cpython-lru_cache-weakref: Lib/test/test

annotate Lib/test/test_float.py @ 57303:4aa4c19dfaed legacy-trunk

#1757126: fix typo with the cyrillic_asian alias

author	Philip Jenvey <pjenvey@underboss.org>
date	Tue, 17 Nov 2009 02:42:26 +0000
parents	f10104051339
children	92e06cdbeab9

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
44262 24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	3 import os
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	4 from test import test_support
46473 5bc7b20dc04a I finally got the time to update and merge Mark's and my trunk-math branch. The patch is collaborated work of Mark Dickinson and me. It was mostly done a few months ago. The patch fixes a lot of loose ends and edge cases related to operations with NaN, INF, very small values and complex math. Christian Heimes <christian@cheimes.de> parents: 44482 diff changeset	5 import math
47966 97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	6 from math import isinf, isnan, copysign, ldexp
46473 5bc7b20dc04a I finally got the time to update and merge Mark's and my trunk-math branch. The patch is collaborated work of Mark Dickinson and me. It was mostly done a few months ago. The patch fixes a lot of loose ends and edge cases related to operations with NaN, INF, very small values and complex math. Christian Heimes <christian@cheimes.de> parents: 44482 diff changeset	7 import operator
49054 e27cf7ee2968 #3796: A test class was not run in test_float. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48816 diff changeset	8 import random, fractions
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	9
46473 5bc7b20dc04a I finally got the time to update and merge Mark's and my trunk-math branch. The patch is collaborated work of Mark Dickinson and me. It was mostly done a few months ago. The patch fixes a lot of loose ends and edge cases related to operations with NaN, INF, very small values and complex math. Christian Heimes <christian@cheimes.de> parents: 44482 diff changeset	10 INF = float("inf")
5bc7b20dc04a I finally got the time to update and merge Mark's and my trunk-math branch. The patch is collaborated work of Mark Dickinson and me. It was mostly done a few months ago. The patch fixes a lot of loose ends and edge cases related to operations with NaN, INF, very small values and complex math. Christian Heimes <christian@cheimes.de> parents: 44482 diff changeset	11 NAN = float("nan")
44344 1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	12
53619 5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	13 #locate file with float format test values
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	14 test_dir = os.path.dirname(__file__) or os.curdir
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	15 format_testfile = os.path.join(test_dir, 'formatfloat_testcases.txt')
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	16
46649 83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	17 class GeneralFloatCases(unittest.TestCase):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	18
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	19 def test_float(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	20 self.assertEqual(float(3.14), 3.14)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	21 self.assertEqual(float(314), 314.0)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	22 self.assertEqual(float(314L), 314.0)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	23 self.assertEqual(float(" 3.14 "), 3.14)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	24 self.assertRaises(ValueError, float, " 0x3.1 ")
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	25 self.assertRaises(ValueError, float, " -0x3.p-1 ")
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	26 self.assertRaises(ValueError, float, " +0x3.p-1 ")
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	27 self.assertRaises(ValueError, float, "++3.14")
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	28 self.assertRaises(ValueError, float, "+-3.14")
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	29 self.assertRaises(ValueError, float, "-+3.14")
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	30 self.assertRaises(ValueError, float, "--3.14")
49054 e27cf7ee2968 #3796: A test class was not run in test_float. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48816 diff changeset	31 if test_support.have_unicode:
46649 83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	32 self.assertEqual(float(unicode(" 3.14 ")), 3.14)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	33 self.assertEqual(float(unicode(" \u0663.\u0661\u0664 ",'raw-unicode-escape')), 3.14)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	34
56913 f10104051339 Test long inputs to float Mark Dickinson <dickinsm@gmail.com> parents: 56766 diff changeset	35 # extra long strings should no longer be a problem
f10104051339 Test long inputs to float Mark Dickinson <dickinsm@gmail.com> parents: 56766 diff changeset	36 # (in 2.6, long unicode inputs to float raised ValueError)
f10104051339 Test long inputs to float Mark Dickinson <dickinsm@gmail.com> parents: 56766 diff changeset	37 float('.' + '1'*1000)
f10104051339 Test long inputs to float Mark Dickinson <dickinsm@gmail.com> parents: 56766 diff changeset	38 float(unicode('.' + '1'*1000))
f10104051339 Test long inputs to float Mark Dickinson <dickinsm@gmail.com> parents: 56766 diff changeset	39
46649 83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	40 @test_support.run_with_locale('LC_NUMERIC', 'fr_FR', 'de_DE')
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	41 def test_float_with_comma(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	42 # set locale to something that doesn't use '.' for the decimal point
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	43 # float must not accept the locale specific decimal point but
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	44 # it still has to accept the normal python syntac
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	45 import locale
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	46 if not locale.localeconv()['decimal_point'] == ',':
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	47 return
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	48
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	49 self.assertEqual(float(" 3.14 "), 3.14)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	50 self.assertEqual(float("+3.14 "), 3.14)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	51 self.assertEqual(float("-3.14 "), -3.14)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	52 self.assertEqual(float(".14 "), .14)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	53 self.assertEqual(float("3. "), 3.0)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	54 self.assertEqual(float("3.e3 "), 3000.0)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	55 self.assertEqual(float("3.2e3 "), 3200.0)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	56 self.assertEqual(float("2.5e-1 "), 0.25)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	57 self.assertEqual(float("5e-1"), 0.5)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	58 self.assertRaises(ValueError, float, " 3,14 ")
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	59 self.assertRaises(ValueError, float, " +3,14 ")
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	60 self.assertRaises(ValueError, float, " -3,14 ")
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	61 self.assertRaises(ValueError, float, " 0x3.1 ")
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	62 self.assertRaises(ValueError, float, " -0x3.p-1 ")
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	63 self.assertRaises(ValueError, float, " +0x3.p-1 ")
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	64 self.assertEqual(float(" 25.e-1 "), 2.5)
49061 fdc0948c95cf fix missing module Benjamin Peterson <benjamin@python.org> parents: 49054 diff changeset	65 self.assertEqual(test_support.fcmp(float(" .25e-1 "), .025), 0)
46649 83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	66
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	67 def test_floatconversion(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	68 # Make sure that calls to __float__() work properly
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	69 class Foo0:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	70 def __float__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	71 return 42.
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	72
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	73 class Foo1(object):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	74 def __float__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	75 return 42.
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	76
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	77 class Foo2(float):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	78 def __float__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	79 return 42.
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	80
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	81 class Foo3(float):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	82 def __new__(cls, value=0.):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	83 return float.__new__(cls, 2*value)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	84
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	85 def __float__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	86 return self
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	87
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	88 class Foo4(float):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	89 def __float__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	90 return 42
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	91
53162 6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	92 # Issue 5759: __float__ not called on str subclasses (though it is on
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	93 # unicode subclasses).
