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[GR-10427][GR-10449] Math.pow and Math.atan2 are not fully implemented.
PullRequest: graalpython/84
2 parents 55293b9 + 4745ac6 commit 6ac6203

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‎graalpython/com.oracle.graal.python.test/src/tests/test_math.py‎

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@@ -423,6 +423,226 @@ def test_isnan(self):
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self.assertFalse(math.isnan(False))
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self.assertFalse(math.isnan(MyFloat()))
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def testPow(self):
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self.assertRaises(TypeError, math.pow)
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self.ftest('pow(0,1)', math.pow(0,1), 0)
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self.ftest('pow(1,0)', math.pow(1,0), 1)
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self.ftest('pow(2,1)', math.pow(2,1), 2)
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self.ftest('pow(2,-1)', math.pow(2,-1), 0.5)
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self.assertEqual(math.pow(INF, 1), INF)
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self.assertEqual(math.pow(NINF, 1), NINF)
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self.assertEqual((math.pow(1, INF)), 1.)
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self.assertEqual((math.pow(1, NINF)), 1.)
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self.assertTrue(math.isnan(math.pow(NAN, 1)))
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self.assertTrue(math.isnan(math.pow(2, NAN)))
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self.assertTrue(math.isnan(math.pow(0, NAN)))
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self.assertEqual(math.pow(1, NAN), 1)
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# pow(0., x)
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self.assertEqual(math.pow(0., INF), 0.)
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self.assertEqual(math.pow(0., 3.), 0.)
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self.assertEqual(math.pow(0., 2.3), 0.)
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self.assertEqual(math.pow(0., 2.), 0.)
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self.assertEqual(math.pow(0., 0.), 1.)
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self.assertEqual(math.pow(0., -0.), 1.)
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self.assertRaises(ValueError, math.pow, 0., -2.)
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self.assertRaises(ValueError, math.pow, 0., -2.3)
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self.assertRaises(ValueError, math.pow, 0., -3.)
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self.assertRaises(ValueError, math.pow, 0., NINF)
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self.assertTrue(math.isnan(math.pow(0., NAN)))
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# pow(INF, x)
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self.assertEqual(math.pow(INF, INF), INF)
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self.assertEqual(math.pow(INF, 3.), INF)
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self.assertEqual(math.pow(INF, 2.3), INF)
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self.assertEqual(math.pow(INF, 2.), INF)
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self.assertEqual(math.pow(INF, 0.), 1.)
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self.assertEqual(math.pow(INF, -0.), 1.)
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self.assertEqual(math.pow(INF, -2.), 0.)
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self.assertEqual(math.pow(INF, -2.3), 0.)
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self.assertEqual(math.pow(INF, -3.), 0.)
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self.assertEqual(math.pow(INF, NINF), 0.)
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self.assertTrue(math.isnan(math.pow(INF, NAN)))
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# pow(-0., x)
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self.assertEqual(math.pow(-0., INF), 0.)
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self.assertEqual(math.pow(-0., 3.), -0.)
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self.assertEqual(math.pow(-0., 2.3), 0.)
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self.assertEqual(math.pow(-0., 2.), 0.)
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self.assertEqual(math.pow(-0., 0.), 1.)
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self.assertEqual(math.pow(-0., -0.), 1.)
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self.assertRaises(ValueError, math.pow, -0., -2.)
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self.assertRaises(ValueError, math.pow, -0., -2.3)
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self.assertRaises(ValueError, math.pow, -0., -3.)
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self.assertRaises(ValueError, math.pow, -0., NINF)
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self.assertTrue(math.isnan(math.pow(-0., NAN)))
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# pow(NINF, x)
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self.assertEqual(math.pow(NINF, INF), INF)
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self.assertEqual(math.pow(NINF, 3.), NINF)
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self.assertEqual(math.pow(NINF, 2.3), INF)
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self.assertEqual(math.pow(NINF, 2.), INF)
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self.assertEqual(math.pow(NINF, 0.), 1.)
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self.assertEqual(math.pow(NINF, -0.), 1.)
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self.assertEqual(math.pow(NINF, -2.), 0.)
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self.assertEqual(math.pow(NINF, -2.3), 0.)
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self.assertEqual(math.pow(NINF, -3.), -0.)
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self.assertEqual(math.pow(NINF, NINF), 0.)
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self.assertTrue(math.isnan(math.pow(NINF, NAN)))
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# pow(-1, x)
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self.assertEqual(math.pow(-1., INF), 1.)
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self.assertEqual(math.pow(-1., 3.), -1.)
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self.assertRaises(ValueError, math.pow, -1., 2.3)
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self.assertEqual(math.pow(-1., 2.), 1.)
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self.assertEqual(math.pow(-1., 0.), 1.)
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self.assertEqual(math.pow(-1., -0.), 1.)
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self.assertEqual(math.pow(-1., -2.), 1.)
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self.assertRaises(ValueError, math.pow, -1., -2.3)
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self.assertEqual(math.pow(-1., -3.), -1.)
