diff options
| -rw-r--r-- | kd-forest.c | 8 | ||||
| -rw-r--r-- | kd-forest.h | 2 |
2 files changed, 5 insertions, 5 deletions
diff --git a/kd-forest.c b/kd-forest.c index 759c41e..3716537 100644 --- a/kd-forest.c +++ b/kd-forest.c @@ -137,7 +137,7 @@ kd_build_tree(kd_node_t **buffers[KD_BUFSIZE], size_t size) } static double -kd_distance_sq(double a[KD_DIMEN], double b[KD_DIMEN]) +kd_distance_sq(const double a[KD_DIMEN], const double b[KD_DIMEN]) { double result = 0.0; for (int i = 0; i < KD_DIMEN; ++i) { @@ -148,7 +148,7 @@ kd_distance_sq(double a[KD_DIMEN], double b[KD_DIMEN]) } static void -kd_find_nearest_recursive(kd_node_t *node, double target[KD_DIMEN], double closest[KD_DIMEN], kd_node_t **best, double *limit, unsigned int coord) +kd_find_nearest_recursive(kd_node_t *node, const double target[KD_DIMEN], const double closest[KD_DIMEN], kd_node_t **best, double *limit, unsigned int coord) { if (!node->removed) { double node_dist_sq = kd_distance_sq(node->coords, target); @@ -186,7 +186,7 @@ kd_find_nearest_recursive(kd_node_t *node, double target[KD_DIMEN], double close } static void -kd_find_nearest(kd_node_t *root, double target[KD_DIMEN], kd_node_t **best, double *limit) +kd_find_nearest(kd_node_t *root, const double target[KD_DIMEN], kd_node_t **best, double *limit) { kd_find_nearest_recursive(root, target, target, best, limit, 0); } @@ -289,7 +289,7 @@ kdf_remove(kd_forest_t *kdf, kd_node_t *node) } kd_node_t * -kdf_find_nearest(kd_forest_t *kdf, double target[KD_DIMEN]) +kdf_find_nearest(const kd_forest_t *kdf, const double target[KD_DIMEN]) { double limit = INFINITY; kd_node_t *best = NULL; diff --git a/kd-forest.h b/kd-forest.h index 3607903..10756a2 100644 --- a/kd-forest.h +++ b/kd-forest.h @@ -51,6 +51,6 @@ void kdf_init(kd_forest_t *kdf); void kdf_destroy(kd_forest_t *kdf); void kdf_insert(kd_forest_t *kdf, kd_node_t *node); void kdf_remove(kd_forest_t *kdf, kd_node_t *node); -kd_node_t *kdf_find_nearest(kd_forest_t *kdf, double target[KD_DIMEN]); +kd_node_t *kdf_find_nearest(const kd_forest_t *kdf, const double target[KD_DIMEN]); #endif // KD_FOREST_H |