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	94 class FooStr(str):
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	95 def __float__(self):
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	96 return float(str(self)) + 1
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	97
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	98 class FooUnicode(unicode):
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	99 def __float__(self):
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	100 return float(unicode(self)) + 1
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	101
46649 83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	102 self.assertAlmostEqual(float(Foo0()), 42.)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	103 self.assertAlmostEqual(float(Foo1()), 42.)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	104 self.assertAlmostEqual(float(Foo2()), 42.)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	105 self.assertAlmostEqual(float(Foo3(21)), 42.)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	106 self.assertRaises(TypeError, float, Foo4(42))
53162 6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	107 self.assertAlmostEqual(float(FooUnicode('8')), 9.)
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	108 self.assertAlmostEqual(float(FooStr('8')), 9.)
46649 83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	109
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	110 def test_floatasratio(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	111 for f, ratio in [
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	112 (0.875, (7, 8)),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	113 (-0.875, (-7, 8)),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	114 (0.0, (0, 1)),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	115 (11.5, (23, 2)),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	116 ]:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	117 self.assertEqual(f.as_integer_ratio(), ratio)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	118
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	119 for i in range(10000):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	120 f = random.random()
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	121 f = 10 * random.randint(-100, 100)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	122 n, d = f.as_integer_ratio()
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	123 self.assertEqual(float(n).__truediv__(d), f)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	124
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	125 R = fractions.Fraction
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	126 self.assertEqual(R(0, 1),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	127 R(*float(0.0).as_integer_ratio()))
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	128 self.assertEqual(R(5, 2),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	129 R(*float(2.5).as_integer_ratio()))
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	130 self.assertEqual(R(1, 2),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	131 R(*float(0.5).as_integer_ratio()))
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	132 self.assertEqual(R(4728779608739021, 2251799813685248),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	133 R(*float(2.1).as_integer_ratio()))
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	134 self.assertEqual(R(-4728779608739021, 2251799813685248),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	135 R(*float(-2.1).as_integer_ratio()))
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	136 self.assertEqual(R(-2100, 1),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	137 R(*float(-2100.0).as_integer_ratio()))
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	138
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	139 self.assertRaises(OverflowError, float('inf').as_integer_ratio)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	140 self.assertRaises(OverflowError, float('-inf').as_integer_ratio)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	141 self.assertRaises(ValueError, float('nan').as_integer_ratio)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	142
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	143 class FormatFunctionsTestCase(unittest.TestCase):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	144
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	145 def setUp(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	146 self.save_formats = {'double':float.__getformat__('double'),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	147 'float':float.__getformat__('float')}
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	148
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	149 def tearDown(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	150 float.__setformat__('double', self.save_formats['double'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	151 float.__setformat__('float', self.save_formats['float'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	152
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	153 def test_getformat(self):
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	154 self.assertTrue(float.__getformat__('double') in
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	155 ['unknown', 'IEEE, big-endian', 'IEEE, little-endian'])
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	156 self.assertTrue(float.__getformat__('float') in
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	157 ['unknown', 'IEEE, big-endian', 'IEEE, little-endian'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	158 self.assertRaises(ValueError, float.__getformat__, 'chicken')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	159 self.assertRaises(TypeError, float.__getformat__, 1)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	160
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	161 def test_setformat(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	162 for t in 'double', 'float':
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	163 float.__setformat__(t, 'unknown')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	164 if self.save_formats[t] == 'IEEE, big-endian':
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	165 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	166 t, 'IEEE, little-endian')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	167 elif self.save_formats[t] == 'IEEE, little-endian':
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	168 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	169 t, 'IEEE, big-endian')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	170 else:
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	171 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	172 t, 'IEEE, big-endian')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	173 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	174 t, 'IEEE, little-endian')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	175 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	176 t, 'chicken')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	177 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	178 'chicken', 'unknown')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	179
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	180 BE_DOUBLE_INF = '\x7f\xf0\x00\x00\x00\x00\x00\x00'
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	181 LE_DOUBLE_INF = ''.join(reversed(BE_DOUBLE_INF))
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	182 BE_DOUBLE_NAN = '\x7f\xf8\x00\x00\x00\x00\x00\x00'
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	183 LE_DOUBLE_NAN = ''.join(reversed(BE_DOUBLE_NAN))
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	184
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	185 BE_FLOAT_INF = '\x7f\x80\x00\x00'
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	186 LE_FLOAT_INF = ''.join(reversed(BE_FLOAT_INF))
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	187 BE_FLOAT_NAN = '\x7f\xc0\x00\x00'
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	188 LE_FLOAT_NAN = ''.join(reversed(BE_FLOAT_NAN))
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	189
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	190 # on non-IEEE platforms, attempting to unpack a bit pattern
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	191 # representing an infinity or a NaN should raise an exception.
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	192
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	193 class UnknownFormatTestCase(unittest.TestCase):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	194 def setUp(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	195 self.save_formats = {'double':float.__getformat__('double'),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	196 'float':float.__getformat__('float')}
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	197 float.__setformat__('double', 'unknown')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	198 float.__setformat__('float', 'unknown')
35014 275843630522 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 34972 diff changeset	199
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	200 def tearDown(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	201 float.__setformat__('double', self.save_formats['double'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	202 float.__setformat__('float', self.save_formats['float'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	203
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	204 def test_double_specials_dont_unpack(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	205 for fmt, data in [('>d', BE_DOUBLE_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	206 ('>d', BE_DOUBLE_NAN),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	207 ('<d', LE_DOUBLE_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	208 ('<d', LE_DOUBLE_NAN)]:
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	209 self.assertRaises(ValueError, struct.unpack, fmt, data)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	210
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	211 def test_float_specials_dont_unpack(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	212 for fmt, data in [('>f', BE_FLOAT_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	213 ('>f', BE_FLOAT_NAN),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	214 ('<f', LE_FLOAT_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	215 ('<f', LE_FLOAT_NAN)]:
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	216 self.assertRaises(ValueError, struct.unpack, fmt, data)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	217
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	218
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	219 # 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	220 # 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	221 # is accident (today).
