-#if 0
- /*
- almost zero slopes look like errors in horizontal beams.
- */
- /*
- This causes too much problems, because horizontal depends on
- horizontal spacing details. These errors should be dealt with
- through concaveness. --hwn.
- */
- if (fabs (dy) > 1e-3
- && fabs (dy / dx) < ROUND_TO_ZERO_SLOPE)
- dem += ROUND_TO_ZERO_POINTS;
-#endif
-
- return dem;