import platform
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import pytest
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import numpy as np
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from numpy import array
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from . import util
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class TestReturnReal(util.F2PyTest):
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def check_function(self, t, tname):
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if tname in ["t0", "t4", "s0", "s4"]:
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err = 1e-5
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else:
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err = 0.0
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assert abs(t(234) - 234.0) <= err
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assert abs(t(234.6) - 234.6) <= err
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assert abs(t("234") - 234) <= err
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assert abs(t("234.6") - 234.6) <= err
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assert abs(t(-234) + 234) <= err
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assert abs(t([234]) - 234) <= err
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assert abs(t((234, )) - 234.0) <= err
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assert abs(t(array(234)) - 234.0) <= err
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assert abs(t(array([234])) - 234.0) <= err
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assert abs(t(array([[234]])) - 234.0) <= err
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assert abs(t(array([234]).astype("b")) + 22) <= err
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assert abs(t(array([234], "h")) - 234.0) <= err
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assert abs(t(array([234], "i")) - 234.0) <= err
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assert abs(t(array([234], "l")) - 234.0) <= err
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assert abs(t(array([234], "B")) - 234.0) <= err
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assert abs(t(array([234], "f")) - 234.0) <= err
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assert abs(t(array([234], "d")) - 234.0) <= err
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if tname in ["t0", "t4", "s0", "s4"]:
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assert t(1e200) == t(1e300) # inf
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# pytest.raises(ValueError, t, array([234], 'S1'))
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pytest.raises(ValueError, t, "abc")
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pytest.raises(IndexError, t, [])
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pytest.raises(IndexError, t, ())
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pytest.raises(Exception, t, t)
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pytest.raises(Exception, t, {})
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try:
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r = t(10**400)
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assert repr(r) in ["inf", "Infinity"]
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except OverflowError:
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pass
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@pytest.mark.skipif(
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platform.system() == "Darwin",
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reason="Prone to error when run with numpy/f2py/tests on mac os, "
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"but not when run in isolation",
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)
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@pytest.mark.skipif(
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np.dtype(np.intp).itemsize < 8,
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reason="32-bit builds are buggy"
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)
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class TestCReturnReal(TestReturnReal):
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suffix = ".pyf"
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module_name = "c_ext_return_real"
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code = """
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python module c_ext_return_real
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usercode \'\'\'
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float t4(float value) { return value; }
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void s4(float *t4, float value) { *t4 = value; }
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double t8(double value) { return value; }
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void s8(double *t8, double value) { *t8 = value; }
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\'\'\'
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interface
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function t4(value)
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real*4 intent(c) :: t4,value
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end
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function t8(value)
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real*8 intent(c) :: t8,value
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end
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subroutine s4(t4,value)
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intent(c) s4
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real*4 intent(out) :: t4
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real*4 intent(c) :: value
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end
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subroutine s8(t8,value)
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intent(c) s8
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real*8 intent(out) :: t8
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real*8 intent(c) :: value
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end
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end interface
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end python module c_ext_return_real
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"""
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@pytest.mark.parametrize("name", "t4,t8,s4,s8".split(","))
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def test_all(self, name):
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self.check_function(getattr(self.module, name), name)
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class TestFReturnReal(TestReturnReal):
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sources = [
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util.getpath("tests", "src", "return_real", "foo77.f"),
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util.getpath("tests", "src", "return_real", "foo90.f90"),
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]
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@pytest.mark.parametrize("name", "t0,t4,t8,td,s0,s4,s8,sd".split(","))
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def test_all_f77(self, name):
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self.check_function(getattr(self.module, name), name)
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@pytest.mark.parametrize("name", "t0,t4,t8,td,s0,s4,s8,sd".split(","))
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def test_all_f90(self, name):
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self.check_function(getattr(self.module.f90_return_real, name), name)
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