42704 092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	222 # 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	223
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	224 class IEEEFormatTestCase(unittest.TestCase):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	225 if float.__getformat__("double").startswith("IEEE"):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	226 def test_double_specials_do_unpack(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	227 for fmt, data in [('>d', BE_DOUBLE_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	228 ('>d', BE_DOUBLE_NAN),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	229 ('<d', LE_DOUBLE_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	230 ('<d', LE_DOUBLE_NAN)]:
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	231 struct.unpack(fmt, data)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	232
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	233 if float.__getformat__("float").startswith("IEEE"):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	234 def test_float_specials_do_unpack(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	235 for fmt, data in [('>f', BE_FLOAT_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	236 ('>f', BE_FLOAT_NAN),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	237 ('<f', LE_FLOAT_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	238 ('<f', LE_FLOAT_NAN)]:
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	239 struct.unpack(fmt, data)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	240
42704 092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	241 if float.__getformat__("double").startswith("IEEE"):
092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	242 def test_negative_zero(self):
092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	243 import math
092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	244 def pos_pos():
092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	245 return 0.0, math.atan2(0.0, -1)
092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	246 def pos_neg():
092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	247 return 0.0, math.atan2(-0.0, -1)
092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	248 def neg_pos():
092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	249 return -0.0, math.atan2(0.0, -1)
092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	250 def neg_neg():
092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	251 return -0.0, math.atan2(-0.0, -1)
092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	252 self.assertEquals(pos_pos(), neg_pos())
092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	253 self.assertEquals(pos_neg(), neg_neg())
092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 39642 diff changeset	254
44482 3fcaf6cc306d Patch #1725 by Mark Dickinson, fixes incorrect conversion of -1e1000 Guido van Rossum <guido@python.org> parents: 44344 diff changeset	255 if float.__getformat__("double").startswith("IEEE"):
3fcaf6cc306d Patch #1725 by Mark Dickinson, fixes incorrect conversion of -1e1000 Guido van Rossum <guido@python.org> parents: 44344 diff changeset	256 def test_underflow_sign(self):
3fcaf6cc306d Patch #1725 by Mark Dickinson, fixes incorrect conversion of -1e1000 Guido van Rossum <guido@python.org> parents: 44344 diff changeset	257 import math
3fcaf6cc306d Patch #1725 by Mark Dickinson, fixes incorrect conversion of -1e1000 Guido van Rossum <guido@python.org> parents: 44344 diff changeset	258 # check that -1e-1000 gives -0.0, not 0.0
3fcaf6cc306d Patch #1725 by Mark Dickinson, fixes incorrect conversion of -1e1000 Guido van Rossum <guido@python.org> parents: 44344 diff changeset	259 self.assertEquals(math.atan2(-1e-1000, -1), math.atan2(-0.0, -1))
3fcaf6cc306d Patch #1725 by Mark Dickinson, fixes incorrect conversion of -1e1000 Guido van Rossum <guido@python.org> parents: 44344 diff changeset	260 self.assertEquals(math.atan2(float('-1e-1000'), -1),
3fcaf6cc306d Patch #1725 by Mark Dickinson, fixes incorrect conversion of -1e1000 Guido van Rossum <guido@python.org> parents: 44344 diff changeset	261 math.atan2(-0.0, -1))
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	262
53802 1d8f24d40c2c 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: 53619 diff changeset	263 def test_format(self):
1d8f24d40c2c 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: 53619 diff changeset	264 # these should be rewritten to use both format(x, spec) and
1d8f24d40c2c 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: 53619 diff changeset	265 # x.__format__(spec)
1d8f24d40c2c 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: 53619 diff changeset	266
1d8f24d40c2c 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: 53619 diff changeset	267 self.assertEqual(format(0.0, 'f'), '0.000000')
1d8f24d40c2c 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: 53619 diff changeset	268
1d8f24d40c2c 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: 53619 diff changeset	269 # the default is 'g', except for empty format spec
1d8f24d40c2c 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: 53619 diff changeset	270 self.assertEqual(format(0.0, ''), '0.0')
1d8f24d40c2c 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: 53619 diff changeset	271 self.assertEqual(format(0.01, ''), '0.01')
1d8f24d40c2c 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: 53619 diff changeset	272 self.assertEqual(format(0.01, 'g'), '0.01')
1d8f24d40c2c 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: 53619 diff changeset	273
1d8f24d40c2c 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: 53619 diff changeset	274 # empty presentation type should format in the same way as str
1d8f24d40c2c 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: 53619 diff changeset	275 # (issue 5920)
1d8f24d40c2c 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: 53619 diff changeset	276 x = 100/7.
1d8f24d40c2c 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: 53619 diff changeset	277 self.assertEqual(format(x, ''), str(x))
1d8f24d40c2c 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: 53619 diff changeset	278 self.assertEqual(format(x, '-'), str(x))
1d8f24d40c2c 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: 53619 diff changeset	279 self.assertEqual(format(x, '>'), str(x))
1d8f24d40c2c 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: 53619 diff changeset	280 self.assertEqual(format(x, '2'), str(x))
1d8f24d40c2c 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: 53619 diff changeset	281
1d8f24d40c2c 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: 53619 diff changeset	282 self.assertEqual(format(1.0, 'f'), '1.000000')
1d8f24d40c2c 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: 53619 diff changeset	283
1d8f24d40c2c 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: 53619 diff changeset	284 self.assertEqual(format(-1.0, 'f'), '-1.000000')
1d8f24d40c2c 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: 53619 diff changeset	285
1d8f24d40c2c 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: 53619 diff changeset	286 self.assertEqual(format( 1.0, ' f'), ' 1.000000')
1d8f24d40c2c 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: 53619 diff changeset	287 self.assertEqual(format(-1.0, ' f'), '-1.000000')
1d8f24d40c2c 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: 53619 diff changeset	288 self.assertEqual(format( 1.0, '+f'), '+1.000000')
1d8f24d40c2c 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: 53619 diff changeset	289 self.assertEqual(format(-1.0, '+f'), '-1.000000')
1d8f24d40c2c 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: 53619 diff changeset	290
1d8f24d40c2c 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: 53619 diff changeset	291 # % formatting
1d8f24d40c2c 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: 53619 diff changeset	292 self.assertEqual(format(-1.0, '%'), '-100.000000%')
1d8f24d40c2c 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: 53619 diff changeset	293
1d8f24d40c2c 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: 53619 diff changeset	294 # conversion to string should fail
1d8f24d40c2c 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: 53619 diff changeset	295 self.assertRaises(ValueError, format, 3.0, "s")
1d8f24d40c2c 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: 53619 diff changeset	296
1d8f24d40c2c 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: 53619 diff changeset	297 # other format specifiers shouldn't work on floats,
1d8f24d40c2c 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: 53619 diff changeset	298 # in particular int specifiers
1d8f24d40c2c 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: 53619 diff changeset	299 for format_spec in ([chr(x) for x in range(ord('a'), ord('z')+1)] +
1d8f24d40c2c 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: 53619 diff changeset	300 [chr(x) for x in range(ord('A'), ord('Z')+1)]):
1d8f24d40c2c 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: 53619 diff changeset	301 if not format_spec in 'eEfFgGn%':
1d8f24d40c2c 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: 53619 diff changeset	302 self.assertRaises(ValueError, format, 0.0, format_spec)
1d8f24d40c2c 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: 53619 diff changeset	303 self.assertRaises(ValueError, format, 1.0, format_spec)
1d8f24d40c2c 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: 53619 diff changeset	304 self.assertRaises(ValueError, format, -1.0, format_spec)
1d8f24d40c2c 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: 53619 diff changeset	305 self.assertRaises(ValueError, format, 1e100, format_spec)
1d8f24d40c2c 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: 53619 diff changeset	306 self.assertRaises(ValueError, format, -1e100, format_spec)
1d8f24d40c2c 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: 53619 diff changeset	307 self.assertRaises(ValueError, format, 1e-100, format_spec)
1d8f24d40c2c 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: 53619 diff changeset	308 self.assertRaises(ValueError, format, -1e-100, format_spec)
1d8f24d40c2c 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: 53619 diff changeset	309
53619 5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	310 @unittest.skipUnless(float.__getformat__("double").startswith("IEEE"),
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	311 "test requires IEEE 754 doubles")
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	312 def test_format_testfile(self):
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	313 for line in open(format_testfile):
