cpython-lru_cache-weakref: Lib/test/test

annotate Lib/test/test_float.py @ 64166:d0e9febfa00a 3.1

Merged revisions 84172 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r84172 | martin.v.loewis | 2010-08-18 18:12:23 +0200 (Mi, 18 Aug 2010) | 2 lines Restore GIL in nis_cat in case of error. ........

author	Martin v. Löwis <martin@v.loewis.de>
date	Thu, 19 Aug 2010 09:03:03 +0000
parents	be32f611183b
children	06e21500119a

rev	line source
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	1
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	2 import unittest, struct
44260 682d9788a038 Issue #1580: New free format floating point representation based on "Floating-Point Printer Sample Code", by Robert G. Burger. For example repr(11./5) now returns '2.2' instead of '2.2000000000000002'. Christian Heimes <christian@cheimes.de> parents: 43947 diff changeset	3 import os
53187 b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	4 import sys
47201 9c930a32cebb #2621 rename test.test_support to test.support Benjamin Peterson <benjamin@python.org> parents: 46664 diff changeset	5 from test import support
46477 b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45023 diff changeset	6 import math
48497 2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	7 from math import isinf, isnan, copysign, ldexp
46477 b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45023 diff changeset	8 import operator
49055 ca1a8ac47d04 I modified the tests a bit to account for unicode string Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48817 diff changeset	9 import random, fractions
58280 be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	10 import re
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	11
46477 b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45023 diff changeset	12 INF = float("inf")
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45023 diff changeset	13 NAN = float("nan")
44349 4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	14
53187 b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	15 #locate file with float format test values
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	16 test_dir = os.path.dirname(__file__) or os.curdir
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	17 format_testfile = os.path.join(test_dir, 'formatfloat_testcases.txt')
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	18
58280 be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	19 finite_decimal_parser = re.compile(r""" # A numeric string consists of:
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	20 (?P<sign>[-+])? # an optional sign, followed by
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	21 (?=\d\|\.\d) # a number with at least one digit
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	22 (?P<int>\d*) # having a (possibly empty) integer part
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	23 (?:\.(?P<frac>\d*))? # followed by an optional fractional part
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	24 (?:E(?P<exp>[-+]?\d+))? # and an optional exponent
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	25 \Z
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	26 """, re.VERBOSE \| re.IGNORECASE \| re.UNICODE).match
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	27
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	28 # Pure Python version of correctly rounded string->float conversion.
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	29 # Avoids any use of floating-point by returning the result as a hex string.
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	30 def strtod(s, mant_dig=53, min_exp = -1021, max_exp = 1024):
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	31 """Convert a finite decimal string to a hex string representing an
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	32 IEEE 754 binary64 float. Return 'inf' or '-inf' on overflow.
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	33 This function makes no use of floating-point arithmetic at any
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	34 stage."""
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	35
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	36 # parse string into a pair of integers 'a' and 'b' such that
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	37 # abs(decimal value) = a/b, and a boolean 'negative'.
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	38 m = finite_decimal_parser(s)
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	39 if m is None:
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	40 raise ValueError('invalid numeric string')
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	41 fraction = m.group('frac') or ''
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	42 intpart = int(m.group('int') + fraction)
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	43 exp = int(m.group('exp') or '0') - len(fraction)
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	44 negative = m.group('sign') == '-'
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	45 a, b = intpart10max(exp, 0), 10*max(0, -exp)
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	46
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	47 # quick return for zeros
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	48 if not a:
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	49 return '-0x0.0p+0' if negative else '0x0.0p+0'
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	50
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	51 # compute exponent e for result; may be one too small in the case
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	52 # that the rounded value of a/b lies in a different binade from a/b
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	53 d = a.bit_length() - b.bit_length()
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	54 d += (a >> d if d >= 0 else a << -d) >= b
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	55 e = max(d, min_exp) - mant_dig
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	56
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	57 # approximate a/b by number of the form q * 2**e; adjust e if necessary
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	58 a, b = a << max(-e, 0), b << max(e, 0)
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	59 q, r = divmod(a, b)
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	60 if 2r > b or 2r == b and q & 1:
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	61 q += 1
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	62 if q.bit_length() == mant_dig+1:
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	63 q //= 2
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	64 e += 1
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	65
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	66 # double check that (q, e) has the right form
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	67 assert q.bit_length() <= mant_dig and e >= min_exp - mant_dig
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	68 assert q.bit_length() == mant_dig or e == min_exp - mant_dig
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	69
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	70 # check for overflow and underflow
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	71 if e + q.bit_length() > max_exp:
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	72 return '-inf' if negative else 'inf'
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	73 if not q:
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	74 return '-0x0.0p+0' if negative else '0x0.0p+0'
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	75
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	76 # for hex representation, shift so # bits after point is a multiple of 4
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	77 hexdigs = 1 + (mant_dig-2)//4
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	78 shift = 3 - (mant_dig-2)%4
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	79 q, e = q << shift, e - shift
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	80 return '{}0x{:x}.{:0{}x}p{:+d}'.format(
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	81 '-' if negative else '',
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	82 q // 16**hexdigs,
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	83 q % 16**hexdigs,
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	84 hexdigs,
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	85 e + 4*hexdigs)
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	86
46664 031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	87 class GeneralFloatCases(unittest.TestCase):
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	88
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	89 def test_float(self):
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	90 self.assertEqual(float(3.14), 3.14)
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	91 self.assertEqual(float(314), 314.0)
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	92 self.assertEqual(float(" 3.14 "), 3.14)
49055 ca1a8ac47d04 I modified the tests a bit to account for unicode string Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48817 diff changeset	93 self.assertEqual(float(b" 3.14 "), 3.14)
46664 031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	94 self.assertRaises(ValueError, float, " 0x3.1 ")
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	95 self.assertRaises(ValueError, float, " -0x3.p-1 ")
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	96 self.assertRaises(ValueError, float, " +0x3.p-1 ")
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	97 self.assertRaises(ValueError, float, "++3.14")
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	98 self.assertRaises(ValueError, float, "+-3.14")
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	99 self.assertRaises(ValueError, float, "-+3.14")
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	100 self.assertRaises(ValueError, float, "--3.14")
53187 b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	101 self.assertRaises(ValueError, float, ".nan")
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	102 self.assertRaises(ValueError, float, "+.inf")
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	103 self.assertRaises(ValueError, float, ".")
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	104 self.assertRaises(ValueError, float, "-.")
49055 ca1a8ac47d04 I modified the tests a bit to account for unicode string Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48817 diff changeset	105 self.assertEqual(float(b" \u0663.\u0661\u0664 ".decode('raw-unicode-escape')), 3.14)
56916 690c565c15a9 Merged revisions 75885 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 55593 diff changeset	106 # extra long strings should not be a problem
690c565c15a9 Merged revisions 75885 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 55593 diff changeset	107 float(b'.' + b'1'*1000)
690c565c15a9 Merged revisions 75885 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 55593 diff changeset	108 float('.' + '1'*1000)
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47201 9c930a32cebb #2621 rename test.test_support to test.support Benjamin Peterson <benjamin@python.org> parents: 46664 diff changeset	110 @support.run_with_locale('LC_NUMERIC', 'fr_FR', 'de_DE')
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49062 13955bcd08be Merged revisions 66277 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49055 diff changeset	135 self.assertEqual(support.fcmp(float(" .25e-1 "), .025), 0)
46664 031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	136
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53161 df2638b9bee2 Merged revisions 71628 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49721 diff changeset	162 # Issue 5759: __float__ not called on str subclasses (though it is on
df2638b9bee2 Merged revisions 71628 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49721 diff changeset	163 # unicode subclasses).
df2638b9bee2 Merged revisions 71628 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49721 diff changeset	164 class FooStr(str):
df2638b9bee2 Merged revisions 71628 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49721 diff changeset	165 def __float__(self):
df2638b9bee2 Merged revisions 71628 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49721 diff changeset	166 return float(str(self)) + 1
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53161 df2638b9bee2 Merged revisions 71628 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49721 diff changeset	173 self.assertAlmostEqual(float(FooStr('8')), 9.)
