24#if !defined(HAVE_ISINF) && !defined(isinf)
31 return (!(finite(
x) || isnand(
x)));
34#elif defined(HAVE_FLOAT_H) && defined(HAVE__ISNAN) && defined(HAVE__FINITE)
43#error No isinf() implementation available.
GLint GLint GLint GLint GLint x
_Check_return_ __MINGW_NOTHROW _CRTIMP int __cdecl _isnan(_In_ double)
_Check_return_ __MINGW_NOTHROW _CRTIMP int __cdecl _finite(_In_ double)