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	314 if line.startswith('--'):
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	315 continue
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	316 line = line.strip()
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	317 if not line:
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	318 continue
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	319
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	320 lhs, rhs = map(str.strip, line.split('->'))
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	321 fmt, arg = lhs.split()
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	322 self.assertEqual(fmt % float(arg), rhs)
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	323 self.assertEqual(fmt % -float(arg), '-' + rhs)
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	324
53611 a3fcccee8957 Issue #5864: format(1234.5, '.4') gives misleading result Mark Dickinson <dickinsm@gmail.com> parents: 53162 diff changeset	325 def test_issue5864(self):
a3fcccee8957 Issue #5864: format(1234.5, '.4') gives misleading result Mark Dickinson <dickinsm@gmail.com> parents: 53162 diff changeset	326 self.assertEquals(format(123.456, '.4'), '123.5')
a3fcccee8957 Issue #5864: format(1234.5, '.4') gives misleading result Mark Dickinson <dickinsm@gmail.com> parents: 53162 diff changeset	327 self.assertEquals(format(1234.56, '.4'), '1.235e+03')
a3fcccee8957 Issue #5864: format(1234.5, '.4') gives misleading result Mark Dickinson <dickinsm@gmail.com> parents: 53162 diff changeset	328 self.assertEquals(format(12345.6, '.4'), '1.235e+04')
a3fcccee8957 Issue #5864: format(1234.5, '.4') gives misleading result Mark Dickinson <dickinsm@gmail.com> parents: 53162 diff changeset	329
44262 24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	330 class ReprTestCase(unittest.TestCase):
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	331 def test_repr(self):
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	332 floats_file = open(os.path.join(os.path.split(__file__)[0],
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	333 'floating_points.txt'))
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	334 for line in floats_file:
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	335 line = line.strip()
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	336 if not line or line.startswith('#'):
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	337 continue
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	338 v = eval(line)
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	339 self.assertEqual(v, eval(repr(v)))
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	340 floats_file.close()
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	341
44344 1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	342 # Beginning with Python 2.6 float has cross platform compatible
47889 4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	343 # ways to create and represent inf and nan
44344 1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	344 class InfNanTest(unittest.TestCase):
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	345 def test_inf_from_str(self):
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	346 self.assertTrue(isinf(float("inf")))
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	347 self.assertTrue(isinf(float("+inf")))
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	348 self.assertTrue(isinf(float("-inf")))
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	349 self.assertTrue(isinf(float("infinity")))
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	350 self.assertTrue(isinf(float("+infinity")))
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	351 self.assertTrue(isinf(float("-infinity")))
44344 1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	352
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	353 self.assertEqual(repr(float("inf")), "inf")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	354 self.assertEqual(repr(float("+inf")), "inf")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	355 self.assertEqual(repr(float("-inf")), "-inf")
47889 4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	356 self.assertEqual(repr(float("infinity")), "inf")
4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	357 self.assertEqual(repr(float("+infinity")), "inf")
4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	358 self.assertEqual(repr(float("-infinity")), "-inf")
44344 1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	359
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	360 self.assertEqual(repr(float("INF")), "inf")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	361 self.assertEqual(repr(float("+Inf")), "inf")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	362 self.assertEqual(repr(float("-iNF")), "-inf")
47889 4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	363 self.assertEqual(repr(float("Infinity")), "inf")
4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	364 self.assertEqual(repr(float("+iNfInItY")), "inf")
4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	365 self.assertEqual(repr(float("-INFINITY")), "-inf")
44344 1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	366
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	367 self.assertEqual(str(float("inf")), "inf")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	368 self.assertEqual(str(float("+inf")), "inf")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	369 self.assertEqual(str(float("-inf")), "-inf")
47889 4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	370 self.assertEqual(str(float("infinity")), "inf")
4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	371 self.assertEqual(str(float("+infinity")), "inf")
4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	372 self.assertEqual(str(float("-infinity")), "-inf")
44344 1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	373
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	374 self.assertRaises(ValueError, float, "info")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	375 self.assertRaises(ValueError, float, "+info")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	376 self.assertRaises(ValueError, float, "-info")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	377 self.assertRaises(ValueError, float, "in")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	378 self.assertRaises(ValueError, float, "+in")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	379 self.assertRaises(ValueError, float, "-in")
47889 4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	380 self.assertRaises(ValueError, float, "infinit")
4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	381 self.assertRaises(ValueError, float, "+Infin")
4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	382 self.assertRaises(ValueError, float, "-INFI")
4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	383 self.assertRaises(ValueError, float, "infinitys")
44344 1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	384
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	385 def test_inf_as_str(self):
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	386 self.assertEqual(repr(1e300 * 1e300), "inf")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	387 self.assertEqual(repr(-1e300 * 1e300), "-inf")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	388
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	389 self.assertEqual(str(1e300 * 1e300), "inf")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	390 self.assertEqual(str(-1e300 * 1e300), "-inf")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	391
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	392 def test_nan_from_str(self):
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	393 self.assertTrue(isnan(float("nan")))
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	394 self.assertTrue(isnan(float("+nan")))
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	395 self.assertTrue(isnan(float("-nan")))
44344 1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	396
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	397 self.assertEqual(repr(float("nan")), "nan")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	398 self.assertEqual(repr(float("+nan")), "nan")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	399 self.assertEqual(repr(float("-nan")), "nan")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	400
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	401 self.assertEqual(repr(float("NAN")), "nan")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	402 self.assertEqual(repr(float("+NAn")), "nan")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	403 self.assertEqual(repr(float("-NaN")), "nan")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	404
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	405 self.assertEqual(str(float("nan")), "nan")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	406 self.assertEqual(str(float("+nan")), "nan")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	407 self.assertEqual(str(float("-nan")), "nan")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	408
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	409 self.assertRaises(ValueError, float, "nana")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	410 self.assertRaises(ValueError, float, "+nana")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	411 self.assertRaises(ValueError, float, "-nana")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	412 self.assertRaises(ValueError, float, "na")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	413 self.assertRaises(ValueError, float, "+na")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	414 self.assertRaises(ValueError, float, "-na")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	415
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	416 def test_nan_as_str(self):
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	417 self.assertEqual(repr(1e300 * 1e300 * 0), "nan")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	418 self.assertEqual(repr(-1e300 * 1e300 * 0), "nan")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	419
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	420 self.assertEqual(str(1e300 * 1e300 * 0), "nan")
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	421 self.assertEqual(str(-1e300 * 1e300 * 0), "nan")
44262 24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	422