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031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	177 (0.875, (7, 8)),
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	178 (-0.875, (-7, 8)),
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	179 (0.0, (0, 1)),
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	180 (11.5, (23, 2)),
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	181 ]:
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	182 self.assertEqual(f.as_integer_ratio(), ratio)
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	183
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	184 for i in range(10000):
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	185 f = random.random()
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	186 f = 10 * random.randint(-100, 100)
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	187 n, d = f.as_integer_ratio()
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	188 self.assertEqual(float(n).__truediv__(d), f)
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	189
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	190 R = fractions.Fraction
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	191 self.assertEqual(R(0, 1),
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	192 R(*float(0.0).as_integer_ratio()))
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	193 self.assertEqual(R(5, 2),
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	194 R(*float(2.5).as_integer_ratio()))
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	195 self.assertEqual(R(1, 2),
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	196 R(*float(0.5).as_integer_ratio()))
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	197 self.assertEqual(R(4728779608739021, 2251799813685248),
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	198 R(*float(2.1).as_integer_ratio()))
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	199 self.assertEqual(R(-4728779608739021, 2251799813685248),
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	200 R(*float(-2.1).as_integer_ratio()))
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	201 self.assertEqual(R(-2100, 1),
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	202 R(*float(-2100.0).as_integer_ratio()))
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	203
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	204 self.assertRaises(OverflowError, float('inf').as_integer_ratio)
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	205 self.assertRaises(OverflowError, float('-inf').as_integer_ratio)
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	206 self.assertRaises(ValueError, float('nan').as_integer_ratio)
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 46477 diff changeset	207
49721 98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to Mark Dickinson <dickinsm@gmail.com> parents: 49062 diff changeset	208 def test_float_containment(self):
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to Mark Dickinson <dickinsm@gmail.com> parents: 49062 diff changeset	209 floats = (INF, -INF, 0.0, 1.0, NAN)
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to Mark Dickinson <dickinsm@gmail.com> parents: 49062 diff changeset	210 for f in floats:
55593 0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	211 self.assertTrue(f in [f], "'%r' not in []" % f)
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	212 self.assertTrue(f in (f,), "'%r' not in ()" % f)
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	213 self.assertTrue(f in {f}, "'%r' not in set()" % f)
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	214 self.assertTrue(f in {f: None}, "'%r' not in {}" % f)
49721 98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to Mark Dickinson <dickinsm@gmail.com> parents: 49062 diff changeset	215 self.assertEqual([f].count(f), 1, "[].count('%r') != 1" % f)
55593 0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	216 self.assertTrue(f in floats, "'%r' not in container" % f)
49721 98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to Mark Dickinson <dickinsm@gmail.com> parents: 49062 diff changeset	217
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to Mark Dickinson <dickinsm@gmail.com> parents: 49062 diff changeset	218 for f in floats:
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to Mark Dickinson <dickinsm@gmail.com> parents: 49062 diff changeset	219 # nonidentical containers, same type, same contents
55593 0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	220 self.assertTrue([f] == [f], "[%r] != [%r]" % (f, f))
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	221 self.assertTrue((f,) == (f,), "(%r,) != (%r,)" % (f, f))
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	222 self.assertTrue({f} == {f}, "{%r} != {%r}" % (f, f))
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	223 self.assertTrue({f : None} == {f: None}, "{%r : None} != "
49721 98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to Mark Dickinson <dickinsm@gmail.com> parents: 49062 diff changeset	224 "{%r : None}" % (f, f))
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to Mark Dickinson <dickinsm@gmail.com> parents: 49062 diff changeset	225
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to Mark Dickinson <dickinsm@gmail.com> parents: 49062 diff changeset	226 # identical containers
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to Mark Dickinson <dickinsm@gmail.com> parents: 49062 diff changeset	227 l, t, s, d = [f], (f,), {f}, {f: None}
55593 0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	228 self.assertTrue(l == l, "[%r] not equal to itself" % f)
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	229 self.assertTrue(t == t, "(%r,) not equal to itself" % f)
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	230 self.assertTrue(s == s, "{%r} not equal to itself" % f)
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	231 self.assertTrue(d == d, "{%r : None} not equal to itself" % f)
49721 98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to Mark Dickinson <dickinsm@gmail.com> parents: 49062 diff changeset	232
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to Mark Dickinson <dickinsm@gmail.com> parents: 49062 diff changeset	233
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to Mark Dickinson <dickinsm@gmail.com> parents: 49062 diff changeset	234
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	235 class FormatFunctionsTestCase(unittest.TestCase):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	236
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	237 def setUp(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	238 self.save_formats = {'double':float.__getformat__('double'),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	239 'float':float.__getformat__('float')}
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	240
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	241 def tearDown(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	242 float.__setformat__('double', self.save_formats['double'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	243 float.__setformat__('float', self.save_formats['float'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	244
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	245 def test_getformat(self):
55593 0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	246 self.assertTrue(float.__getformat__('double') in
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	247 ['unknown', 'IEEE, big-endian', 'IEEE, little-endian'])
55593 0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	248 self.assertTrue(float.__getformat__('float') in
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	249 ['unknown', 'IEEE, big-endian', 'IEEE, little-endian'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	250 self.assertRaises(ValueError, float.__getformat__, 'chicken')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	251 self.assertRaises(TypeError, float.__getformat__, 1)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	252
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	253 def test_setformat(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	254 for t in 'double', 'float':
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	255 float.__setformat__(t, 'unknown')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	256 if self.save_formats[t] == 'IEEE, big-endian':
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	257 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	258 t, 'IEEE, little-endian')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	259 elif self.save_formats[t] == 'IEEE, little-endian':
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	260 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	261 t, 'IEEE, big-endian')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	262 else:
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	263 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	264 t, 'IEEE, big-endian')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	265 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	266 t, 'IEEE, little-endian')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	267 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	268 t, 'chicken')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	269 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	270 'chicken', 'unknown')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	271
41725 d1146d4db549 Make tset_float pass. float(<unicode>) was never very good -- it used Guido van Rossum <guido@python.org> parents: 35014 diff changeset	272 BE_DOUBLE_INF = b'\x7f\xf0\x00\x00\x00\x00\x00\x00'
43947 cbc8b3bd3157 Rename buffer -> bytearray. Guido van Rossum <guido@python.org> parents: 43777 diff changeset	273 LE_DOUBLE_INF = bytes(reversed(BE_DOUBLE_INF))
41725 d1146d4db549 Make tset_float pass. float(<unicode>) was never very good -- it used Guido van Rossum <guido@python.org> parents: 35014 diff changeset	274 BE_DOUBLE_NAN = b'\x7f\xf8\x00\x00\x00\x00\x00\x00'
43947 cbc8b3bd3157 Rename buffer -> bytearray. Guido van Rossum <guido@python.org> parents: 43777 diff changeset	275 LE_DOUBLE_NAN = bytes(reversed(BE_DOUBLE_NAN))
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	276
41725 d1146d4db549 Make tset_float pass. float(<unicode>) was never very good -- it used Guido van Rossum <guido@python.org> parents: 35014 diff changeset	277 BE_FLOAT_INF = b'\x7f\x80\x00\x00'
43947 cbc8b3bd3157 Rename buffer -> bytearray. Guido van Rossum <guido@python.org> parents: 43777 diff changeset	278 LE_FLOAT_INF = bytes(reversed(BE_FLOAT_INF))
41725 d1146d4db549 Make tset_float pass. float(<unicode>) was never very good -- it used Guido van Rossum <guido@python.org> parents: 35014 diff changeset	279 BE_FLOAT_NAN = b'\x7f\xc0\x00\x00'
43947 cbc8b3bd3157 Rename buffer -> bytearray. Guido van Rossum <guido@python.org> parents: 43777 diff changeset	280 LE_FLOAT_NAN = bytes(reversed(BE_FLOAT_NAN))
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	281
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	282 # on non-IEEE platforms, attempting to unpack a bit pattern
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	283 # representing an infinity or a NaN should raise an exception.
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	284
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	285 class UnknownFormatTestCase(unittest.TestCase):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	286 def setUp(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	287 self.save_formats = {'double':float.__getformat__('double'),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	288 'float':float.__getformat__('float')}
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	289 float.__setformat__('double', 'unknown')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	290 float.__setformat__('float', 'unknown')
35014 275843630522 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 34972 diff changeset	291
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	292 def tearDown(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	293 float.__setformat__('double', self.save_formats['double'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	294 float.__setformat__('float', self.save_formats['float'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	295
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	296 def test_double_specials_dont_unpack(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	297 for fmt, data in [('>d', BE_DOUBLE_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	298 ('>d', BE_DOUBLE_NAN),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	299 ('<d', LE_DOUBLE_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	300 ('<d', LE_DOUBLE_NAN)]:
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	301 self.assertRaises(ValueError, struct.unpack, fmt, data)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	302
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	303 def test_float_specials_dont_unpack(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	304 for fmt, data in [('>f', BE_FLOAT_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	305 ('>f', BE_FLOAT_NAN),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	306 ('<f', LE_FLOAT_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	307 ('<f', LE_FLOAT_NAN)]:
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	308 self.assertRaises(ValueError, struct.unpack, fmt, data)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	309
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	310
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	311 # on an IEEE platform, all we guarantee is that bit patterns
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	312 # representing infinities or NaNs do not raise an exception; all else
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	313 # is accident (today).
42775 d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	314 # let's also try to guarantee that -0.0 and 0.0 don't get confused.
