cpython-lru_cache-weakref: Lib/test/test

annotate Lib/test/test_float.py @ 54294:dba767bc3155 legacy-trunk

remove mention of old ctypes version

author	Benjamin Peterson <benjamin@python.org>
date	Sat, 23 May 2009 20:59:09 +0000
parents	119f4232af46
children	6768b2350c57

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 # Implementation limitation in PyFloat_FromString()
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	35 self.assertRaises(ValueError, float, unicode("1"*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	36
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	37 @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	38 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	39 # 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	40 # 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	41 # 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	42 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	43 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	44 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	45
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 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	47 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	48 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	49 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	50 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	51 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	52 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	53 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	54 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	55 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	56 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	57 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	58 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	59 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	60 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	61 self.assertEqual(float(" 25.e-1 "), 2.5)
49061 fdc0948c95cf fix missing module Benjamin Peterson <benjamin@python.org> parents: 49054 diff changeset	62 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	63
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 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	65 # 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	66 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	67 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	68 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	69
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 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	71 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	72 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	73
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 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	75 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	76 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	77
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 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	79 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	80 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	81
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 __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	83 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	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 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	86 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	87 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	88
53162 6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	89 # 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	90 # unicode subclasses).
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	91 class FooStr(str):
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	92 def __float__(self):
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	93 return float(str(self)) + 1
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	94
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	95 class FooUnicode(unicode):
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	96 def __float__(self):
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	97 return float(unicode(self)) + 1
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	98
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	99 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	100 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	101 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	102 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	103 self.assertRaises(TypeError, float, Foo4(42))
53162 6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	104 self.assertAlmostEqual(float(FooUnicode('8')), 9.)
6bcdc131f53c Merged revisions 71627 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 49061 diff changeset	105 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	106
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 46473 diff changeset	107 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	108 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	109 (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	110 (-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	111 (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	112 (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	113 ]:
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 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	115
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 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	117 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	118 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	119 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	120 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	121
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 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	123 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	124 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	125 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	126 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	127 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	128 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	129 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	130 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	131 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	132 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	133 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	134 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	135
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.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	137 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	138 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	139
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	140 class FormatFunctionsTestCase(unittest.TestCase):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	141
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	142 def setUp(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	143 self.save_formats = {'double':float.__getformat__('double'),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	144 'float':float.__getformat__('float')}
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	145
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	146 def tearDown(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	147 float.__setformat__('double', self.save_formats['double'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	148 float.__setformat__('float', self.save_formats['float'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	149
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	150 def test_getformat(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	151 self.assert_(float.__getformat__('double') in
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	152 ['unknown', 'IEEE, big-endian', 'IEEE, little-endian'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	153 self.assert_(float.__getformat__('float') in
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	154 ['unknown', 'IEEE, big-endian', 'IEEE, little-endian'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	155 self.assertRaises(ValueError, float.__getformat__, 'chicken')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	156 self.assertRaises(TypeError, float.__getformat__, 1)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	157
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	158 def test_setformat(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	159 for t in 'double', 'float':
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	160 float.__setformat__(t, 'unknown')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	161 if self.save_formats[t] == 'IEEE, big-endian':
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	162 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	163 t, 'IEEE, little-endian')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	164 elif self.save_formats[t] == 'IEEE, little-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, big-endian')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	167 else:
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 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	171 t, 'IEEE, little-endian')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	172 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	173 t, 'chicken')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	174 self.assertRaises(ValueError, float.__setformat__,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	175 'chicken', 'unknown')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	176
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	177 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	178 LE_DOUBLE_INF = ''.join(reversed(BE_DOUBLE_INF))
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	179 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	180 LE_DOUBLE_NAN = ''.join(reversed(BE_DOUBLE_NAN))
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	181
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	182 BE_FLOAT_INF = '\x7f\x80\x00\x00'
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	183 LE_FLOAT_INF = ''.join(reversed(BE_FLOAT_INF))
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	184 BE_FLOAT_NAN = '\x7f\xc0\x00\x00'
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	185 LE_FLOAT_NAN = ''.join(reversed(BE_FLOAT_NAN))
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	186
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	187 # on non-IEEE platforms, attempting to unpack a bit pattern
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	188 # representing an infinity or a NaN should raise an exception.