46473 5bc7b20dc04a I finally got the time to update and merge Mark's and my trunk-math branch. The patch is collaborated work of Mark Dickinson and me. It was mostly done a few months ago. The patch fixes a lot of loose ends and edge cases related to operations with NaN, INF, very small values and complex math. Christian Heimes <christian@cheimes.de> parents: 44482 diff changeset	423 def notest_float_nan(self):
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	424 self.assertTrue(NAN.is_nan())
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	425 self.assertFalse(INF.is_nan())
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	426 self.assertFalse((0.).is_nan())
46473 5bc7b20dc04a I finally got the time to update and merge Mark's and my trunk-math branch. The patch is collaborated work of Mark Dickinson and me. It was mostly done a few months ago. The patch fixes a lot of loose ends and edge cases related to operations with NaN, INF, very small values and complex math. Christian Heimes <christian@cheimes.de> parents: 44482 diff changeset	427
5bc7b20dc04a I finally got the time to update and merge Mark's and my trunk-math branch. The patch is collaborated work of Mark Dickinson and me. It was mostly done a few months ago. The patch fixes a lot of loose ends and edge cases related to operations with NaN, INF, very small values and complex math. Christian Heimes <christian@cheimes.de> parents: 44482 diff changeset	428 def notest_float_inf(self):
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	429 self.assertTrue(INF.is_inf())
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	430 self.assertFalse(NAN.is_inf())
6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 54000 diff changeset	431 self.assertFalse((0.).is_inf())
46473 5bc7b20dc04a I finally got the time to update and merge Mark's and my trunk-math branch. The patch is collaborated work of Mark Dickinson and me. It was mostly done a few months ago. The patch fixes a lot of loose ends and edge cases related to operations with NaN, INF, very small values and complex math. Christian Heimes <christian@cheimes.de> parents: 44482 diff changeset	432
47966 97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	433 fromHex = float.fromhex
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	434 toHex = float.hex
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	435 class HexFloatTestCase(unittest.TestCase):
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	436 MAX = fromHex('0x.fffffffffffff8p+1024') # max normal
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	437 MIN = fromHex('0x1p-1022') # min normal
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	438 TINY = fromHex('0x0.0000000000001p-1022') # min subnormal
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	439 EPS = fromHex('0x0.0000000000001p0') # diff between 1.0 and next float up
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	440
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	441 def identical(self, x, y):
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	442 # check that floats x and y are identical, or that both
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	443 # are NaNs
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	444 if isnan(x) or isnan(y):
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	445 if isnan(x) == isnan(y):
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	446 return
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	447 elif x == y and (x != 0.0 or copysign(1.0, x) == copysign(1.0, y)):
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	448 return
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	449 self.fail('%r not identical to %r' % (x, y))
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	450
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	451 def test_ends(self):
47970 9cb28ad5a41c Fix float.from_hex tests. It appears that Linux/ia64 doesn't like Mark Dickinson <dickinsm@gmail.com> parents: 47966 diff changeset	452 self.identical(self.MIN, ldexp(1.0, -1022))
9cb28ad5a41c Fix float.from_hex tests. It appears that Linux/ia64 doesn't like Mark Dickinson <dickinsm@gmail.com> parents: 47966 diff changeset	453 self.identical(self.TINY, ldexp(1.0, -1074))
9cb28ad5a41c Fix float.from_hex tests. It appears that Linux/ia64 doesn't like Mark Dickinson <dickinsm@gmail.com> parents: 47966 diff changeset	454 self.identical(self.EPS, ldexp(1.0, -52))
9cb28ad5a41c Fix float.from_hex tests. It appears that Linux/ia64 doesn't like Mark Dickinson <dickinsm@gmail.com> parents: 47966 diff changeset	455 self.identical(self.MAX, 2.*(ldexp(1.0, 1023) - ldexp(1.0, 970)))
47966 97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	456
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	457 def test_invalid_inputs(self):
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	458 invalid_inputs = [
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	459 'infi', # misspelt infinities and nans
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	460 '-Infinit',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	461 '++inf',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	462 '-+Inf',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	463 '--nan',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	464 '+-NaN',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	465 'snan',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	466 'NaNs',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	467 'nna',
54000 119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	468 'an',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	469 'nf',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	470 'nfinity',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	471 'inity',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	472 'iinity',
47966 97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	473 '0xnan',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	474 '',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	475 ' ',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	476 'x1.0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	477 '0xX1.0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	478 '+ 0x1.0p0', # internal whitespace
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	479 '- 0x1.0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	480 '0 x1.0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	481 '0x 1.0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	482 '0x1 2.0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	483 '+0x1 .0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	484 '0x1. 0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	485 '-0x1.0 1p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	486 '-0x1.0 p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	487 '+0x1.0p +0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	488 '0x1.0p -0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	489 '0x1.0p 0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	490 '+0x1.0p+ 0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	491 '-0x1.0p- 0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	492 '++0x1.0p-0', # double signs
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	493 '--0x1.0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	494 '+-0x1.0p+0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	495 '-+0x1.0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	496 '0x1.0p++0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	497 '+0x1.0p+-0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	498 '-0x1.0p-+0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	499 '0x1.0p--0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	500 '0x1.0.p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	501 '0x.p0', # no hex digits before or after point
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	502 '0x1,p0', # wrong decimal point character
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	503 '0x1pa',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	504 u'0x1p\uff10', # fullwidth Unicode digits
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	505 u'\uff10x1p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	506 u'0x\uff11p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	507 u'0x1.\uff10p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	508 '0x1p0 \n 0x2p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	509 '0x1p0\0 0x1p0', # embedded null byte is not end of string
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	510 ]
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	511 for x in invalid_inputs:
48816 57a8735647cf Fix float.fromhex test to give additional information on failure. This Mark Dickinson <dickinsm@gmail.com> parents: 47970 diff changeset	512 try:
57a8735647cf Fix float.fromhex test to give additional information on failure. This Mark Dickinson <dickinsm@gmail.com> parents: 47970 diff changeset	513 result = fromHex(x)
57a8735647cf Fix float.fromhex test to give additional information on failure. This Mark Dickinson <dickinsm@gmail.com> parents: 47970 diff changeset	514 except ValueError:
57a8735647cf Fix float.fromhex test to give additional information on failure. This Mark Dickinson <dickinsm@gmail.com> parents: 47970 diff changeset	515 pass
57a8735647cf Fix float.fromhex test to give additional information on failure. This Mark Dickinson <dickinsm@gmail.com> parents: 47970 diff changeset	516 else:
57a8735647cf Fix float.fromhex test to give additional information on failure. This Mark Dickinson <dickinsm@gmail.com> parents: 47970 diff changeset	517 self.fail('Expected float.fromhex(%r) to raise ValueError; '
57a8735647cf Fix float.fromhex test to give additional information on failure. This Mark Dickinson <dickinsm@gmail.com> parents: 47970 diff changeset	518 'got %r instead' % (x, result))
47966 97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	519
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	520
54000 119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	521 def test_whitespace(self):
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	522 value_pairs = [
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	523 ('inf', INF),
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	524 ('-Infinity', -INF),
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	525 ('nan', NAN),
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	526 ('1.0', 1.0),
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	527 ('-0x.2', -0.125),
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	528 ('-0.0', -0.0)
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	529 ]
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	530 whitespace = [
