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

Lines Matching refs:copysign
431         self.assertEqual(math.copysign(1, 42), 1.0)
432         self.assertEqual(math.copysign(0., 42), 0.0)
433         self.assertEqual(math.copysign(1., -42), -1.0)
434         self.assertEqual(math.copysign(3, 0.), 3.0)
435         self.assertEqual(math.copysign(4., -0.), -4.0)
437         self.assertRaises(TypeError, math.copysign)
438         # copysign should let us distinguish signs of zeros
439         self.assertEqual(math.copysign(1., 0.), 1.)
440         self.assertEqual(math.copysign(1., -0.), -1.)
441         self.assertEqual(math.copysign(INF, 0.), INF)
442         self.assertEqual(math.copysign(INF, -0.), NINF)
443         self.assertEqual(math.copysign(NINF, 0.), INF)
444         self.assertEqual(math.copysign(NINF, -0.), NINF)
446         self.assertEqual(math.copysign(1., INF), 1.)
447         self.assertEqual(math.copysign(1., NINF), -1.)
448         self.assertEqual(math.copysign(INF, INF), INF)
449         self.assertEqual(math.copysign(INF, NINF), NINF)
450         self.assertEqual(math.copysign(NINF, INF), INF)
451         self.assertEqual(math.copysign(NINF, NINF), NINF)
452         self.assertTrue(math.isnan(math.copysign(NAN, 1.)))
453         self.assertTrue(math.isnan(math.copysign(NAN, INF)))
454         self.assertTrue(math.isnan(math.copysign(NAN, NINF)))
455         self.assertTrue(math.isnan(math.copysign(NAN, NAN)))
456         # copysign(INF, NAN) may be INF or it may be NINF, since
459         self.assertTrue(math.isinf(math.copysign(INF, NAN)))
460         # similarly, copysign(2., NAN) could be 2. or -2.
461         self.assertEqual(abs(math.copysign(2., NAN)), 2.)
785             math.copysign(1.0, hypot(-0.0))        # Convert negative zero to positive zero
938             math.copysign(1.0, dist((-0.0,), (0.0,)))
941             math.copysign(1.0, dist((0.0,), (-0.0,)))
1571         self.assertEqual(math.copysign(1., math.tanh(-0.)),
1572                          math.copysign(1., -0.))
2098         # copysign(), or remainder() cannot be converted to a float.
2103         for func in math.atan2, math.copysign, math.remainder:
2119         """Similar to assertEqual(), but compare also the sign with copysign().
2124         self.assertEqual(math.copysign(1.0, x), math.copysign(1.0, y))