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self.assertEqual(math.pow(-1., NINF), 1.)
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self.assertTrue(math.isnan(math.pow(-1., NAN)))
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# pow(1, x)
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self.assertEqual(math.pow(1., INF), 1.)
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self.assertEqual(math.pow(1., 3.), 1.)
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self.assertEqual(math.pow(1., 2.3), 1.)
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self.assertEqual(math.pow(1., 2.), 1.)
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self.assertEqual(math.pow(1., 0.), 1.)
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self.assertEqual(math.pow(1., -0.), 1.)
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self.assertEqual(math.pow(1., -2.), 1.)
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self.assertEqual(math.pow(1., -2.3), 1.)
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self.assertEqual(math.pow(1., -3.), 1.)
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self.assertEqual(math.pow(1., NINF), 1.)
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self.assertEqual(math.pow(1., NAN), 1.)
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# pow(x, 0) should be 1 for any x
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self.assertEqual(math.pow(2.3, 0.), 1.)
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self.assertEqual(math.pow(-2.3, 0.), 1.)
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self.assertEqual(math.pow(NAN, 0.), 1.)
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self.assertEqual(math.pow(2.3, -0.), 1.)
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self.assertEqual(math.pow(-2.3, -0.), 1.)
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self.assertEqual(math.pow(NAN, -0.), 1.)
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# pow(x, y) is invalid if x is negative and y is not integral
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self.assertRaises(ValueError, math.pow, -1., 2.3)
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self.assertRaises(ValueError, math.pow, -15., -3.1)
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# pow(x, NINF)
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self.assertEqual(math.pow(1.9, NINF), 0.)
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self.assertEqual(math.pow(1.1, NINF), 0.)
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self.assertEqual(math.pow(0.9, NINF), INF)
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self.assertEqual(math.pow(0.1, NINF), INF)
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self.assertEqual(math.pow(-0.1, NINF), INF)
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self.assertEqual(math.pow(-0.9, NINF), INF)
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self.assertEqual(math.pow(-1.1, NINF), 0.)
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self.assertEqual(math.pow(-1.9, NINF), 0.)
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# pow(x, INF)
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self.assertEqual(math.pow(1.9, INF), INF)
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self.assertEqual(math.pow(1.1, INF), INF)
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self.assertEqual(math.pow(0.9, INF), 0.)
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self.assertEqual(math.pow(0.1, INF), 0.)
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self.assertEqual(math.pow(-0.1, INF), 0.)
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self.assertEqual(math.pow(-0.9, INF), 0.)
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self.assertEqual(math.pow(-1.1, INF), INF)
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self.assertEqual(math.pow(-1.9, INF), INF)
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# pow(x, y) should work for x negative, y an integer
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self.ftest('(-2.)**3.', math.pow(-2.0, 3.0), -8.0)
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self.ftest('(-2.)**2.', math.pow(-2.0, 2.0), 4.0)
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self.ftest('(-2.)**1.', math.pow(-2.0, 1.0), -2.0)
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self.ftest('(-2.)**0.', math.pow(-2.0, 0.0), 1.0)
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self.ftest('(-2.)**-0.', math.pow(-2.0, -0.0), 1.0)
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self.ftest('(-2.)**-1.', math.pow(-2.0, -1.0), -0.5)
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self.ftest('(-2.)**-2.', math.pow(-2.0, -2.0), 0.25)
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self.ftest('(-2.)**-3.', math.pow(-2.0, -3.0), -0.125)
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self.assertRaises(ValueError, math.pow, -2.0, -0.5)
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self.assertRaises(ValueError, math.pow, -2.0, 0.5)
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self.assertRaises(OverflowError, math.pow, 999999999999999999999999999, 999999999999999999999999999)
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# testing specializations
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self.assertEqual(math.pow(0, 999999999999999999999999999), 0)
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self.assertEqual(math.pow(999999999999999999999999999, 0), 1)
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self.assertEqual(math.pow(0.0, 999999999999999999999999999), 0)
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self.assertEqual(math.pow(999999999999999999999999999, 0.0), 1)
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class MyNumber():
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def __float__(self):
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return -2.;
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self.ftest('MyFloat()**-3.', math.pow(MyNumber(), -3.0), -0.125)
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def testAtan2(self):
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self.assertRaises(TypeError, math.atan2)
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self.ftest('atan2(-1, 0)', math.atan2(-1, 0), -math.pi/2)
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self.ftest('atan2(-1, 1)', math.atan2(-1, 1), -math.pi/4)
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self.ftest('atan2(0, 1)', math.atan2(0, 1), 0)
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self.ftest('atan2(1, 1)', math.atan2(1, 1), math.pi/4)
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self.ftest('atan2(1, 0)', math.atan2(1, 0), math.pi/2)
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# math.atan2(0, x)
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self.ftest('atan2(0., -inf)', math.atan2(0., NINF), math.pi)
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self.ftest('atan2(0., -2.3)', math.atan2(0., -2.3), math.pi)
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self.ftest('atan2(0., -0.)', math.atan2(0., -0.), math.pi)
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self.assertEqual(math.atan2(0., 0.), 0.)