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	531 '',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	532 ' ',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	533 '\t',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	534 '\n',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	535 '\n \t',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	536 '\f',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	537 '\v',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	538 '\r'
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	539 ]
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	540 for inp, expected in value_pairs:
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	541 for lead in whitespace:
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	542 for trail in whitespace:
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	543 got = fromHex(lead + inp + trail)
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	544 self.identical(got, expected)
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	545
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	546
47966 97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	547 def test_from_hex(self):
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	548 MIN = self.MIN;
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	549 MAX = self.MAX;
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	550 TINY = self.TINY;
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	551 EPS = self.EPS;
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	552
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	553 # two spellings of infinity, with optional signs; case-insensitive
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	554 self.identical(fromHex('inf'), INF)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	555 self.identical(fromHex('+Inf'), INF)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	556 self.identical(fromHex('-INF'), -INF)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	557 self.identical(fromHex('iNf'), INF)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	558 self.identical(fromHex('Infinity'), INF)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	559 self.identical(fromHex('+INFINITY'), INF)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	560 self.identical(fromHex('-infinity'), -INF)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	561 self.identical(fromHex('-iNFiNitY'), -INF)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	562
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	563 # nans with optional sign; case insensitive
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	564 self.identical(fromHex('nan'), NAN)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	565 self.identical(fromHex('+NaN'), NAN)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	566 self.identical(fromHex('-NaN'), NAN)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	567 self.identical(fromHex('-nAN'), NAN)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	568
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	569 # variations in input format
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	570 self.identical(fromHex('1'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	571 self.identical(fromHex('+1'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	572 self.identical(fromHex('1.'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	573 self.identical(fromHex('1.0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	574 self.identical(fromHex('1.0p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	575 self.identical(fromHex('01'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	576 self.identical(fromHex('01.'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	577 self.identical(fromHex('0x1'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	578 self.identical(fromHex('0x1.'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	579 self.identical(fromHex('0x1.0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	580 self.identical(fromHex('+0x1.0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	581 self.identical(fromHex('0x1p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	582 self.identical(fromHex('0X1p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	583 self.identical(fromHex('0X1P0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	584 self.identical(fromHex('0x1P0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	585 self.identical(fromHex('0x1.p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	586 self.identical(fromHex('0x1.0p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	587 self.identical(fromHex('0x.1p4'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	588 self.identical(fromHex('0x.1p04'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	589 self.identical(fromHex('0x.1p004'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	590 self.identical(fromHex('0x1p+0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	591 self.identical(fromHex('0x1P-0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	592 self.identical(fromHex('+0x1p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	593 self.identical(fromHex('0x01p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	594 self.identical(fromHex('0x1p00'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	595 self.identical(fromHex(u'0x1p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	596 self.identical(fromHex(' 0x1p0 '), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	597 self.identical(fromHex('\n 0x1p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	598 self.identical(fromHex('0x1p0 \t'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	599 self.identical(fromHex('0xap0'), 10.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	600 self.identical(fromHex('0xAp0'), 10.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	601 self.identical(fromHex('0xaP0'), 10.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	602 self.identical(fromHex('0xAP0'), 10.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	603 self.identical(fromHex('0xbep0'), 190.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	604 self.identical(fromHex('0xBep0'), 190.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	605 self.identical(fromHex('0xbEp0'), 190.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	606 self.identical(fromHex('0XBE0P-4'), 190.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	607 self.identical(fromHex('0xBEp0'), 190.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	608 self.identical(fromHex('0xB.Ep4'), 190.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	609 self.identical(fromHex('0x.BEp8'), 190.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	610 self.identical(fromHex('0x.0BEp12'), 190.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	611
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	612 # moving the point around
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	613 pi = fromHex('0x1.921fb54442d18p1')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	614 self.identical(fromHex('0x.006487ed5110b46p11'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	615 self.identical(fromHex('0x.00c90fdaa22168cp10'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	616 self.identical(fromHex('0x.01921fb54442d18p9'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	617 self.identical(fromHex('0x.03243f6a8885a3p8'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	618 self.identical(fromHex('0x.06487ed5110b46p7'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	619 self.identical(fromHex('0x.0c90fdaa22168cp6'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	620 self.identical(fromHex('0x.1921fb54442d18p5'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	621 self.identical(fromHex('0x.3243f6a8885a3p4'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	622 self.identical(fromHex('0x.6487ed5110b46p3'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	623 self.identical(fromHex('0x.c90fdaa22168cp2'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	624 self.identical(fromHex('0x1.921fb54442d18p1'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	625 self.identical(fromHex('0x3.243f6a8885a3p0'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	626 self.identical(fromHex('0x6.487ed5110b46p-1'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	627 self.identical(fromHex('0xc.90fdaa22168cp-2'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	628 self.identical(fromHex('0x19.21fb54442d18p-3'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	629 self.identical(fromHex('0x32.43f6a8885a3p-4'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	630 self.identical(fromHex('0x64.87ed5110b46p-5'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	631 self.identical(fromHex('0xc9.0fdaa22168cp-6'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	632 self.identical(fromHex('0x192.1fb54442d18p-7'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	633 self.identical(fromHex('0x324.3f6a8885a3p-8'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	634 self.identical(fromHex('0x648.7ed5110b46p-9'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	635 self.identical(fromHex('0xc90.fdaa22168cp-10'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	636 self.identical(fromHex('0x1921.fb54442d18p-11'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	637 # ...
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	638 self.identical(fromHex('0x1921fb54442d1.8p-47'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	639 self.identical(fromHex('0x3243f6a8885a3p-48'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	640 self.identical(fromHex('0x6487ed5110b46p-49'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	641 self.identical(fromHex('0xc90fdaa22168cp-50'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	642 self.identical(fromHex('0x1921fb54442d18p-51'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	643 self.identical(fromHex('0x3243f6a8885a30p-52'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	644 self.identical(fromHex('0x6487ed5110b460p-53'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	645 self.identical(fromHex('0xc90fdaa22168c0p-54'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	646 self.identical(fromHex('0x1921fb54442d180p-55'), pi)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	647
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	648
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	649 # results that should overflow...
