/usr/lib/python3/dist-packages/pyutilib/math/tests/test_numtypes.py is in python3-pyutilib 5.3.5-1.
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# Unit Tests for numtypes
#
#
import os
import unittest
import pyutilib.math
class NumTypesDebug(unittest.TestCase):
def test_infinity1(self):
# Check that infinity is defined appropriately
if 1 > pyutilib.math.infinity:
self.fail("test_infinity")
if not ((1.0/pyutilib.math.infinity) == 0.0):
self.fail("test_infinity - 1/infinity is not zero")
if pyutilib.math.is_finite(pyutilib.math.infinity):
self.fail("test_infinity - infinity is finite")
if pyutilib.math.is_finite(- pyutilib.math.infinity):
self.fail("test_infinity - -infinity is finite")
if not pyutilib.math.is_finite(1.0):
self.fail("test_infinity - 1.0 is not finite")
if pyutilib.math.is_finite(None):
self.fail("test_infinity - None is not infinite")
if pyutilib.math.is_finite('foo'):
self.fail("test_infinity - 'foo' is not infinite")
def test_nan(self):
# Check that nan is defined appropriately
if not type(pyutilib.math.nan) is type(1.0):
self.fail("test_nan")
if not pyutilib.math.is_nan(pyutilib.math.infinity/pyutilib.math.infinity):
self.fail("test_nan - infinity/infinity is not NaN")
if pyutilib.math.is_nan(1.0/pyutilib.math.infinity):
self.fail("test_nan - 1.0/infinity is NaN")
if pyutilib.math.is_nan(None):
self.fail("test_nan - None is not NaN")
if pyutilib.math.is_nan('foo'):
self.fail("test_nan - 'foo' is not NaN")
if __name__ == "__main__":
unittest.main()
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