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 class UnknownFormatTestCase(unittest.TestCase):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	191 def setUp(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	192 self.save_formats = {'double':float.__getformat__('double'),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	193 'float':float.__getformat__('float')}
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	194 float.__setformat__('double', 'unknown')
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	195 float.__setformat__('float', 'unknown')
35014 275843630522 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 34972 diff changeset	196
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	197 def tearDown(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	198 float.__setformat__('double', self.save_formats['double'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	199 float.__setformat__('float', self.save_formats['float'])
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	200
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	201 def test_double_specials_dont_unpack(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	202 for fmt, data in [('>d', BE_DOUBLE_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	203 ('>d', BE_DOUBLE_NAN),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	204 ('<d', LE_DOUBLE_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	205 ('<d', LE_DOUBLE_NAN)]:
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	206 self.assertRaises(ValueError, struct.unpack, fmt, data)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	207
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	208 def test_float_specials_dont_unpack(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	209 for fmt, data in [('>f', BE_FLOAT_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	210 ('>f', BE_FLOAT_NAN),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	211 ('<f', LE_FLOAT_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	212 ('<f', LE_FLOAT_NAN)]:
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	213 self.assertRaises(ValueError, struct.unpack, fmt, data)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	214
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	215
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	216 # 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	217 # 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	218 # 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	219 # 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	220
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	221 class IEEEFormatTestCase(unittest.TestCase):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	222 if float.__getformat__("double").startswith("IEEE"):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	223 def test_double_specials_do_unpack(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	224 for fmt, data in [('>d', BE_DOUBLE_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	225 ('>d', BE_DOUBLE_NAN),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	226 ('<d', LE_DOUBLE_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	227 ('<d', LE_DOUBLE_NAN)]:
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	228 struct.unpack(fmt, data)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	229
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	230 if float.__getformat__("float").startswith("IEEE"):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	231 def test_float_specials_do_unpack(self):
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	232 for fmt, data in [('>f', BE_FLOAT_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	233 ('>f', BE_FLOAT_NAN),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	234 ('<f', LE_FLOAT_INF),
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	235 ('<f', LE_FLOAT_NAN)]:
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	236 struct.unpack(fmt, data)
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	237
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	238 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	239 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	240 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	241 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	242 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	243 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	244 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	245 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	246 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	247 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	248 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	249 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	250 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	251
44482 3fcaf6cc306d Patch #1725 by Mark Dickinson, fixes incorrect conversion of -1e1000 Guido van Rossum <guido@python.org> parents: 44344 diff changeset	252 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	253 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	254 import math
3fcaf6cc306d Patch #1725 by Mark Dickinson, fixes incorrect conversion of -1e1000 Guido van Rossum <guido@python.org> parents: 44344 diff changeset	255 # 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	256 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	257 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	258 math.atan2(-0.0, -1))
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	259
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	260 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	261 # 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	262 # 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	263
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 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	265
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 # 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	267 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	268 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	269 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	270
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 # 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	272 # (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	273 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	274 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	275 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	276 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	277 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	278
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(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	280
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 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	282
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 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	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 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	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
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 # % 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	289 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	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 # 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	292 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	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 # 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	295 # 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	296 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	297 [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	298 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	299 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	300 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	301 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	302 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	303 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	304 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	305 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	306
53619 5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	307 @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	308 "test requires IEEE 754 doubles")
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	309 def test_format_testfile(self):
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	310 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	311 if line.startswith('--'):
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	312 continue
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	313 line = line.strip()
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	314 if not line:
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
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	317 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	318 fmt, arg = lhs.split()
5d9771d7cc46 Backport some of the float formatting tests from py3k. Mark Dickinson <dickinsm@gmail.com> parents: 53611 diff changeset	319 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	320 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	321
53611 a3fcccee8957 Issue #5864: format(1234.5, '.4') gives misleading result Mark Dickinson <dickinsm@gmail.com> parents: 53162 diff changeset	322 def test_issue5864(self):
a3fcccee8957 Issue #5864: format(1234.5, '.4') gives misleading result Mark Dickinson <dickinsm@gmail.com> parents: 53162 diff changeset	323 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	324 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	325 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	326
44262 24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	327 class ReprTestCase(unittest.TestCase):
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	328 def test_repr(self):
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	329 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	330 'floating_points.txt'))
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	331 for line in floats_file:
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	332 line = line.strip()
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	333 if not line or line.startswith('#'):
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	334 continue
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	335 v = eval(line)
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	336 self.assertEqual(v, eval(repr(v)))
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	337 floats_file.close()
24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	338
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	339 # 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	340 # 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	341 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	342 def test_inf_from_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	343 self.assert_(isinf(float("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	344 self.assert_(isinf(float("+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	345 self.assert_(isinf(float("-inf")))
47889 4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	346 self.assert_(isinf(float("infinity")))
4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	347 self.assert_(isinf(float("+infinity")))
4bf84035cb5f Issue 3188: accept float('infinity') as well as float('inf'). This Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	348 self.assert_(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	349
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	350 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	351 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	352 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	353 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	354 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	355 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	356
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	357 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	358 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	359 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	360 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	361 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	362 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	363
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	364 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	365 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	366 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	367 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	368 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	369 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	370
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	371 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	372 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	373 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	374 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	375 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	376 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	377 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	378 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	379 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	380 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	381
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	382 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	383 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	384 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	385
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(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	387 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	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 def test_nan_from_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	390 self.assert_(isnan(float("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	391 self.assert_(isnan(float("+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	392 self.assert_(isnan(float("-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	393
1d69aabf6f7f Applied patch #1635: Float patch for inf and nan on Windows (and other platforms). Christian Heimes <christian@cheimes.de> parents: 44267 diff changeset	394 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	395 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	396 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	397