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	650 self.assertRaises(OverflowError, fromHex, '-0x1p1024')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	651 self.assertRaises(OverflowError, fromHex, '0x1p+1025')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	652 self.assertRaises(OverflowError, fromHex, '+0X1p1030')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	653 self.assertRaises(OverflowError, fromHex, '-0x1p+1100')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	654 self.assertRaises(OverflowError, fromHex, '0X1p123456789123456789')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	655 self.assertRaises(OverflowError, fromHex, '+0X.8p+1025')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	656 self.assertRaises(OverflowError, fromHex, '+0x0.8p1025')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	657 self.assertRaises(OverflowError, fromHex, '-0x0.4p1026')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	658 self.assertRaises(OverflowError, fromHex, '0X2p+1023')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	659 self.assertRaises(OverflowError, fromHex, '0x2.p1023')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	660 self.assertRaises(OverflowError, fromHex, '-0x2.0p+1023')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	661 self.assertRaises(OverflowError, fromHex, '+0X4p+1022')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	662 self.assertRaises(OverflowError, fromHex, '0x1.ffffffffffffffp+1023')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	663 self.assertRaises(OverflowError, fromHex, '-0X1.fffffffffffff9p1023')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	664 self.assertRaises(OverflowError, fromHex, '0X1.fffffffffffff8p1023')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	665 self.assertRaises(OverflowError, fromHex, '+0x3.fffffffffffffp1022')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	666 self.assertRaises(OverflowError, fromHex, '0x3fffffffffffffp+970')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	667 self.assertRaises(OverflowError, fromHex, '0x10000000000000000p960')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	668 self.assertRaises(OverflowError, fromHex, '-0Xffffffffffffffffp960')
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	669
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	670 # ...and those that round to +-max float
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	671 self.identical(fromHex('+0x1.fffffffffffffp+1023'), MAX)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	672 self.identical(fromHex('-0X1.fffffffffffff7p1023'), -MAX)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	673 self.identical(fromHex('0X1.fffffffffffff7fffffffffffffp1023'), MAX)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	674
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	675 # zeros
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	676 self.identical(fromHex('0x0p0'), 0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	677 self.identical(fromHex('0x0p1000'), 0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	678 self.identical(fromHex('-0x0p1023'), -0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	679 self.identical(fromHex('0X0p1024'), 0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	680 self.identical(fromHex('-0x0p1025'), -0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	681 self.identical(fromHex('0X0p2000'), 0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	682 self.identical(fromHex('0x0p123456789123456789'), 0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	683 self.identical(fromHex('-0X0p-0'), -0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	684 self.identical(fromHex('-0X0p-1000'), -0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	685 self.identical(fromHex('0x0p-1023'), 0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	686 self.identical(fromHex('-0X0p-1024'), -0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	687 self.identical(fromHex('-0x0p-1025'), -0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	688 self.identical(fromHex('-0x0p-1072'), -0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	689 self.identical(fromHex('0X0p-1073'), 0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	690 self.identical(fromHex('-0x0p-1074'), -0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	691 self.identical(fromHex('0x0p-1075'), 0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	692 self.identical(fromHex('0X0p-1076'), 0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	693 self.identical(fromHex('-0X0p-2000'), -0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	694 self.identical(fromHex('-0x0p-123456789123456789'), -0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	695
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	696 # values that should underflow to 0
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	697 self.identical(fromHex('0X1p-1075'), 0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	698 self.identical(fromHex('-0X1p-1075'), -0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	699 self.identical(fromHex('-0x1p-123456789123456789'), -0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	700 self.identical(fromHex('0x1.00000000000000001p-1075'), TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	701 self.identical(fromHex('-0x1.1p-1075'), -TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	702 self.identical(fromHex('0x1.fffffffffffffffffp-1075'), TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	703
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	704 # check round-half-even is working correctly near 0 ...
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	705 self.identical(fromHex('0x1p-1076'), 0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	706 self.identical(fromHex('0X2p-1076'), 0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	707 self.identical(fromHex('0X3p-1076'), TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	708 self.identical(fromHex('0x4p-1076'), TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	709 self.identical(fromHex('0X5p-1076'), TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	710 self.identical(fromHex('0X6p-1076'), 2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	711 self.identical(fromHex('0x7p-1076'), 2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	712 self.identical(fromHex('0X8p-1076'), 2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	713 self.identical(fromHex('0X9p-1076'), 2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	714 self.identical(fromHex('0xap-1076'), 2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	715 self.identical(fromHex('0Xbp-1076'), 3*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	716 self.identical(fromHex('0xcp-1076'), 3*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	717 self.identical(fromHex('0Xdp-1076'), 3*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	718 self.identical(fromHex('0Xep-1076'), 4*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	719 self.identical(fromHex('0xfp-1076'), 4*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	720 self.identical(fromHex('0x10p-1076'), 4*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	721 self.identical(fromHex('-0x1p-1076'), -0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	722 self.identical(fromHex('-0X2p-1076'), -0.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	723 self.identical(fromHex('-0x3p-1076'), -TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	724 self.identical(fromHex('-0X4p-1076'), -TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	725 self.identical(fromHex('-0x5p-1076'), -TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	726 self.identical(fromHex('-0x6p-1076'), -2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	727 self.identical(fromHex('-0X7p-1076'), -2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	728 self.identical(fromHex('-0X8p-1076'), -2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	729 self.identical(fromHex('-0X9p-1076'), -2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	730 self.identical(fromHex('-0Xap-1076'), -2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	731 self.identical(fromHex('-0xbp-1076'), -3*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	732 self.identical(fromHex('-0xcp-1076'), -3*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	733 self.identical(fromHex('-0Xdp-1076'), -3*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	734 self.identical(fromHex('-0xep-1076'), -4*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	735 self.identical(fromHex('-0Xfp-1076'), -4*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	736 self.identical(fromHex('-0X10p-1076'), -4*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	737
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	738 # ... and near MIN ...
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	739 self.identical(fromHex('0x0.ffffffffffffd6p-1022'), MIN-3*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	740 self.identical(fromHex('0x0.ffffffffffffd8p-1022'), MIN-2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	741 self.identical(fromHex('0x0.ffffffffffffdap-1022'), MIN-2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	742 self.identical(fromHex('0x0.ffffffffffffdcp-1022'), MIN-2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	743 self.identical(fromHex('0x0.ffffffffffffdep-1022'), MIN-2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	744 self.identical(fromHex('0x0.ffffffffffffe0p-1022'), MIN-2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	745 self.identical(fromHex('0x0.ffffffffffffe2p-1022'), MIN-2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	746 self.identical(fromHex('0x0.ffffffffffffe4p-1022'), MIN-2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	747 self.identical(fromHex('0x0.ffffffffffffe6p-1022'), MIN-2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	748 self.identical(fromHex('0x0.ffffffffffffe8p-1022'), MIN-2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	749 self.identical(fromHex('0x0.ffffffffffffeap-1022'), MIN-TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	750 self.identical(fromHex('0x0.ffffffffffffecp-1022'), MIN-TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	751 self.identical(fromHex('0x0.ffffffffffffeep-1022'), MIN-TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	752 self.identical(fromHex('0x0.fffffffffffff0p-1022'), MIN-TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	753 self.identical(fromHex('0x0.fffffffffffff2p-1022'), MIN-TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	754 self.identical(fromHex('0x0.fffffffffffff4p-1022'), MIN-TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	755 self.identical(fromHex('0x0.fffffffffffff6p-1022'), MIN-TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	756 self.identical(fromHex('0x0.fffffffffffff8p-1022'), MIN)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	757 self.identical(fromHex('0x0.fffffffffffffap-1022'), MIN)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	758 self.identical(fromHex('0x0.fffffffffffffcp-1022'), MIN)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	759 self.identical(fromHex('0x0.fffffffffffffep-1022'), MIN)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	760 self.identical(fromHex('0x1.00000000000000p-1022'), MIN)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	761 self.identical(fromHex('0x1.00000000000002p-1022'), MIN)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	762 self.identical(fromHex('0x1.00000000000004p-1022'), MIN)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	763 self.identical(fromHex('0x1.00000000000006p-1022'), MIN)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	764 self.identical(fromHex('0x1.00000000000008p-1022'), MIN)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	765 self.identical(fromHex('0x1.0000000000000ap-1022'), MIN+TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	766 self.identical(fromHex('0x1.0000000000000cp-1022'), MIN+TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	767 self.identical(fromHex('0x1.0000000000000ep-1022'), MIN+TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	768 self.identical(fromHex('0x1.00000000000010p-1022'), MIN+TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	769 self.identical(fromHex('0x1.00000000000012p-1022'), MIN+TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	770 self.identical(fromHex('0x1.00000000000014p-1022'), MIN+TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	771 self.identical(fromHex('0x1.00000000000016p-1022'), MIN+TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	772 self.identical(fromHex('0x1.00000000000018p-1022'), MIN+2*TINY)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	773
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	774 # ... and near 1.0.