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	315
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	316 class IEEEFormatTestCase(unittest.TestCase):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	317 if float.__getformat__("double").startswith("IEEE"):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	318 def test_double_specials_do_unpack(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	319 for fmt, data in [('>d', BE_DOUBLE_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	320 ('>d', BE_DOUBLE_NAN),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	321 ('<d', LE_DOUBLE_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	322 ('<d', LE_DOUBLE_NAN)]:
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	323 struct.unpack(fmt, data)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	324
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	325 if float.__getformat__("float").startswith("IEEE"):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	326 def test_float_specials_do_unpack(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	327 for fmt, data in [('>f', BE_FLOAT_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	328 ('>f', BE_FLOAT_NAN),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	329 ('<f', LE_FLOAT_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	330 ('<f', LE_FLOAT_NAN)]:
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	331 struct.unpack(fmt, data)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	332
42775 d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	333 if float.__getformat__("double").startswith("IEEE"):
d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	334 def test_negative_zero(self):
d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	335 import math
d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	336 def pos_pos():
d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	337 return 0.0, math.atan2(0.0, -1)
d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	338 def pos_neg():
d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	339 return 0.0, math.atan2(-0.0, -1)
d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	340 def neg_pos():
d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	341 return -0.0, math.atan2(0.0, -1)
d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	342 def neg_neg():
d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	343 return -0.0, math.atan2(-0.0, -1)
d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	344 self.assertEquals(pos_pos(), neg_pos())
d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	345 self.assertEquals(pos_neg(), neg_neg())
d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 41725 diff changeset	346
42817 5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	347 class FormatTestCase(unittest.TestCase):
43111 7b0237cbd0ed Fixed test name. Eric Smith <eric@trueblade.com> parents: 42817 diff changeset	348 def test_format(self):
42817 5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	349 # these should be rewritten to use both format(x, spec) and
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	350 # x.__format__(spec)
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	351
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	352 self.assertEqual(format(0.0, 'f'), '0.000000')
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	353
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	354 # the default is 'g', except for empty format spec
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	355 self.assertEqual(format(0.0, ''), '0.0')
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	356 self.assertEqual(format(0.01, ''), '0.01')
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	357 self.assertEqual(format(0.01, 'g'), '0.01')
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	358
53787 c6376d3fa968 Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson. Eric Smith <eric@trueblade.com> parents: 53603 diff changeset	359 # empty presentation type should format in the same way as str
c6376d3fa968 Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson. Eric Smith <eric@trueblade.com> parents: 53603 diff changeset	360 # (issue 5920)
c6376d3fa968 Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson. Eric Smith <eric@trueblade.com> parents: 53603 diff changeset	361 x = 100/7.
c6376d3fa968 Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson. Eric Smith <eric@trueblade.com> parents: 53603 diff changeset	362 self.assertEqual(format(x, ''), str(x))
c6376d3fa968 Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson. Eric Smith <eric@trueblade.com> parents: 53603 diff changeset	363 self.assertEqual(format(x, '-'), str(x))
c6376d3fa968 Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson. Eric Smith <eric@trueblade.com> parents: 53603 diff changeset	364 self.assertEqual(format(x, '>'), str(x))
c6376d3fa968 Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson. Eric Smith <eric@trueblade.com> parents: 53603 diff changeset	365 self.assertEqual(format(x, '2'), str(x))
42817 5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	366
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	367 self.assertEqual(format(1.0, 'f'), '1.000000')
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	368
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	369 self.assertEqual(format(-1.0, 'f'), '-1.000000')
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	370
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	371 self.assertEqual(format( 1.0, ' f'), ' 1.000000')
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	372 self.assertEqual(format(-1.0, ' f'), '-1.000000')
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	373 self.assertEqual(format( 1.0, '+f'), '+1.000000')
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	374 self.assertEqual(format(-1.0, '+f'), '-1.000000')
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	375
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	376 # % formatting
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	377 self.assertEqual(format(-1.0, '%'), '-100.000000%')
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	378
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	379 # conversion to string should fail
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	380 self.assertRaises(ValueError, format, 3.0, "s")
5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	381
45023 727cc810d690 Restrict format presentation types to those specified in the 'Standard Format Specifiers' section of PEP 3101. Eric Smith <eric@trueblade.com> parents: 44349 diff changeset	382 # other format specifiers shouldn't work on floats,
727cc810d690 Restrict format presentation types to those specified in the 'Standard Format Specifiers' section of PEP 3101. Eric Smith <eric@trueblade.com> parents: 44349 diff changeset	383 # in particular int specifiers
727cc810d690 Restrict format presentation types to those specified in the 'Standard Format Specifiers' section of PEP 3101. Eric Smith <eric@trueblade.com> parents: 44349 diff changeset	384 for format_spec in ([chr(x) for x in range(ord('a'), ord('z')+1)] +
727cc810d690 Restrict format presentation types to those specified in the 'Standard Format Specifiers' section of PEP 3101. Eric Smith <eric@trueblade.com> parents: 44349 diff changeset	385 [chr(x) for x in range(ord('A'), ord('Z')+1)]):
727cc810d690 Restrict format presentation types to those specified in the 'Standard Format Specifiers' section of PEP 3101. Eric Smith <eric@trueblade.com> parents: 44349 diff changeset	386 if not format_spec in 'eEfFgGn%':
727cc810d690 Restrict format presentation types to those specified in the 'Standard Format Specifiers' section of PEP 3101. Eric Smith <eric@trueblade.com> parents: 44349 diff changeset	387 self.assertRaises(ValueError, format, 0.0, format_spec)
727cc810d690 Restrict format presentation types to those specified in the 'Standard Format Specifiers' section of PEP 3101. Eric Smith <eric@trueblade.com> parents: 44349 diff changeset	388 self.assertRaises(ValueError, format, 1.0, format_spec)
727cc810d690 Restrict format presentation types to those specified in the 'Standard Format Specifiers' section of PEP 3101. Eric Smith <eric@trueblade.com> parents: 44349 diff changeset	389 self.assertRaises(ValueError, format, -1.0, format_spec)
727cc810d690 Restrict format presentation types to those specified in the 'Standard Format Specifiers' section of PEP 3101. Eric Smith <eric@trueblade.com> parents: 44349 diff changeset	390 self.assertRaises(ValueError, format, 1e100, format_spec)
727cc810d690 Restrict format presentation types to those specified in the 'Standard Format Specifiers' section of PEP 3101. Eric Smith <eric@trueblade.com> parents: 44349 diff changeset	391 self.assertRaises(ValueError, format, -1e100, format_spec)
727cc810d690 Restrict format presentation types to those specified in the 'Standard Format Specifiers' section of PEP 3101. Eric Smith <eric@trueblade.com> parents: 44349 diff changeset	392 self.assertRaises(ValueError, format, 1e-100, format_spec)
727cc810d690 Restrict format presentation types to those specified in the 'Standard Format Specifiers' section of PEP 3101. Eric Smith <eric@trueblade.com> parents: 44349 diff changeset	393 self.assertRaises(ValueError, format, -1e-100, format_spec)
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	394
53849 04bdc944718a Issue #3382. float 'F' formatting no longer maps to 'f'. This only affects nan and inf. Eric Smith <eric@trueblade.com> parents: 53787 diff changeset	395 # issue 3382
04bdc944718a Issue #3382. float 'F' formatting no longer maps to 'f'. This only affects nan and inf. Eric Smith <eric@trueblade.com> parents: 53787 diff changeset	396 self.assertEqual(format(NAN, 'f'), 'nan')
04bdc944718a Issue #3382. float 'F' formatting no longer maps to 'f'. This only affects nan and inf. Eric Smith <eric@trueblade.com> parents: 53787 diff changeset	397 self.assertEqual(format(NAN, 'F'), 'NAN')
04bdc944718a Issue #3382. float 'F' formatting no longer maps to 'f'. This only affects nan and inf. Eric Smith <eric@trueblade.com> parents: 53787 diff changeset	398 self.assertEqual(format(INF, 'f'), 'inf')
04bdc944718a Issue #3382. float 'F' formatting no longer maps to 'f'. This only affects nan and inf. Eric Smith <eric@trueblade.com> parents: 53787 diff changeset	399 self.assertEqual(format(INF, 'F'), 'INF')
04bdc944718a Issue #3382. float 'F' formatting no longer maps to 'f'. This only affects nan and inf. Eric Smith <eric@trueblade.com> parents: 53787 diff changeset	400
53187 b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	401 @unittest.skipUnless(float.__getformat__("double").startswith("IEEE"),
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	402 "test requires IEEE 754 doubles")
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	403 def test_format_testfile(self):
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	404 for line in open(format_testfile):
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	405 if line.startswith('--'):
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	406 continue
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	407 line = line.strip()
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	408 if not line:
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	409 continue
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	410
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	411 lhs, rhs = map(str.strip, line.split('->'))
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	412 fmt, arg = lhs.split()
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	413 self.assertEqual(fmt % float(arg), rhs)
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	414 self.assertEqual(fmt % -float(arg), '-' + rhs)
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	415
53603 3759839b9fa5 Issue #5864: Fix problem with empty code formatting for floats, Mark Dickinson <dickinsm@gmail.com> parents: 53218 diff changeset	416 def test_issue5864(self):
3759839b9fa5 Issue #5864: Fix problem with empty code formatting for floats, Mark Dickinson <dickinsm@gmail.com> parents: 53218 diff changeset	417 self.assertEquals(format(123.456, '.4'), '123.5')
3759839b9fa5 Issue #5864: Fix problem with empty code formatting for floats, Mark Dickinson <dickinsm@gmail.com> parents: 53218 diff changeset	418 self.assertEquals(format(1234.56, '.4'), '1.235e+03')
3759839b9fa5 Issue #5864: Fix problem with empty code formatting for floats, Mark Dickinson <dickinsm@gmail.com> parents: 53218 diff changeset	419 self.assertEquals(format(12345.6, '.4'), '1.235e+04')
3759839b9fa5 Issue #5864: Fix problem with empty code formatting for floats, Mark Dickinson <dickinsm@gmail.com> parents: 53218 diff changeset	420
53209 8d8f2f98a752 Sort out some confusion in test_float.py: the two Mark Dickinson <dickinsm@gmail.com> parents: 53187 diff changeset	421 class ReprTestCase(unittest.TestCase):
