-#if 0
-#define ASSERT_NODE(orig, res) do { \
- if (res < -1 || res >= par->n|| (res != -1 && res < orig)) \
- fprintf(stderr, \
- "Assertion failure: original node %i, result %i, line %i\n", \
- orig, res, __LINE__); \
- } while (0)
-#else
-#define ASSERT_NODE(orig, res)
-#endif
-