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	775 self.identical(fromHex('0x0.fffffffffffff0p0'), 1.0-EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	776 self.identical(fromHex('0x0.fffffffffffff1p0'), 1.0-EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	777 self.identical(fromHex('0X0.fffffffffffff2p0'), 1.0-EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	778 self.identical(fromHex('0x0.fffffffffffff3p0'), 1.0-EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	779 self.identical(fromHex('0X0.fffffffffffff4p0'), 1.0-EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	780 self.identical(fromHex('0X0.fffffffffffff5p0'), 1.0-EPS/2)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	781 self.identical(fromHex('0X0.fffffffffffff6p0'), 1.0-EPS/2)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	782 self.identical(fromHex('0x0.fffffffffffff7p0'), 1.0-EPS/2)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	783 self.identical(fromHex('0x0.fffffffffffff8p0'), 1.0-EPS/2)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	784 self.identical(fromHex('0X0.fffffffffffff9p0'), 1.0-EPS/2)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	785 self.identical(fromHex('0X0.fffffffffffffap0'), 1.0-EPS/2)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	786 self.identical(fromHex('0x0.fffffffffffffbp0'), 1.0-EPS/2)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	787 self.identical(fromHex('0X0.fffffffffffffcp0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	788 self.identical(fromHex('0x0.fffffffffffffdp0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	789 self.identical(fromHex('0X0.fffffffffffffep0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	790 self.identical(fromHex('0x0.ffffffffffffffp0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	791 self.identical(fromHex('0X1.00000000000000p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	792 self.identical(fromHex('0X1.00000000000001p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	793 self.identical(fromHex('0x1.00000000000002p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	794 self.identical(fromHex('0X1.00000000000003p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	795 self.identical(fromHex('0x1.00000000000004p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	796 self.identical(fromHex('0X1.00000000000005p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	797 self.identical(fromHex('0X1.00000000000006p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	798 self.identical(fromHex('0X1.00000000000007p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	799 self.identical(fromHex('0x1.00000000000007ffffffffffffffffffffp0'),
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	800 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	801 self.identical(fromHex('0x1.00000000000008p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	802 self.identical(fromHex('0x1.00000000000008000000000000000001p0'),
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	803 1+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	804 self.identical(fromHex('0X1.00000000000009p0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	805 self.identical(fromHex('0x1.0000000000000ap0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	806 self.identical(fromHex('0x1.0000000000000bp0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	807 self.identical(fromHex('0X1.0000000000000cp0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	808 self.identical(fromHex('0x1.0000000000000dp0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	809 self.identical(fromHex('0x1.0000000000000ep0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	810 self.identical(fromHex('0X1.0000000000000fp0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	811 self.identical(fromHex('0x1.00000000000010p0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	812 self.identical(fromHex('0X1.00000000000011p0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	813 self.identical(fromHex('0x1.00000000000012p0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	814 self.identical(fromHex('0X1.00000000000013p0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	815 self.identical(fromHex('0X1.00000000000014p0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	816 self.identical(fromHex('0x1.00000000000015p0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	817 self.identical(fromHex('0x1.00000000000016p0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	818 self.identical(fromHex('0X1.00000000000017p0'), 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	819 self.identical(fromHex('0x1.00000000000017ffffffffffffffffffffp0'),
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	820 1.0+EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	821 self.identical(fromHex('0x1.00000000000018p0'), 1.0+2*EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	822 self.identical(fromHex('0X1.00000000000018000000000000000001p0'),
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	823 1.0+2*EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	824 self.identical(fromHex('0x1.00000000000019p0'), 1.0+2*EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	825 self.identical(fromHex('0X1.0000000000001ap0'), 1.0+2*EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	826 self.identical(fromHex('0X1.0000000000001bp0'), 1.0+2*EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	827 self.identical(fromHex('0x1.0000000000001cp0'), 1.0+2*EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	828 self.identical(fromHex('0x1.0000000000001dp0'), 1.0+2*EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	829 self.identical(fromHex('0x1.0000000000001ep0'), 1.0+2*EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	830 self.identical(fromHex('0X1.0000000000001fp0'), 1.0+2*EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	831 self.identical(fromHex('0x1.00000000000020p0'), 1.0+2*EPS)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	832
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	833 def test_roundtrip(self):
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	834 def roundtrip(x):
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	835 return fromHex(toHex(x))
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	836
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	837 for x in [NAN, INF, self.MAX, self.MIN, self.MIN-self.TINY, self.TINY, 0.0]:
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	838 self.identical(x, roundtrip(x))
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	839 self.identical(-x, roundtrip(-x))
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	840
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	841 # fromHex(toHex(x)) should exactly recover x, for any non-NaN float x.
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	842 import random
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	843 for i in xrange(10000):
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	844 e = random.randrange(-1200, 1200)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	845 m = random.random()
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	846 s = random.choice([1.0, -1.0])
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	847 try:
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	848 x = s*ldexp(m, e)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	849 except OverflowError:
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	850 pass
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	851 else:
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	852 self.identical(x, fromHex(toHex(x)))
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	853
46473 5bc7b20dc04a I finally got the time to update and merge Mark's and my trunk-math branch. The patch is collaborated work of Mark Dickinson and me. It was mostly done a few months ago. The patch fixes a lot of loose ends and edge cases related to operations with NaN, INF, very small values and complex math. Christian Heimes <christian@cheimes.de> parents: 44482 diff changeset	854
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	855 def test_main():
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	856 test_support.run_unittest(
49054 e27cf7ee2968 #3796: A test class was not run in test_float. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48816 diff changeset	857 GeneralFloatCases,
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	858 FormatFunctionsTestCase,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	859 UnknownFormatTestCase,
44262 24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	860 IEEEFormatTestCase,
44344 1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	861 ReprTestCase,
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	862 InfNanTest,
47966 97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	863 HexFloatTestCase,
44267 f909872917b9 The new float repr causes too much trouble and pain. I'm disabling the feature until we have sorted out the issues on all machines. 64bit machines seem to have issues and Guido has reported even worse. Christian Heimes <christian@cheimes.de> parents: 44262 diff changeset	864 )
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	865
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	866 if __name__ == '__main__':
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	867 test_main()

Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_float.py @ 57303:4aa4c19dfaed legacy-trunk