8d8f2f98a752 Sort out some confusion in test_float.py: the two Mark Dickinson <dickinsm@gmail.com> parents: 53187 diff changeset	422 def test_repr(self):
8d8f2f98a752 Sort out some confusion in test_float.py: the two Mark Dickinson <dickinsm@gmail.com> parents: 53187 diff changeset	423 floats_file = open(os.path.join(os.path.split(__file__)[0],
8d8f2f98a752 Sort out some confusion in test_float.py: the two Mark Dickinson <dickinsm@gmail.com> parents: 53187 diff changeset	424 'floating_points.txt'))
8d8f2f98a752 Sort out some confusion in test_float.py: the two Mark Dickinson <dickinsm@gmail.com> parents: 53187 diff changeset	425 for line in floats_file:
8d8f2f98a752 Sort out some confusion in test_float.py: the two Mark Dickinson <dickinsm@gmail.com> parents: 53187 diff changeset	426 line = line.strip()
8d8f2f98a752 Sort out some confusion in test_float.py: the two Mark Dickinson <dickinsm@gmail.com> parents: 53187 diff changeset	427 if not line or line.startswith('#'):
8d8f2f98a752 Sort out some confusion in test_float.py: the two Mark Dickinson <dickinsm@gmail.com> parents: 53187 diff changeset	428 continue
8d8f2f98a752 Sort out some confusion in test_float.py: the two Mark Dickinson <dickinsm@gmail.com> parents: 53187 diff changeset	429 v = eval(line)
8d8f2f98a752 Sort out some confusion in test_float.py: the two Mark Dickinson <dickinsm@gmail.com> parents: 53187 diff changeset	430 self.assertEqual(v, eval(repr(v)))
8d8f2f98a752 Sort out some confusion in test_float.py: the two Mark Dickinson <dickinsm@gmail.com> parents: 53187 diff changeset	431 floats_file.close()
8d8f2f98a752 Sort out some confusion in test_float.py: the two Mark Dickinson <dickinsm@gmail.com> parents: 53187 diff changeset	432
53187 b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	433 @unittest.skipUnless(getattr(sys, 'float_repr_style', '') == 'short',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	434 "applies only when using short float repr style")
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	435 def test_short_repr(self):
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	436 # test short float repr introduced in Python 3.1. One aspect
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	437 # of this repr is that we get some degree of str -> float ->
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	438 # str roundtripping. In particular, for any numeric string
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	439 # containing 15 or fewer significant digits, those exact same
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	440 # digits (modulo trailing zeros) should appear in the output.
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	441 # No more repr(0.03) -> "0.029999999999999999"!
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	442
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	443 test_strings = [
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	444 # output always includes either a decimal point and at
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	445 # least one digit after that point, or an exponent.
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	446 '0.0',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	447 '1.0',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	448 '0.01',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	449 '0.02',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	450 '0.03',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	451 '0.04',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	452 '0.05',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	453 '1.23456789',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	454 '10.0',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	455 '100.0',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	456 # values >= 1e16 get an exponent...
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	457 '1000000000000000.0',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	458 '9999999999999990.0',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	459 '1e+16',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	460 '1e+17',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	461 # ... and so do values < 1e-4
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	462 '0.001',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	463 '0.001001',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	464 '0.00010000000000001',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	465 '0.0001',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	466 '9.999999999999e-05',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	467 '1e-05',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	468 # values designed to provoke failure if the FPU rounding
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	469 # precision isn't set correctly
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	470 '8.72293771110361e+25',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	471 '7.47005307342313e+26',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	472 '2.86438000439698e+28',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	473 '8.89142905246179e+28',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	474 '3.08578087079232e+35',
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	475 ]
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	476
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	477 for s in test_strings:
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	478 negs = '-'+s
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	479 self.assertEqual(s, repr(float(s)))
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	480 self.assertEqual(negs, repr(float(negs)))
b653eab13b73 The other half of Issue #1580: use short float repr where possible. Eric Smith <eric@trueblade.com> parents: 53161 diff changeset	481
53218 d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	482 class RoundTestCase(unittest.TestCase):
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	483 @unittest.skipUnless(float.__getformat__("double").startswith("IEEE"),
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	484 "test requires IEEE 754 doubles")
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	485 def test_inf_nan(self):
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	486 self.assertRaises(OverflowError, round, INF)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	487 self.assertRaises(OverflowError, round, -INF)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	488 self.assertRaises(ValueError, round, NAN)
57425 b7fbef077eae Merged revisions 76485 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 56922 diff changeset	489 self.assertRaises(TypeError, round, INF, 0.0)
b7fbef077eae Merged revisions 76485 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 56922 diff changeset	490 self.assertRaises(TypeError, round, -INF, 1.0)
b7fbef077eae Merged revisions 76485 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 56922 diff changeset	491 self.assertRaises(TypeError, round, NAN, "ceci n'est pas un integer")
b7fbef077eae Merged revisions 76485 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 56922 diff changeset	492 self.assertRaises(TypeError, round, -0.0, 1j)
53218 d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	493
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	494 @unittest.skipUnless(float.__getformat__("double").startswith("IEEE"),
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	495 "test requires IEEE 754 doubles")
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	496 def test_large_n(self):
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	497 for n in [324, 325, 400, 231-1, 231, 232, 2100]:
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	498 self.assertEqual(round(123.456, n), 123.456)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	499 self.assertEqual(round(-123.456, n), -123.456)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	500 self.assertEqual(round(1e300, n), 1e300)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	501 self.assertEqual(round(1e-320, n), 1e-320)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	502 self.assertEqual(round(1e150, 300), 1e150)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	503 self.assertEqual(round(1e300, 307), 1e300)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	504 self.assertEqual(round(-3.1415, 308), -3.1415)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	505 self.assertEqual(round(1e150, 309), 1e150)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	506 self.assertEqual(round(1.4e-315, 315), 1e-315)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	507
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	508 @unittest.skipUnless(float.__getformat__("double").startswith("IEEE"),
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	509 "test requires IEEE 754 doubles")
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	510 def test_small_n(self):
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	511 for n in [-308, -309, -400, 1-231, -231, -231-1, -2100]:
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	512 self.assertEqual(round(123.456, n), 0.0)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	513 self.assertEqual(round(-123.456, n), -0.0)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	514 self.assertEqual(round(1e300, n), 0.0)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	515 self.assertEqual(round(1e-320, n), 0.0)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	516
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	517 @unittest.skipUnless(float.__getformat__("double").startswith("IEEE"),
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	518 "test requires IEEE 754 doubles")
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	519 def test_overflow(self):
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	520 self.assertRaises(OverflowError, round, 1.6e308, -308)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	521 self.assertRaises(OverflowError, round, -1.7e308, -308)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	522
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	523 @unittest.skipUnless(getattr(sys, 'float_repr_style', '') == 'short',
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	524 "applies only when using short float repr style")
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	525 def test_previous_round_bugs(self):
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	526 # particular cases that have occurred in bug reports
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	527 self.assertEqual(round(562949953421312.5, 1),
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	528 562949953421312.5)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	529 self.assertEqual(round(56294995342131.5, 3),
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	530 56294995342131.5)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	531 # round-half-even
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	532 self.assertEqual(round(25.0, -1), 20.0)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	533 self.assertEqual(round(35.0, -1), 40.0)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	534 self.assertEqual(round(45.0, -1), 40.0)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	535 self.assertEqual(round(55.0, -1), 60.0)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	536 self.assertEqual(round(65.0, -1), 60.0)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	537 self.assertEqual(round(75.0, -1), 80.0)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	538 self.assertEqual(round(85.0, -1), 80.0)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	539 self.assertEqual(round(95.0, -1), 100.0)
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	540
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	541 @unittest.skipUnless(getattr(sys, 'float_repr_style', '') == 'short',
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	542 "applies only when using short float repr style")
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	543 def test_matches_float_format(self):
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	544 # round should give the same results as float formatting
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	545 for i in range(500):
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	546 x = i/1000.
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	547 self.assertEqual(float(format(x, '.0f')), round(x, 0))
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	548 self.assertEqual(float(format(x, '.1f')), round(x, 1))
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	549 self.assertEqual(float(format(x, '.2f')), round(x, 2))
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	550 self.assertEqual(float(format(x, '.3f')), round(x, 3))
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	551
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	552 for i in range(5, 5000, 10):
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	553 x = i/1000.
