#define BM_ELEM_API_FLAG_DISABLE(element, f) ((element)->oflags[0].pflag &= ~(f))
#define BM_ELEM_API_FLAG_TEST(element, f) ((element)->oflags[0].pflag & (f))
-void compute_poly_plane(float (*verts)[3], const int nverts);
+void calc_poly_plane(float (*verts)[3], const int nverts);
void poly_rotate_plane(const float normal[3], float (*verts)[3], const int nverts);
/* include the rest of our private declarations */