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self.assertEqual(math.atan2(0., 2.3), 0.)
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self.assertEqual(math.atan2(0., INF), 0.)
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self.assertTrue(math.isnan(math.atan2(0., NAN)))
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# math.atan2(-0, x)
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self.ftest('atan2(-0., -inf)', math.atan2(-0., NINF), -math.pi)
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self.ftest('atan2(-0., -2.3)', math.atan2(-0., -2.3), -math.pi)
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self.ftest('atan2(-0., -0.)', math.atan2(-0., -0.), -math.pi)
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self.assertEqual(math.atan2(-0., 0.), -0.)
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self.assertEqual(math.atan2(-0., 2.3), -0.)
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self.assertEqual(math.atan2(-0., INF), -0.)
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self.assertTrue(math.isnan(math.atan2(-0., NAN)))
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# math.atan2(INF, x)
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self.ftest('atan2(inf, -inf)', math.atan2(INF, NINF), math.pi*3/4)
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self.ftest('atan2(inf, -2.3)', math.atan2(INF, -2.3), math.pi/2)
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self.ftest('atan2(inf, -0.)', math.atan2(INF, -0.0), math.pi/2)
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self.ftest('atan2(inf, 0.)', math.atan2(INF, 0.0), math.pi/2)
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self.ftest('atan2(inf, 2.3)', math.atan2(INF, 2.3), math.pi/2)
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self.ftest('atan2(inf, inf)', math.atan2(INF, INF), math.pi/4)
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self.assertTrue(math.isnan(math.atan2(INF, NAN)))
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# math.atan2(NINF, x)
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self.ftest('atan2(-inf, -inf)', math.atan2(NINF, NINF), -math.pi*3/4)
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self.ftest('atan2(-inf, -2.3)', math.atan2(NINF, -2.3), -math.pi/2)
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self.ftest('atan2(-inf, -0.)', math.atan2(NINF, -0.0), -math.pi/2)
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self.ftest('atan2(-inf, 0.)', math.atan2(NINF, 0.0), -math.pi/2)
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self.ftest('atan2(-inf, 2.3)', math.atan2(NINF, 2.3), -math.pi/2)
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self.ftest('atan2(-inf, inf)', math.atan2(NINF, INF), -math.pi/4)
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self.assertTrue(math.isnan(math.atan2(NINF, NAN)))
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# math.atan2(+finite, x)
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self.ftest('atan2(2.3, -inf)', math.atan2(2.3, NINF), math.pi)
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self.ftest('atan2(2.3, -0.)', math.atan2(2.3, -0.), math.pi/2)
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self.ftest('atan2(2.3, 0.)', math.atan2(2.3, 0.), math.pi/2)
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self.assertEqual(math.atan2(2.3, INF), 0.)
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self.assertTrue(math.isnan(math.atan2(2.3, NAN)))
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# math.atan2(-finite, x)
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self.ftest('atan2(-2.3, -inf)', math.atan2(-2.3, NINF), -math.pi)
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self.ftest('atan2(-2.3, -0.)', math.atan2(-2.3, -0.), -math.pi/2)
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self.ftest('atan2(-2.3, 0.)', math.atan2(-2.3, 0.), -math.pi/2)
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self.assertEqual(math.atan2(-2.3, INF), -0.)
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self.assertTrue(math.isnan(math.atan2(-2.3, NAN)))
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# math.atan2(NAN, x)
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self.assertTrue(math.isnan(math.atan2(NAN, NINF)))
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self.assertTrue(math.isnan(math.atan2(NAN, -2.3)))
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self.assertTrue(math.isnan(math.atan2(NAN, -0.)))
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self.assertTrue(math.isnan(math.atan2(NAN, 0.)))
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self.assertTrue(math.isnan(math.atan2(NAN, 2.3)))
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self.assertTrue(math.isnan(math.atan2(NAN, INF)))
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self.assertTrue(math.isnan(math.atan2(NAN, NAN)))
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# Testing specializations
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self.ftest('atan2(0.5,1)', math.atan2(0.5,1), 0.4636476090008061)
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self.ftest('atan2(1,0.5)', math.atan2(1,0.5), 1.1071487177940904)
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self.ftest('atan2(BIG_INT,BIG_INT)', math.atan2(BIG_INT,BIG_INT), 0.7853981633974483)
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self.ftest('atan2(BIG_INT,1)', math.atan2(BIG_INT,1), 1.5707963267948966)
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self.ftest('atan2(BIG_INT,0.1)', math.atan2(BIG_INT,0.1), 1.5707963267948966)
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self.ftest('atan2(MyFloat(),MyFloat())', math.atan2(MyFloat(),MyFloat()), 0.7853981633974483)
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self.ftest('atan2(BIG_INT,MyFloat())', math.atan2(BIG_INT,MyFloat()), 1.5707963267948966)
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def test_fabs(self):
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self.assertEqual(math.fabs(-1), 1)
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self.assertEqual(math.fabs(0), 0)

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