diff options
Diffstat (limited to 'src/proj_math.h')
| -rw-r--r-- | src/proj_math.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/proj_math.h b/src/proj_math.h index 0d28cb30..0108a439 100644 --- a/src/proj_math.h +++ b/src/proj_math.h @@ -39,10 +39,12 @@ extern "C" { double pj_hypot(double x, double y); double pj_log1p(double x); double pj_asinh(double x); +int pj_isnan(double x); #define hypot pj_hypot #define log1p pj_log1p #define asinh pj_asinh +#define isnan pj_isnan #endif /* !(defined(HAVE_C99_MATH) && HAVE_C99_MATH) */ |