diff options
Diffstat (limited to 'src/misc.h')
| -rw-r--r-- | src/misc.h | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -27,6 +27,9 @@ #define LN_MAX 100 #define LNFACT_MAX 100 +/* Number of points to create a lookup table for the fast_acos() function. */ +#define N_ACOS 10000 + double trapz(const double *y, double dx, size_t n); int intersect_sphere(double *pos, double *dir, double R, double *l); void get_path_length(double *pos1, double *pos2, double R, double *l1, double *l2); @@ -51,5 +54,6 @@ void combinations_with_replacement(size_t n, size_t r, size_t *result, size_t *l size_t argmax(double *a, size_t n); size_t argmin(double *a, size_t n); void get_dir(double *dir, double theta, double phi); +double fast_acos(double x); #endif |