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	554 self.assertEqual(float(format(x, '.0f')), round(x, 0))
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	555 self.assertEqual(float(format(x, '.1f')), round(x, 1))
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	556 self.assertEqual(float(format(x, '.2f')), round(x, 2))
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	557 self.assertEqual(float(format(x, '.3f')), round(x, 3))
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	558
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	559 for i in range(500):
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	560 x = random.random()
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	561 self.assertEqual(float(format(x, '.0f')), round(x, 0))
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	562 self.assertEqual(float(format(x, '.1f')), round(x, 1))
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	563 self.assertEqual(float(format(x, '.2f')), round(x, 2))
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	564 self.assertEqual(float(format(x, '.3f')), round(x, 3))
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	565
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	566
d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	567
44349 4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	568 # Beginning with Python 2.6 float has cross platform compatible
48499 de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48498 diff changeset	569 # ways to create and represent inf and nan
44349 4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	570 class InfNanTest(unittest.TestCase):
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	571 def test_inf_from_str(self):
55593 0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	572 self.assertTrue(isinf(float("inf")))
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	573 self.assertTrue(isinf(float("+inf")))
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	574 self.assertTrue(isinf(float("-inf")))
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	575 self.assertTrue(isinf(float("infinity")))
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	576 self.assertTrue(isinf(float("+infinity")))
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	577 self.assertTrue(isinf(float("-infinity")))
44349 4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	578
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	579 self.assertEqual(repr(float("inf")), "inf")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	580 self.assertEqual(repr(float("+inf")), "inf")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	581 self.assertEqual(repr(float("-inf")), "-inf")
48499 de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48498 diff changeset	582 self.assertEqual(repr(float("infinity")), "inf")
de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48498 diff changeset	583 self.assertEqual(repr(float("+infinity")), "inf")
de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48498 diff changeset	584 self.assertEqual(repr(float("-infinity")), "-inf")
44349 4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	585
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	586 self.assertEqual(repr(float("INF")), "inf")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	587 self.assertEqual(repr(float("+Inf")), "inf")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	588 self.assertEqual(repr(float("-iNF")), "-inf")
48499 de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48498 diff changeset	589 self.assertEqual(repr(float("Infinity")), "inf")
de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48498 diff changeset	590 self.assertEqual(repr(float("+iNfInItY")), "inf")
de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48498 diff changeset	591 self.assertEqual(repr(float("-INFINITY")), "-inf")
44349 4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	592
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	593 self.assertEqual(str(float("inf")), "inf")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	594 self.assertEqual(str(float("+inf")), "inf")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	595 self.assertEqual(str(float("-inf")), "-inf")
48499 de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48498 diff changeset	596 self.assertEqual(str(float("infinity")), "inf")
de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48498 diff changeset	597 self.assertEqual(str(float("+infinity")), "inf")
de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48498 diff changeset	598 self.assertEqual(str(float("-infinity")), "-inf")
44349 4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	599
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	600 self.assertRaises(ValueError, float, "info")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	601 self.assertRaises(ValueError, float, "+info")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	602 self.assertRaises(ValueError, float, "-info")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	603 self.assertRaises(ValueError, float, "in")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	604 self.assertRaises(ValueError, float, "+in")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	605 self.assertRaises(ValueError, float, "-in")
48499 de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48498 diff changeset	606 self.assertRaises(ValueError, float, "infinit")
de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48498 diff changeset	607 self.assertRaises(ValueError, float, "+Infin")
de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48498 diff changeset	608 self.assertRaises(ValueError, float, "-INFI")
de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48498 diff changeset	609 self.assertRaises(ValueError, float, "infinitys")
44349 4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	610
54232 4501b638fc3f Refactor to remove duplicated nan/inf parsing code in Mark Dickinson <dickinsm@gmail.com> parents: 54001 diff changeset	611 self.assertRaises(ValueError, float, "++Inf")
4501b638fc3f Refactor to remove duplicated nan/inf parsing code in Mark Dickinson <dickinsm@gmail.com> parents: 54001 diff changeset	612 self.assertRaises(ValueError, float, "-+inf")
4501b638fc3f Refactor to remove duplicated nan/inf parsing code in Mark Dickinson <dickinsm@gmail.com> parents: 54001 diff changeset	613 self.assertRaises(ValueError, float, "+-infinity")
4501b638fc3f Refactor to remove duplicated nan/inf parsing code in Mark Dickinson <dickinsm@gmail.com> parents: 54001 diff changeset	614 self.assertRaises(ValueError, float, "--Infinity")
4501b638fc3f Refactor to remove duplicated nan/inf parsing code in Mark Dickinson <dickinsm@gmail.com> parents: 54001 diff changeset	615
44349 4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	616 def test_inf_as_str(self):
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	617 self.assertEqual(repr(1e300 * 1e300), "inf")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	618 self.assertEqual(repr(-1e300 * 1e300), "-inf")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	619
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	620 self.assertEqual(str(1e300 * 1e300), "inf")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	621 self.assertEqual(str(-1e300 * 1e300), "-inf")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	622
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	623 def test_nan_from_str(self):
55593 0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	624 self.assertTrue(isnan(float("nan")))
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	625 self.assertTrue(isnan(float("+nan")))
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	626 self.assertTrue(isnan(float("-nan")))
44349 4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	627
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	628 self.assertEqual(repr(float("nan")), "nan")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	629 self.assertEqual(repr(float("+nan")), "nan")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	630 self.assertEqual(repr(float("-nan")), "nan")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	631
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	632 self.assertEqual(repr(float("NAN")), "nan")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	633 self.assertEqual(repr(float("+NAn")), "nan")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	634 self.assertEqual(repr(float("-NaN")), "nan")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	635
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	636 self.assertEqual(str(float("nan")), "nan")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	637 self.assertEqual(str(float("+nan")), "nan")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	638 self.assertEqual(str(float("-nan")), "nan")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	639
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	640 self.assertRaises(ValueError, float, "nana")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	641 self.assertRaises(ValueError, float, "+nana")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	642 self.assertRaises(ValueError, float, "-nana")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	643 self.assertRaises(ValueError, float, "na")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	644 self.assertRaises(ValueError, float, "+na")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	645 self.assertRaises(ValueError, float, "-na")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	646
54232 4501b638fc3f Refactor to remove duplicated nan/inf parsing code in Mark Dickinson <dickinsm@gmail.com> parents: 54001 diff changeset	647 self.assertRaises(ValueError, float, "++nan")
4501b638fc3f Refactor to remove duplicated nan/inf parsing code in Mark Dickinson <dickinsm@gmail.com> parents: 54001 diff changeset	648 self.assertRaises(ValueError, float, "-+NAN")
4501b638fc3f Refactor to remove duplicated nan/inf parsing code in Mark Dickinson <dickinsm@gmail.com> parents: 54001 diff changeset	649 self.assertRaises(ValueError, float, "+-NaN")
4501b638fc3f Refactor to remove duplicated nan/inf parsing code in Mark Dickinson <dickinsm@gmail.com> parents: 54001 diff changeset	650 self.assertRaises(ValueError, float, "--nAn")
4501b638fc3f Refactor to remove duplicated nan/inf parsing code in Mark Dickinson <dickinsm@gmail.com> parents: 54001 diff changeset	651
44349 4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	652 def test_nan_as_str(self):
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	653 self.assertEqual(repr(1e300 * 1e300 * 0), "nan")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	654 self.assertEqual(repr(-1e300 * 1e300 * 0), "nan")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	655
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	656 self.assertEqual(str(1e300 * 1e300 * 0), "nan")
4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	657 self.assertEqual(str(-1e300 * 1e300 * 0), "nan")
44260 682d9788a038 Issue #1580: New free format floating point representation based on "Floating-Point Printer Sample Code", by Robert G. Burger. For example repr(11./5) now returns '2.2' instead of '2.2000000000000002'. Christian Heimes <christian@cheimes.de> parents: 43947 diff changeset	658
46477 b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45023 diff changeset	659 def notest_float_nan(self):
55593 0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	660 self.assertTrue(NAN.is_nan())
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	661 self.assertFalse(INF.is_nan())
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	662 self.assertFalse((0.).is_nan())
46477 b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45023 diff changeset	663
b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45023 diff changeset	664 def notest_float_inf(self):
55593 0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	665 self.assertTrue(INF.is_inf())
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	666 self.assertFalse(NAN.is_inf())
0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 54232 diff changeset	667 self.assertFalse((0.).is_inf())
46477 b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45023 diff changeset	668
48497 2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	669 fromHex = float.fromhex
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	670 toHex = float.hex
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	671 class HexFloatTestCase(unittest.TestCase):
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	672 MAX = fromHex('0x.fffffffffffff8p+1024') # max normal
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	673 MIN = fromHex('0x1p-1022') # min normal
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	674 TINY = fromHex('0x0.0000000000001p-1022') # min subnormal
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	675 EPS = fromHex('0x0.0000000000001p0') # diff between 1.0 and next float up
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	676
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	677 def identical(self, x, y):
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	678 # check that floats x and y are identical, or that both
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	679 # are NaNs
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	680 if isnan(x) or isnan(y):
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	681 if isnan(x) == isnan(y):
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	682 return
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	683 elif x == y and (x != 0.0 or copysign(1.0, x) == copysign(1.0, y)):
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	684 return
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	685 self.fail('%r not identical to %r' % (x, y))
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	686
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	687 def test_ends(self):
48498 177302feab36 Merged revisions 64981 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48497 diff changeset	688 self.identical(self.MIN, ldexp(1.0, -1022))
177302feab36 Merged revisions 64981 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48497 diff changeset	689 self.identical(self.TINY, ldexp(1.0, -1074))
177302feab36 Merged revisions 64981 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48497 diff changeset	690 self.identical(self.EPS, ldexp(1.0, -52))
177302feab36 Merged revisions 64981 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48497 diff changeset	691 self.identical(self.MAX, 2.*(ldexp(1.0, 1023) - ldexp(1.0, 970)))
48497 2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	692
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	693 def test_invalid_inputs(self):
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	694 invalid_inputs = [
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	695 'infi', # misspelt infinities and nans
