diff options
| -rw-r--r-- | src/ix2.c | 9 |
1 files changed, 7 insertions, 2 deletions
@@ -368,12 +368,17 @@ _fail: } -/* Create a new ix2 index with bounds aabb, splitting nodes > max_per_node until max_depth */ +/* Create a new ix2 index with bounds aabb, splitting nodes > max_per_node until max_depth + * If the supplied aabb is NULL, a default one of -1,-1...1,1 is used. + * Returns NULL on failure. + */ ix2_t * ix2_new(aabb_t *aabb, unsigned max_per_node, unsigned max_depth) { + aabb_t default_aabb = {{-1.f, -1.f}, {1.f, 1.f}}; ix2_t *ix2; - assert(aabb); + if (!aabb) + aabb = &default_aabb; ix2 = calloc(1, sizeof(ix2_t)); if (!ix2) |