json-c/math_compat.h

#ifndef __math_compat_h
#define __math_compat_h

/* Define isnan and isinf on Windows/MSVC */

#ifndef HAVE_DECL_ISNAN
# ifdef HAVE_DECL__ISNAN
#include <float.h>
#define isnan(x) _isnan(x)
# endif
#endif

#ifndef HAVE_DECL_ISINF
# ifdef HAVE_DECL__FINITE
#include <float.h>
#define isinf(x) (!_finite(x))
# endif
#endif

#ifndef HAVE_DECL_NAN
#error This platform does not have nan()
#endif

#endif
Issue#114: check for the presence of isnan and isinf, and provide compat macros on MSCV where _isnan and _finite exist instead. 2014-03-02 12:16:37 -05:00			`#ifndef __math_compat_h`
			`#define __math_compat_h`

			`/* Define isnan and isinf on Windows/MSVC */`

			`#ifndef HAVE_DECL_ISNAN`
			`# ifdef HAVE_DECL__ISNAN`
			`#include <float.h>`
			`#define isnan(x) _isnan(x)`
			`# endif`
			`#endif`

			`#ifndef HAVE_DECL_ISINF`
			`# ifdef HAVE_DECL__FINITE`
			`#include <float.h>`
			`#define isinf(x) (!_finite(x))`
			`# endif`
			`#endif`

Issue#102 - add support for parsing "NaN". 2014-03-09 16:41:33 -04:00			`#ifndef HAVE_DECL_NAN`
			`#error This platform does not have nan()`
			`#endif`

Issue#114: check for the presence of isnan and isinf, and provide compat macros on MSCV where _isnan and _finite exist instead. 2014-03-02 12:16:37 -05:00			`#endif`