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	696 '-Infinit',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	697 '++inf',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	698 '-+Inf',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	699 '--nan',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	700 '+-NaN',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	701 'snan',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	702 'NaNs',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	703 'nna',
54001 9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	704 'an',
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	705 'nf',
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	706 'nfinity',
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	707 'inity',
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	708 'iinity',
48497 2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	709 '0xnan',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	710 '',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	711 ' ',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	712 'x1.0p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	713 '0xX1.0p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	714 '+ 0x1.0p0', # internal whitespace
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	715 '- 0x1.0p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	716 '0 x1.0p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	717 '0x 1.0p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	718 '0x1 2.0p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	719 '+0x1 .0p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	720 '0x1. 0p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	721 '-0x1.0 1p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	722 '-0x1.0 p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	723 '+0x1.0p +0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	724 '0x1.0p -0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	725 '0x1.0p 0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	726 '+0x1.0p+ 0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	727 '-0x1.0p- 0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	728 '++0x1.0p-0', # double signs
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	729 '--0x1.0p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	730 '+-0x1.0p+0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	731 '-+0x1.0p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	732 '0x1.0p++0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	733 '+0x1.0p+-0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	734 '-0x1.0p-+0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	735 '0x1.0p--0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	736 '0x1.0.p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	737 '0x.p0', # no hex digits before or after point
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	738 '0x1,p0', # wrong decimal point character
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	739 '0x1pa',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	740 '0x1p\uff10', # fullwidth Unicode digits
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	741 '\uff10x1p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	742 '0x\uff11p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	743 '0x1.\uff10p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	744 '0x1p0 \n 0x2p0',
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	745 '0x1p0\0 0x1p0', # embedded null byte is not end of string
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	746 ]
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	747 for x in invalid_inputs:
48817 a77022dc3f61 Merged revisions 65958 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48499 diff changeset	748 try:
a77022dc3f61 Merged revisions 65958 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48499 diff changeset	749 result = fromHex(x)
a77022dc3f61 Merged revisions 65958 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48499 diff changeset	750 except ValueError:
a77022dc3f61 Merged revisions 65958 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48499 diff changeset	751 pass
a77022dc3f61 Merged revisions 65958 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48499 diff changeset	752 else:
a77022dc3f61 Merged revisions 65958 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48499 diff changeset	753 self.fail('Expected float.fromhex(%r) to raise ValueError; '
a77022dc3f61 Merged revisions 65958 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48499 diff changeset	754 'got %r instead' % (x, result))
48497 2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	755
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	756
54001 9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	757 def test_whitespace(self):
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	758 value_pairs = [
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	759 ('inf', INF),
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	760 ('-Infinity', -INF),
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	761 ('nan', NAN),
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	762 ('1.0', 1.0),
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	763 ('-0x.2', -0.125),
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	764 ('-0.0', -0.0)
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	765 ]
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	766 whitespace = [
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	767 '',
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	768 ' ',
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	769 '\t',
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	770 '\n',
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	771 '\n \t',
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	772 '\f',
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	773 '\v',
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	774 '\r'
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	775 ]
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	776 for inp, expected in value_pairs:
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	777 for lead in whitespace:
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	778 for trail in whitespace:
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	779 got = fromHex(lead + inp + trail)
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	780 self.identical(got, expected)
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	781
9414c2b1923e Merged revisions 72564 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 53849 diff changeset	782
48497 2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	783 def test_from_hex(self):
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	784 MIN = self.MIN;
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	785 MAX = self.MAX;
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	786 TINY = self.TINY;
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	787 EPS = self.EPS;
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	788
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	789 # two spellings of infinity, with optional signs; case-insensitive
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	790 self.identical(fromHex('inf'), INF)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	791 self.identical(fromHex('+Inf'), INF)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	792 self.identical(fromHex('-INF'), -INF)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	793 self.identical(fromHex('iNf'), INF)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	794 self.identical(fromHex('Infinity'), INF)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	795 self.identical(fromHex('+INFINITY'), INF)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	796 self.identical(fromHex('-infinity'), -INF)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	797 self.identical(fromHex('-iNFiNitY'), -INF)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	798
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	799 # nans with optional sign; case insensitive
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	800 self.identical(fromHex('nan'), NAN)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	801 self.identical(fromHex('+NaN'), NAN)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	802 self.identical(fromHex('-NaN'), NAN)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	803 self.identical(fromHex('-nAN'), NAN)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	804
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	805 # variations in input format
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	806 self.identical(fromHex('1'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	807 self.identical(fromHex('+1'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	808 self.identical(fromHex('1.'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	809 self.identical(fromHex('1.0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	810 self.identical(fromHex('1.0p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	811 self.identical(fromHex('01'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	812 self.identical(fromHex('01.'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	813 self.identical(fromHex('0x1'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	814 self.identical(fromHex('0x1.'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	815 self.identical(fromHex('0x1.0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	816 self.identical(fromHex('+0x1.0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	817 self.identical(fromHex('0x1p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	818 self.identical(fromHex('0X1p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	819 self.identical(fromHex('0X1P0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	820 self.identical(fromHex('0x1P0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	821 self.identical(fromHex('0x1.p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	822 self.identical(fromHex('0x1.0p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	823 self.identical(fromHex('0x.1p4'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	824 self.identical(fromHex('0x.1p04'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	825 self.identical(fromHex('0x.1p004'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	826 self.identical(fromHex('0x1p+0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	827 self.identical(fromHex('0x1P-0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	828 self.identical(fromHex('+0x1p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	829 self.identical(fromHex('0x01p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	830 self.identical(fromHex('0x1p00'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	831 self.identical(fromHex(' 0x1p0 '), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	832 self.identical(fromHex('\n 0x1p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	833 self.identical(fromHex('0x1p0 \t'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	834 self.identical(fromHex('0xap0'), 10.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	835 self.identical(fromHex('0xAp0'), 10.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	836 self.identical(fromHex('0xaP0'), 10.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	837 self.identical(fromHex('0xAP0'), 10.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	838 self.identical(fromHex('0xbep0'), 190.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	839 self.identical(fromHex('0xBep0'), 190.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	840 self.identical(fromHex('0xbEp0'), 190.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	841 self.identical(fromHex('0XBE0P-4'), 190.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	842 self.identical(fromHex('0xBEp0'), 190.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	843 self.identical(fromHex('0xB.Ep4'), 190.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	844 self.identical(fromHex('0x.BEp8'), 190.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	845 self.identical(fromHex('0x.0BEp12'), 190.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	846
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	847 # moving the point around
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	848 pi = fromHex('0x1.921fb54442d18p1')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	849 self.identical(fromHex('0x.006487ed5110b46p11'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	850 self.identical(fromHex('0x.00c90fdaa22168cp10'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	851 self.identical(fromHex('0x.01921fb54442d18p9'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	852 self.identical(fromHex('0x.03243f6a8885a3p8'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	853 self.identical(fromHex('0x.06487ed5110b46p7'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	854 self.identical(fromHex('0x.0c90fdaa22168cp6'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	855 self.identical(fromHex('0x.1921fb54442d18p5'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	856 self.identical(fromHex('0x.3243f6a8885a3p4'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	857 self.identical(fromHex('0x.6487ed5110b46p3'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	858 self.identical(fromHex('0x.c90fdaa22168cp2'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	859 self.identical(fromHex('0x1.921fb54442d18p1'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	860 self.identical(fromHex('0x3.243f6a8885a3p0'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	861 self.identical(fromHex('0x6.487ed5110b46p-1'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	862 self.identical(fromHex('0xc.90fdaa22168cp-2'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	863 self.identical(fromHex('0x19.21fb54442d18p-3'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	864 self.identical(fromHex('0x32.43f6a8885a3p-4'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	865 self.identical(fromHex('0x64.87ed5110b46p-5'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	866 self.identical(fromHex('0xc9.0fdaa22168cp-6'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	867 self.identical(fromHex('0x192.1fb54442d18p-7'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	868 self.identical(fromHex('0x324.3f6a8885a3p-8'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	869 self.identical(fromHex('0x648.7ed5110b46p-9'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	870 self.identical(fromHex('0xc90.fdaa22168cp-10'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	871 self.identical(fromHex('0x1921.fb54442d18p-11'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	872 # ...
