Viewing file:  test_errstate.py (1.47 KB) -rw-r--r--
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from __future__ import division, absolute_import, print_function
import platform
import pytest
import numpy as np
from numpy.testing import assert_, assert_raises
class TestErrstate(object):
@pytest.mark.skipif(platform.machine() == "armv5tel", reason="See gh-413.")
def test_invalid(self):
with np.errstate(all='raise', under='ignore'):
a = -np.arange(3)
# This should work
with np.errstate(invalid='ignore'):
np.sqrt(a)
# While this should fail!
with assert_raises(FloatingPointError):
np.sqrt(a)
def test_divide(self):
with np.errstate(all='raise', under='ignore'):
a = -np.arange(3)
# This should work
with np.errstate(divide='ignore'):
a // 0
# While this should fail!
with assert_raises(FloatingPointError):
a // 0
def test_errcall(self):
def foo(*args):
print(args)
olderrcall = np.geterrcall()
with np.errstate(call=foo):
assert_(np.geterrcall() is foo, 'call is not foo')
with np.errstate(call=None):
assert_(np.geterrcall() is None, 'call is not None')
assert_(np.geterrcall() is olderrcall, 'call is not olderrcall')
def test_errstate_decorator(self):
@np.errstate(all='ignore')
def foo():
a = -np.arange(3)
a // 0
foo()
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