librsvg r1205 - trunk

[doml svn gnome org]

Author: doml
Date: Thu Feb 19 23:33:57 2009
New Revision: 1205
URL: http://svn.gnome.org/viewvc/librsvg?rev=1205&view=rev

Log:
2009-02-19  Josselin Mouette <joss malsain org>

        * rsvg-path.c: Crashes on some architectures because of wrong zero check on doubles. Bug #565371



Modified:
   trunk/ChangeLog
   trunk/rsvg-path.c

Modified: trunk/rsvg-path.c
==============================================================================
--- trunk/rsvg-path.c	(original)
+++ trunk/rsvg-path.c	Thu Feb 19 23:33:57 2009
@@ -134,8 +134,9 @@
     sinf = sin(f);
     cosf = cos(f);
 
-    /* Check the radius */
-    if ((rx == 0.0) || (ry == 0.0))
+    /* Check the radius against floading point underflow.
+       See http://bugs.debian.org/508443 */
+    if ((fabs(rx) < DBL_EPSILON) || (fabs(ry) < DBL_EPSILON))
       {
 	rsvg_bpath_def_lineto (ctx->bpath, x, y);
         return;