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	873 self.identical(fromHex('0x1921fb54442d1.8p-47'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	874 self.identical(fromHex('0x3243f6a8885a3p-48'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	875 self.identical(fromHex('0x6487ed5110b46p-49'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	876 self.identical(fromHex('0xc90fdaa22168cp-50'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	877 self.identical(fromHex('0x1921fb54442d18p-51'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	878 self.identical(fromHex('0x3243f6a8885a30p-52'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	879 self.identical(fromHex('0x6487ed5110b460p-53'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	880 self.identical(fromHex('0xc90fdaa22168c0p-54'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	881 self.identical(fromHex('0x1921fb54442d180p-55'), pi)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	882
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	883
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	884 # results that should overflow...
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	885 self.assertRaises(OverflowError, fromHex, '-0x1p1024')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	886 self.assertRaises(OverflowError, fromHex, '0x1p+1025')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	887 self.assertRaises(OverflowError, fromHex, '+0X1p1030')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	888 self.assertRaises(OverflowError, fromHex, '-0x1p+1100')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	889 self.assertRaises(OverflowError, fromHex, '0X1p123456789123456789')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	890 self.assertRaises(OverflowError, fromHex, '+0X.8p+1025')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	891 self.assertRaises(OverflowError, fromHex, '+0x0.8p1025')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	892 self.assertRaises(OverflowError, fromHex, '-0x0.4p1026')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	893 self.assertRaises(OverflowError, fromHex, '0X2p+1023')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	894 self.assertRaises(OverflowError, fromHex, '0x2.p1023')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	895 self.assertRaises(OverflowError, fromHex, '-0x2.0p+1023')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	896 self.assertRaises(OverflowError, fromHex, '+0X4p+1022')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	897 self.assertRaises(OverflowError, fromHex, '0x1.ffffffffffffffp+1023')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	898 self.assertRaises(OverflowError, fromHex, '-0X1.fffffffffffff9p1023')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	899 self.assertRaises(OverflowError, fromHex, '0X1.fffffffffffff8p1023')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	900 self.assertRaises(OverflowError, fromHex, '+0x3.fffffffffffffp1022')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	901 self.assertRaises(OverflowError, fromHex, '0x3fffffffffffffp+970')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	902 self.assertRaises(OverflowError, fromHex, '0x10000000000000000p960')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	903 self.assertRaises(OverflowError, fromHex, '-0Xffffffffffffffffp960')
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	904
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	905 # ...and those that round to +-max float
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	906 self.identical(fromHex('+0x1.fffffffffffffp+1023'), MAX)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	907 self.identical(fromHex('-0X1.fffffffffffff7p1023'), -MAX)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	908 self.identical(fromHex('0X1.fffffffffffff7fffffffffffffp1023'), MAX)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	909
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	910 # zeros
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	911 self.identical(fromHex('0x0p0'), 0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	912 self.identical(fromHex('0x0p1000'), 0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	913 self.identical(fromHex('-0x0p1023'), -0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	914 self.identical(fromHex('0X0p1024'), 0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	915 self.identical(fromHex('-0x0p1025'), -0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	916 self.identical(fromHex('0X0p2000'), 0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	917 self.identical(fromHex('0x0p123456789123456789'), 0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	918 self.identical(fromHex('-0X0p-0'), -0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	919 self.identical(fromHex('-0X0p-1000'), -0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	920 self.identical(fromHex('0x0p-1023'), 0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	921 self.identical(fromHex('-0X0p-1024'), -0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	922 self.identical(fromHex('-0x0p-1025'), -0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	923 self.identical(fromHex('-0x0p-1072'), -0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	924 self.identical(fromHex('0X0p-1073'), 0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	925 self.identical(fromHex('-0x0p-1074'), -0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	926 self.identical(fromHex('0x0p-1075'), 0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	927 self.identical(fromHex('0X0p-1076'), 0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	928 self.identical(fromHex('-0X0p-2000'), -0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	929 self.identical(fromHex('-0x0p-123456789123456789'), -0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	930
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	931 # values that should underflow to 0
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	932 self.identical(fromHex('0X1p-1075'), 0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	933 self.identical(fromHex('-0X1p-1075'), -0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	934 self.identical(fromHex('-0x1p-123456789123456789'), -0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	935 self.identical(fromHex('0x1.00000000000000001p-1075'), TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	936 self.identical(fromHex('-0x1.1p-1075'), -TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	937 self.identical(fromHex('0x1.fffffffffffffffffp-1075'), TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	938
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	939 # check round-half-even is working correctly near 0 ...
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	940 self.identical(fromHex('0x1p-1076'), 0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	941 self.identical(fromHex('0X2p-1076'), 0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	942 self.identical(fromHex('0X3p-1076'), TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	943 self.identical(fromHex('0x4p-1076'), TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	944 self.identical(fromHex('0X5p-1076'), TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	945 self.identical(fromHex('0X6p-1076'), 2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	946 self.identical(fromHex('0x7p-1076'), 2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	947 self.identical(fromHex('0X8p-1076'), 2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	948 self.identical(fromHex('0X9p-1076'), 2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	949 self.identical(fromHex('0xap-1076'), 2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	950 self.identical(fromHex('0Xbp-1076'), 3*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	951 self.identical(fromHex('0xcp-1076'), 3*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	952 self.identical(fromHex('0Xdp-1076'), 3*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	953 self.identical(fromHex('0Xep-1076'), 4*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	954 self.identical(fromHex('0xfp-1076'), 4*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	955 self.identical(fromHex('0x10p-1076'), 4*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	956 self.identical(fromHex('-0x1p-1076'), -0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	957 self.identical(fromHex('-0X2p-1076'), -0.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	958 self.identical(fromHex('-0x3p-1076'), -TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	959 self.identical(fromHex('-0X4p-1076'), -TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	960 self.identical(fromHex('-0x5p-1076'), -TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	961 self.identical(fromHex('-0x6p-1076'), -2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	962 self.identical(fromHex('-0X7p-1076'), -2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	963 self.identical(fromHex('-0X8p-1076'), -2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	964 self.identical(fromHex('-0X9p-1076'), -2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	965 self.identical(fromHex('-0Xap-1076'), -2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	966 self.identical(fromHex('-0xbp-1076'), -3*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	967 self.identical(fromHex('-0xcp-1076'), -3*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	968 self.identical(fromHex('-0Xdp-1076'), -3*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	969 self.identical(fromHex('-0xep-1076'), -4*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	970 self.identical(fromHex('-0Xfp-1076'), -4*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	971 self.identical(fromHex('-0X10p-1076'), -4*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	972
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	973 # ... and near MIN ...
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	974 self.identical(fromHex('0x0.ffffffffffffd6p-1022'), MIN-3*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	975 self.identical(fromHex('0x0.ffffffffffffd8p-1022'), MIN-2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	976 self.identical(fromHex('0x0.ffffffffffffdap-1022'), MIN-2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	977 self.identical(fromHex('0x0.ffffffffffffdcp-1022'), MIN-2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	978 self.identical(fromHex('0x0.ffffffffffffdep-1022'), MIN-2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	979 self.identical(fromHex('0x0.ffffffffffffe0p-1022'), MIN-2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	980 self.identical(fromHex('0x0.ffffffffffffe2p-1022'), MIN-2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	981 self.identical(fromHex('0x0.ffffffffffffe4p-1022'), MIN-2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	982 self.identical(fromHex('0x0.ffffffffffffe6p-1022'), MIN-2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	983 self.identical(fromHex('0x0.ffffffffffffe8p-1022'), MIN-2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	984 self.identical(fromHex('0x0.ffffffffffffeap-1022'), MIN-TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	985 self.identical(fromHex('0x0.ffffffffffffecp-1022'), MIN-TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	986 self.identical(fromHex('0x0.ffffffffffffeep-1022'), MIN-TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	987 self.identical(fromHex('0x0.fffffffffffff0p-1022'), MIN-TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	988 self.identical(fromHex('0x0.fffffffffffff2p-1022'), MIN-TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	989 self.identical(fromHex('0x0.fffffffffffff4p-1022'), MIN-TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	990 self.identical(fromHex('0x0.fffffffffffff6p-1022'), MIN-TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	991 self.identical(fromHex('0x0.fffffffffffff8p-1022'), MIN)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	992 self.identical(fromHex('0x0.fffffffffffffap-1022'), MIN)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	993 self.identical(fromHex('0x0.fffffffffffffcp-1022'), MIN)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	994 self.identical(fromHex('0x0.fffffffffffffep-1022'), MIN)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	995 self.identical(fromHex('0x1.00000000000000p-1022'), MIN)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	996 self.identical(fromHex('0x1.00000000000002p-1022'), MIN)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	997 self.identical(fromHex('0x1.00000000000004p-1022'), MIN)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	998 self.identical(fromHex('0x1.00000000000006p-1022'), MIN)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	999 self.identical(fromHex('0x1.00000000000008p-1022'), MIN)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1000 self.identical(fromHex('0x1.0000000000000ap-1022'), MIN+TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1001 self.identical(fromHex('0x1.0000000000000cp-1022'), MIN+TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1002 self.identical(fromHex('0x1.0000000000000ep-1022'), MIN+TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1003 self.identical(fromHex('0x1.00000000000010p-1022'), MIN+TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1004 self.identical(fromHex('0x1.00000000000012p-1022'), MIN+TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1005 self.identical(fromHex('0x1.00000000000014p-1022'), MIN+TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1006 self.identical(fromHex('0x1.00000000000016p-1022'), MIN+TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1007 self.identical(fromHex('0x1.00000000000018p-1022'), MIN+2*TINY)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1008
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1009 # ... and near 1.0.
