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