diff options
Diffstat (limited to 'xs/src/poly2tri/common/utils.h')
| -rw-r--r-- | xs/src/poly2tri/common/utils.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/xs/src/poly2tri/common/utils.h b/xs/src/poly2tri/common/utils.h index ffb713f58..4bcb76361 100644 --- a/xs/src/poly2tri/common/utils.h +++ b/xs/src/poly2tri/common/utils.h @@ -33,7 +33,9 @@ #define UTILS_H // Otherwise #defines like M_PI are undeclared under Visual Studio -#define _USE_MATH_DEFINES +#ifndef _USE_MATH_DEFINES + #define _USE_MATH_DEFINES +#endif /* _USE_MATH_DEFINES */ #include <exception> #include <math.h> |