diff options
Diffstat (limited to 'libcrystfel/src/reflist-utils.c')
| -rw-r--r-- | libcrystfel/src/reflist-utils.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libcrystfel/src/reflist-utils.c b/libcrystfel/src/reflist-utils.c index 6e2f9c4a..5315a782 100644 --- a/libcrystfel/src/reflist-utils.c +++ b/libcrystfel/src/reflist-utils.c @@ -10,6 +10,8 @@ */ +#define _ISOC99_SOURCE +#include <math.h> #include <stdio.h> #include <assert.h> |