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1010 self.identical(fromHex('0x0.fffffffffffff0p0'), 1.0-EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1011 self.identical(fromHex('0x0.fffffffffffff1p0'), 1.0-EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1012 self.identical(fromHex('0X0.fffffffffffff2p0'), 1.0-EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1013 self.identical(fromHex('0x0.fffffffffffff3p0'), 1.0-EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1014 self.identical(fromHex('0X0.fffffffffffff4p0'), 1.0-EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1015 self.identical(fromHex('0X0.fffffffffffff5p0'), 1.0-EPS/2)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1016 self.identical(fromHex('0X0.fffffffffffff6p0'), 1.0-EPS/2)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1017 self.identical(fromHex('0x0.fffffffffffff7p0'), 1.0-EPS/2)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1018 self.identical(fromHex('0x0.fffffffffffff8p0'), 1.0-EPS/2)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1019 self.identical(fromHex('0X0.fffffffffffff9p0'), 1.0-EPS/2)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1020 self.identical(fromHex('0X0.fffffffffffffap0'), 1.0-EPS/2)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1021 self.identical(fromHex('0x0.fffffffffffffbp0'), 1.0-EPS/2)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1022 self.identical(fromHex('0X0.fffffffffffffcp0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1023 self.identical(fromHex('0x0.fffffffffffffdp0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1024 self.identical(fromHex('0X0.fffffffffffffep0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1025 self.identical(fromHex('0x0.ffffffffffffffp0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1026 self.identical(fromHex('0X1.00000000000000p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1027 self.identical(fromHex('0X1.00000000000001p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1028 self.identical(fromHex('0x1.00000000000002p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1029 self.identical(fromHex('0X1.00000000000003p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1030 self.identical(fromHex('0x1.00000000000004p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1031 self.identical(fromHex('0X1.00000000000005p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1032 self.identical(fromHex('0X1.00000000000006p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1033 self.identical(fromHex('0X1.00000000000007p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1034 self.identical(fromHex('0x1.00000000000007ffffffffffffffffffffp0'),
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1035 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1036 self.identical(fromHex('0x1.00000000000008p0'), 1.0)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1037 self.identical(fromHex('0x1.00000000000008000000000000000001p0'),
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1038 1+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1039 self.identical(fromHex('0X1.00000000000009p0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1040 self.identical(fromHex('0x1.0000000000000ap0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1041 self.identical(fromHex('0x1.0000000000000bp0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1042 self.identical(fromHex('0X1.0000000000000cp0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1043 self.identical(fromHex('0x1.0000000000000dp0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1044 self.identical(fromHex('0x1.0000000000000ep0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1045 self.identical(fromHex('0X1.0000000000000fp0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1046 self.identical(fromHex('0x1.00000000000010p0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1047 self.identical(fromHex('0X1.00000000000011p0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1048 self.identical(fromHex('0x1.00000000000012p0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1049 self.identical(fromHex('0X1.00000000000013p0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1050 self.identical(fromHex('0X1.00000000000014p0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1051 self.identical(fromHex('0x1.00000000000015p0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1052 self.identical(fromHex('0x1.00000000000016p0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1053 self.identical(fromHex('0X1.00000000000017p0'), 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1054 self.identical(fromHex('0x1.00000000000017ffffffffffffffffffffp0'),
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1055 1.0+EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1056 self.identical(fromHex('0x1.00000000000018p0'), 1.0+2*EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1057 self.identical(fromHex('0X1.00000000000018000000000000000001p0'),
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1058 1.0+2*EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1059 self.identical(fromHex('0x1.00000000000019p0'), 1.0+2*EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1060 self.identical(fromHex('0X1.0000000000001ap0'), 1.0+2*EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1061 self.identical(fromHex('0X1.0000000000001bp0'), 1.0+2*EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1062 self.identical(fromHex('0x1.0000000000001cp0'), 1.0+2*EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1063 self.identical(fromHex('0x1.0000000000001dp0'), 1.0+2*EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1064 self.identical(fromHex('0x1.0000000000001ep0'), 1.0+2*EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1065 self.identical(fromHex('0X1.0000000000001fp0'), 1.0+2*EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1066 self.identical(fromHex('0x1.00000000000020p0'), 1.0+2*EPS)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1067
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1068 def test_roundtrip(self):
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1069 def roundtrip(x):
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1070 return fromHex(toHex(x))
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1071
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1072 for x in [NAN, INF, self.MAX, self.MIN, self.MIN-self.TINY, self.TINY, 0.0]:
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1073 self.identical(x, roundtrip(x))
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1074 self.identical(-x, roundtrip(-x))
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1075
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1076 # fromHex(toHex(x)) should exactly recover x, for any non-NaN float x.
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1077 import random
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1078 for i in range(10000):
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1079 e = random.randrange(-1200, 1200)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1080 m = random.random()
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1081 s = random.choice([1.0, -1.0])
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1082 try:
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1083 x = s*ldexp(m, e)
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1084 except OverflowError:
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1085 pass
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1086 else:
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1087 self.identical(x, fromHex(toHex(x)))
2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1088
58280 be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1089 class StrtodTestCase(unittest.TestCase):
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1090 def check_string(self, s):
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1091 expected = strtod(s)
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1092 try:
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1093 fs = float(s)
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1094 except OverflowError:
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1095 got = '-inf' if s[0] == '-' else 'inf'
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1096 else:
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1097 got = fs.hex()
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1098 self.assertEqual(expected, got,
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1099 "Incorrectly rounded str->float conversion for "
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1100 "{}: expected {}, got {}".format(s, expected, got))
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1101
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1102 @unittest.skipUnless(getattr(sys, 'float_repr_style', '') == 'short',
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1103 "applies only when using short float repr style")
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1104 def test_bug7632(self):
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1105 # check a few particular values that gave incorrectly rounded
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1106 # results with previous versions of dtoa.c
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1107 test_strings = [
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1108 '94393431193180696942841837085033647913224148539854e-358',
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1109 '12579816049008305546974391768996369464963024663104e-357',
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1110 '17489628565202117263145367596028389348922981857013e-357',
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1111 '18487398785991994634182916638542680759613590482273e-357',
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1112 '32002864200581033134358724675198044527469366773928e-358',
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1113 '73608278998966969345824653500136787876436005957953e-358',
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1114 '64774478836417299491718435234611299336288082136054e-358',
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1115 '13704940134126574534878641876947980878824688451169e-357',
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1116 '46697445774047060960624497964425416610480524760471e-358',
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1117 ]
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1118 for s in test_strings:
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1119 self.check_string(s)
be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1120
46477 b69f443ef480 Merged revisions 62380,62382-62383 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45023 diff changeset	1121
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	1122 def test_main():
47201 9c930a32cebb #2621 rename test.test_support to test.support Benjamin Peterson <benjamin@python.org> parents: 46664 diff changeset	1123 support.run_unittest(
49055 ca1a8ac47d04 I modified the tests a bit to account for unicode string Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48817 diff changeset	1124 GeneralFloatCases,
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	1125 FormatFunctionsTestCase,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	1126 UnknownFormatTestCase,
42817 5355337709e1 Implementation of PEP 3101, Advanced String Formatting. Eric Smith <eric@trueblade.com> parents: 42775 diff changeset	1127 IEEEFormatTestCase,
44260 682d9788a038 Issue #1580: New free format floating point representation based on "Floating-Point Printer Sample Code", by Robert G. Burger. For example repr(11./5) now returns '2.2' instead of '2.2000000000000002'. Christian Heimes <christian@cheimes.de> parents: 43947 diff changeset	1128 FormatTestCase,
44349 4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	1129 ReprTestCase,
53218 d43d64252d36 Issue #1869 (and 4707, 5118, 5473, 1456775): use the new Mark Dickinson <dickinsm@gmail.com> parents: 53209 diff changeset	1130 RoundTestCase,
44349 4dc01402d78a Merged revisions 59541-59561 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44268 diff changeset	1131 InfNanTest,
48497 2bb866d282ba Merged revisions 64974 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47322 diff changeset	1132 HexFloatTestCase,
58280 be32f611183b Merged revisions 77452 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 57425 diff changeset	1133 StrtodTestCase,
44268 7ae604b3533b Merged revisions 59450-59464 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44260 diff changeset	1134 )
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	1135
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	1136 if __name__ == '__main__':
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	1137 test_main()

Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_float.py @ 64166:d0e9febfa00a 3.1