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Direktori : /opt/alt/python37/lib64/python3.7/site-packages/numpy/core/tests/ |
Current File : //opt/alt/python37/lib64/python3.7/site-packages/numpy/core/tests/test_machar.py |
from __future__ import division, absolute_import, print_function from numpy.core.machar import MachAr import numpy.core.numerictypes as ntypes from numpy import errstate, array from numpy.testing import TestCase, run_module_suite class TestMachAr(TestCase): def _run_machar_highprec(self): # Instantiate MachAr instance with high enough precision to cause # underflow try: hiprec = ntypes.float96 MachAr(lambda v:array([v], hiprec)) except AttributeError: "Skipping test: no ntypes.float96 available on this platform." def test_underlow(self): # Regression test for #759: # instantiating MachAr for dtype = np.float96 raises spurious warning. with errstate(all='raise'): try: self._run_machar_highprec() except FloatingPointError as e: self.fail("Caught %s exception, should not have been raised." % e) if __name__ == "__main__": run_module_suite()