Python log1p Examples

Example #1

File: test_umath.py Project: ives560/apollo-r1.0.0

 def test_special(self):
     assert_equal(ncu.log1p(np.nan), np.nan)
     assert_equal(ncu.log1p(np.inf), np.inf)
     with np.errstate(divide="ignore"):
         assert_equal(ncu.log1p(-1.), -np.inf)
     with np.errstate(invalid="ignore"):
         assert_equal(ncu.log1p(-2.), np.nan)
         assert_equal(ncu.log1p(-np.inf), np.nan)

Example #2

File: test_umath.py Project: pombredanne/linuxtrail

 def test_special(self):
     assert_equal(ncu.log1p(np.nan), np.nan)
     assert_equal(ncu.log1p(np.inf), np.inf)
     with np.errstate(divide="ignore"):
         assert_equal(ncu.log1p(-1.0), -np.inf)
     with np.errstate(invalid="ignore"):
         assert_equal(ncu.log1p(-2.0), np.nan)
         assert_equal(ncu.log1p(-np.inf), np.nan)

Example #3

File: test_umath.py Project: jarrodmillman/numpy

 def test_log1p(self):
     assert_almost_equal(ncu.log1p(0.2), ncu.log(1.2))
     assert_almost_equal(ncu.log1p(1e-6), ncu.log(1 + 1e-6))

Example #4

File: test_umath.py Project: darlinghq/darling-python_modules

 def test_log1p(self):
     assert_almost_equal(ncu.log1p(0.2), ncu.log(1.2))
     assert_almost_equal(ncu.log1p(1e-6), ncu.log(1 + 1e-6))