star-vx

commit 4646b3cbae34571324c6ad39180f75117cb45b3d
parent 8a88c09b55fdafafb0efcc4495408c5889b7a782
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Thu, 13 Sep 2018 16:25:32 +0200

Check that the provided ray dir is normalized in svx_octree_trace_ray

Diffstat:
M
src/svx_octree_trace_ray.c
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/svx_octree_trace_ray.c b/src/svx_octree_trace_ray.c
@@ -16,6 +16,8 @@
 #include "svx.h"
 #include "svx_tree.h"
 
+#include <rsys/double3.h>
+
 struct ray {
   /* Ray parameters in the normalized octree space [1, 2]^3 whose ray direction
    * is assumed to be always negative. octant_mask defines which dimension was
@@ -389,7 +391,8 @@ svx_octree_trace_ray
   struct ray ray;
   res_T res = RES_OK;
 
-  if(!oct || !org || !dir || !range || !hit || oct->type != SVX_OCTREE) {
+  if(!oct || !org || !dir || !range || !hit || oct->type != SVX_OCTREE
+  || !d3_is_normalized(dir)) {
     res = RES_BAD_ARG;
     goto error;
   }