#ifndef __math_compat_h #define __math_compat_h /** * @file * @brief Do not use, json-c internal, may be changed or removed at any time. */ /* Define isnan, isinf, infinity and nan on Windows/MSVC */ #ifndef HAVE_DECL_ISNAN #ifdef HAVE_DECL__ISNAN #include #define isnan(x) _isnan(x) #endif #endif #ifndef HAVE_DECL_ISINF #ifdef HAVE_DECL__FINITE #include #define isinf(x) (!_finite(x)) #endif #endif #ifndef HAVE_DECL_INFINITY #include #define INFINITY (DBL_MAX + DBL_MAX) #define HAVE_DECL_INFINITY #endif #ifndef HAVE_DECL_NAN #define NAN (INFINITY - INFINITY) #define HAVE_DECL_NAN #endif #endif