James Myatt
10 years ago
1 changed files with 8 additions and 5 deletions
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+8 -5math_compat.h
+ 8
- 5
math_compat.h
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| @@ -1,7 +1,7 @@ | |||||
| #ifndef __math_compat_h | #ifndef __math_compat_h | ||||
| #define __math_compat_h | #define __math_compat_h | ||||
| /* Define isnan and isinf on Windows/MSVC */ | |||||
| /* Define isnan, isinf, infinity and nan on Windows/MSVC */ | |||||
| #ifndef HAVE_DECL_ISNAN | #ifndef HAVE_DECL_ISNAN | ||||
| # ifdef HAVE_DECL__ISNAN | # ifdef HAVE_DECL__ISNAN | ||||
| @@ -17,12 +17,15 @@ | |||||
| # endif | # endif | ||||
| #endif | #endif | ||||
| #ifndef HAVE_DECL_NAN | |||||
| #error This platform does not have nan() | |||||
| #ifndef HAVE_DECL_INFINITY | |||||
| #include <float.h> | |||||
| #define INFINITY (DBL_MAX + DBL_MAX) | |||||
| #define HAVE_DECL_INFINITY | |||||
| #endif | #endif | ||||
| #ifndef HAVE_DECL_INFINITY | |||||
| #error This platform does not have INFINITY | |||||
| #ifndef HAVE_DECL_NAN | |||||
| #define NAN (INFINITY - INFINITY) | |||||
| #define HAVE_DECL_NAN | |||||
| #endif | #endif | ||||
| #endif | #endif | ||||