-#define DUAL_OCTAGONAL_TILESIZE OCTAGONAL_TILESIZE
-/* b/a approx sqrt(2) */
-#define DUAL_OCTAGONAL_A OCTAGONAL_A
-#define DUAL_OCTAGONAL_B OCTAGONAL_B
-
-static void grid_size_dual_octagonal(int width, int height,
- int *tilesize, int *xextent, int *yextent)
-{
- grid_size_octagonal(width, height, tilesize, xextent, yextent);
-}
-
-static grid *grid_new_dual_octagonal(int width, int height, char *desc)
-{
- grid *orig;
- grid *g;
-
- orig = grid_new_octagonal(width, height, desc);
-
- g = grid_dual(orig);
- grid_free(orig);
-
- return g;
-}
-