diff options
Diffstat (limited to 'src/window.c')
| -rw-r--r-- | src/window.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/window.c b/src/window.c index 0d00402..6fe9a18 100644 --- a/src/window.c +++ b/src/window.c @@ -25,6 +25,10 @@ #include <math.h> +#ifndef M_PI +#define M_PI 3.14159265358979323846264338327 +#endif + #include "xtract_window_private.h" void gauss(double *window, const int N, const double sd) |