28 lines
479 B
C
28 lines
479 B
C
#ifndef __math_compat_h
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#define __math_compat_h
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/* Define isnan and isinf on Windows/MSVC */
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#ifndef HAVE_DECL_ISNAN
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# ifdef HAVE_DECL__ISNAN
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#include <float.h>
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#define isnan(x) _isnan(x)
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# endif
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#endif
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#ifndef HAVE_DECL_ISINF
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# ifdef HAVE_DECL__FINITE
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#include <float.h>
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#define isinf(x) (!_finite(x))
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# endif
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#endif
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#ifndef HAVE_DECL_NAN
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#error This platform does not have nan()
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#endif
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#ifndef HAVE_DECL_INFINITY
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#error This platform does not have INFINITY
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#endif
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#endif
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