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 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	401
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(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	403 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	404 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	405
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.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	407 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	408 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	409 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	410 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	411 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	412
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 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	414 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	415 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	416
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(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	418 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	419
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	420 def notest_float_nan(self):
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	421 self.assert_(NAN.is_nan())
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	422 self.failIf(INF.is_nan())
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 self.failIf((0.).is_nan())
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	424
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	425 def notest_float_inf(self):
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	426 self.assert_(INF.is_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	427 self.failIf(NAN.is_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	428 self.failIf((0.).is_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	429
47966 97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	430 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	431 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	432 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	433 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	434 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	435 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	436 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	437
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	438 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	439 # 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	440 # are NaNs
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	441 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	442 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	443 return
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	444 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	445 return
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	446 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	447
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	448 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	449 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	450 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	451 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	452 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	453
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	454 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	455 invalid_inputs = [
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	456 '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	457 '-Infinit',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	458 '++inf',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	459 '-+Inf',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	460 '--nan',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	461 '+-NaN',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	462 'snan',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	463 'NaNs',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	464 '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	465 'an',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	466 'nf',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	467 'nfinity',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	468 'inity',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	469 'iinity',
47966 97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	470 '0xnan',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	471 '',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	472 ' ',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	473 'x1.0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	474 '0xX1.0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	475 '+ 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	476 '- 0x1.0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	477 '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	478 '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	479 '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	480 '+0x1 .0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	481 '0x1. 0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	482 '-0x1.0 1p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	483 '-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	484 '+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	485 '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	486 '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	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', # double signs
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	490 '--0x1.0p0',
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 '-+0x1.0p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	493 '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	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 '-0x1.0p-+0',
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 '0x1.0.p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	498 '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	499 '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	500 '0x1pa',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	501 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	502 u'\uff10x1p0',
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	503 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	504 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	505 '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	506 '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	507 ]
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	508 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	509 try:
57a8735647cf Fix float.fromhex test to give additional information on failure. This Mark Dickinson <dickinsm@gmail.com> parents: 47970 diff changeset	510 result = fromHex(x)
57a8735647cf Fix float.fromhex test to give additional information on failure. This Mark Dickinson <dickinsm@gmail.com> parents: 47970 diff changeset	511 except ValueError:
57a8735647cf Fix float.fromhex test to give additional information on failure. This Mark Dickinson <dickinsm@gmail.com> parents: 47970 diff changeset	512 pass
57a8735647cf Fix float.fromhex test to give additional information on failure. This Mark Dickinson <dickinsm@gmail.com> parents: 47970 diff changeset	513 else:
57a8735647cf Fix float.fromhex test to give additional information on failure. This Mark Dickinson <dickinsm@gmail.com> parents: 47970 diff changeset	514 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	515 '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	516
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	517
54000 119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	518 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	519 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	520 ('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	521 ('-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	522 ('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	523 ('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	524 ('-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	525 ('-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	526 ]
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	527 whitespace = [
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	528 '',
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 '\t',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	531 '\n',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	532 '\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	533 '\f',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	534 '\v',
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	535 '\r'
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	536 ]
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	537 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	538 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	539 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	540 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	541 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	542
119f4232af46 Issue #5981: Fix some float.fromhex bugs related to inf and nan handling. Mark Dickinson <dickinsm@gmail.com> parents: 53802 diff changeset	543
47966 97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	544 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	545 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	546 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	547 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	548 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	549
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	550 # 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	551 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	552 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	553 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	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('Infinity'), 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('+INFINITY'), 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('-infinity'), -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
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	560 # 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	561 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	562 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	563 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	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
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	566 # 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	567 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	568 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	569 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	570 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	571 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	572 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	573 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	574 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	575 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	576 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	577 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	578 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	579 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	580 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	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('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	583 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	584 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	585 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	586 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	587 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	588 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	589 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	590 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	591 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	592 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	593 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	594 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	595 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	596 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	597 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	598 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	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('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	601 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	602 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	603 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	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('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	606 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	607 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	608
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	609 # 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	610 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	611 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	612 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	613 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	614 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	615 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	616 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	617 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	618 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	619 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	620 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	621 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	622 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	623 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	624 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	625 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	626 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	627 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	628 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	629 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	630 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	631 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	632 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	633 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	634 # ...
