test_math.py - OpenGrok cross reference for /third_party/python/Lib/test/test

Lines Matching refs:ldexp
632         # different algorithm based on frexp, ldexp and integer
647                 mant, exp = int(math.ldexp(mant, mant_dig)), exp - mant_dig
663             return math.ldexp(tmant, texp)
1112         self.assertRaises(TypeError, math.ldexp)
1113         self.ftest('ldexp(0,1)', math.ldexp(0,1), 0)
1114         self.ftest('ldexp(1,1)', math.ldexp(1,1), 2)
1115         self.ftest('ldexp(1,-1)', math.ldexp(1,-1), 0.5)
1116         self.ftest('ldexp(-1,1)', math.ldexp(-1,1), -2)
1117         self.assertRaises(OverflowError, math.ldexp, 1., 1000000)
1118         self.assertRaises(OverflowError, math.ldexp, -1., 1000000)
1119         self.assertEqual(math.ldexp(1., -1000000), 0.)
1120         self.assertEqual(math.ldexp(-1., -1000000), -0.)
1121         self.assertEqual(math.ldexp(INF, 30), INF)
1122         self.assertEqual(math.ldexp(NINF, -213), NINF)
1123         self.assertTrue(math.isnan(math.ldexp(NAN, 0)))
1127             self.assertEqual(math.ldexp(INF, -n), INF)
1128             self.assertEqual(math.ldexp(NINF, -n), NINF)
1129             self.assertEqual(math.ldexp(1., -n), 0.)
1130             self.assertEqual(math.ldexp(-1., -n), -0.)
1131             self.assertEqual(math.ldexp(0., -n), 0.)
1132             self.assertEqual(math.ldexp(-0., -n), -0.)
1133             self.assertTrue(math.isnan(math.ldexp(NAN, -n)))
1135             self.assertRaises(OverflowError, math.ldexp, 1., n)
1136             self.assertRaises(OverflowError, math.ldexp, -1., n)
1137             self.assertEqual(math.ldexp(0., n), 0.)
1138             self.assertEqual(math.ldexp(-0., n), -0.)
1139             self.assertEqual(math.ldexp(INF, n), INF)
1140             self.assertEqual(math.ldexp(NINF, n), NINF)
1141             self.assertTrue(math.isnan(math.ldexp(NAN, n)))
1189         actual = [math.log2(math.ldexp(1.0, n)) for n in range(-1074, 1024)]