diff options
| -rw-r--r-- | source/blender/bmesh/intern/bmesh_mesh.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/source/blender/bmesh/intern/bmesh_mesh.c b/source/blender/bmesh/intern/bmesh_mesh.c index 95e667004fe..7a63fa3c64f 100644 --- a/source/blender/bmesh/intern/bmesh_mesh.c +++ b/source/blender/bmesh/intern/bmesh_mesh.c @@ -363,6 +363,8 @@ typedef struct BMVertsCalcNormalsData { static void mesh_verts_calc_normals_accum_cb(void *userdata, MempoolIterData *mp_f) { +#define FLT_EQ_NONAN(_fa, _fb) (*((const uint32_t *)&_fa) == *((const uint32_t *)&_fb)) + BMVertsCalcNormalsData *data = userdata; BMFace *f = (BMFace *)mp_f; @@ -405,7 +407,7 @@ static void mesh_verts_calc_normals_accum_cb(void *userdata, MempoolIterData *mp * - v_no[0] was not FLT_MAX, i.e. it was not locked by another thread. */ const float vl = atomic_cas_float(&v_no[0], virtual_lock, FLT_MAX); - if (vl == virtual_lock && vl != FLT_MAX) { + if (FLT_EQ_NONAN(vl, virtual_lock) && vl != FLT_MAX) { break; } virtual_lock = vl; @@ -423,6 +425,8 @@ static void mesh_verts_calc_normals_accum_cb(void *userdata, MempoolIterData *mp BLI_assert(virtual_lock == FLT_MAX); } while ((l_iter = l_iter->next) != l_first); + +#undef FLT_EQ_NONAN } static void mesh_verts_calc_normals_normalize_cb(void *userdata, MempoolIterData *mp_v) |