diff options
Diffstat (limited to 'src/utils.h')
| -rw-r--r-- | src/utils.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/utils.h b/src/utils.h index 5736739..5c2e586 100644 --- a/src/utils.h +++ b/src/utils.h @@ -30,6 +30,7 @@ extern double distance3d(double x1, double y1, double z1, double x2, double y2, extern size_t skipspace(const char *s); extern void chomp(char *s); extern void matrix_vector_show(const gsl_matrix *m, const gsl_vector *v, const char *prefix); +extern int sign(double a); #define rad2deg(a) ((a)*180/M_PI) #define deg2rad(a) ((a)*M_PI/180) |