diff options
Diffstat (limited to 'src/proj_math.h')
| -rw-r--r-- | src/proj_math.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/proj_math.h b/src/proj_math.h index ca3ab401..f6dd7e09 100644 --- a/src/proj_math.h +++ b/src/proj_math.h @@ -58,10 +58,13 @@ int pj_isnan(double x); #define round pj_round #define lround pj_lround -#ifndef isnan -#define isnan pj_isnan + +#ifdef isnan +#undef isnan #endif +#define isnan pj_isnan + #endif /* !(defined(HAVE_C99_MATH) && HAVE_C99_MATH) */ #ifdef __cplusplus |