54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
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import platform
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import sys
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import pytest
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from numpy.f2py.crackfortran import (
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_selected_int_kind_func as selected_int_kind,
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)
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from numpy.f2py.crackfortran import (
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_selected_real_kind_func as selected_real_kind,
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)
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from . import util
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class TestKind(util.F2PyTest):
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sources = [util.getpath("tests", "src", "kind", "foo.f90")]
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@pytest.mark.skipif(sys.maxsize < 2 ** 31 + 1,
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reason="Fails for 32 bit machines")
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def test_int(self):
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"""Test `int` kind_func for integers up to 10**40."""
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selectedintkind = self.module.selectedintkind
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for i in range(40):
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assert selectedintkind(i) == selected_int_kind(
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i
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), f"selectedintkind({i}): expected {selected_int_kind(i)!r} but got {selectedintkind(i)!r}"
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def test_real(self):
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"""
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Test (processor-dependent) `real` kind_func for real numbers
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of up to 31 digits precision (extended/quadruple).
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"""
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selectedrealkind = self.module.selectedrealkind
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for i in range(32):
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assert selectedrealkind(i) == selected_real_kind(
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i
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), f"selectedrealkind({i}): expected {selected_real_kind(i)!r} but got {selectedrealkind(i)!r}"
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@pytest.mark.xfail(platform.machine().lower().startswith("ppc"),
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reason="Some PowerPC may not support full IEEE 754 precision")
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def test_quad_precision(self):
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"""
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Test kind_func for quadruple precision [`real(16)`] of 32+ digits .
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"""
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selectedrealkind = self.module.selectedrealkind
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for i in range(32, 40):
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assert selectedrealkind(i) == selected_real_kind(
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i
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), f"selectedrealkind({i}): expected {selected_real_kind(i)!r} but got {selectedrealkind(i)!r}"
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