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('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	636 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	637 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	638 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	639 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	640 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	641 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	642 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	643 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	644
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	645
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	646 # 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	647 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	648 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	649 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	650 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	651 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	652 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	653 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	654 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	655 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	656 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	657 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	658 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	659 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	660 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	661 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	662 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	663 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	664 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	665 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	666
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	667 # ...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	668 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	669 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	670 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	671
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	672 # zeros
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('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	674 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	675 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	676 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	677 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	678 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	679 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	680 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	681 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	682 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	683 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	684 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	685 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	686 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	687 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	688 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	689 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	690 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	691 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	692
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	693 # 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	694 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	695 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	696 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	697 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	698 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	699 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	700
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	701 # 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	702 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	703 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	704 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	705 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	706 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	707 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	708 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	709 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	710 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	711 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	712 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	713 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	714 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	715 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	716 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	717 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	718 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	719 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	720 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	721 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	722 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	723 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	724 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	725 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	726 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	727 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	728 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	729 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	730 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	731 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	732 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	733 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	734
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	735 # ... 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	736 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	737 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	738 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	739 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	740 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	741 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	742 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	743 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	744 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	745 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	746 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	747 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	748 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	749 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	750 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	751 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	752 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	753 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	754 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	755 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	756 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	757 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	758 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	759 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	760 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	761 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	762 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	763 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	764 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	765 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	766 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	767 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	768 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	769 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	770
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	771 # ... 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	772 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	773 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	774 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	775 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	776 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	777 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	778 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	779 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	780 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	781 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	782 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	783 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	784 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	785 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	786 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	787 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	788 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	789 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	790 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	791 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	792 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	793 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	794 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	795 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	796 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	797 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('0x1.00000000000008p0'), 1.0)
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	799 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	800 1+EPS)
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('0X1.00000000000009p0'), 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	802 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	803 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	804 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	805 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	806 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	807 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	808 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	809 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	810 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	811 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	812 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	813 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	814 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	815 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	816 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	817 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('0x1.00000000000018p0'), 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	819 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	820 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	821 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	822 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	823 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	824 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	825 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	826 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	827 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	828 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	829
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	830 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	831 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	832 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	833
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	834 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	835 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	836 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	837
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	838 # 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	839 import random
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	840 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	841 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	842 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	843 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	844 try:
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	845 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	846 except OverflowError:
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	847 pass
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	848 else:
97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	849 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	850
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	851
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	852 def test_main():
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	853 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	854 GeneralFloatCases,
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	855 FormatFunctionsTestCase,
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	856 UnknownFormatTestCase,
44262 24749a380409 Backport of r59456:59458 from py3k to trunk Christian Heimes <christian@cheimes.de> parents: 42704 diff changeset	857 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	858 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	859 InfNanTest,
47966 97ba936e8df8 Issue #3008: add instance method float.hex and class method float.fromhex Mark Dickinson <dickinsm@gmail.com> parents: 47889 diff changeset	860 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	861 )
34972 1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	862
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	863 if __name__ == '__main__':
1dd8a0d64432 This is my patch: Michael W. Hudson <mwh@python.net> parents: diff changeset	864 test_main()

Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_float.py @ 54294:dba767bc3155 legacy-trunk