Don't rely on float equality

Fix #591
uclouvain · Oct 15, 2015 · 9542c08 · 9542c08
1 parent cbaa2d7
commit 9542c08
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libopenjpeg/tcd.c b/libopenjpeg/tcd.c
@@ -988,7 +988,7 @@ void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
  n = passno + 1;
  continue;
  }
- if (dd / dr >= thresh)
+ if (thresh - (dd / dr) < DBL_EPSILON) /* do not rely on float equality, check with DBL_EPSILON margin */
  n = passno + 1;
  }
  layer->numpasses = n - cblk->numpassesinlayers;