SF.net SVN: matplotlib:[6661] branches/v0_98_5_maint

[<md...@us...>]

Revision: 6661
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=6661&view=rev
Author:   mdboom
Date:     2008-12-18 13:41:35 +0000 (Thu, 18 Dec 2008)

Log Message:
-----------
Fix bug where a line with NULL data limits prevents subsequent data limits from calculating correctly

Modified Paths:
--------------
    branches/v0_98_5_maint/CHANGELOG
    branches/v0_98_5_maint/src/_path.cpp

Modified: branches/v0_98_5_maint/CHANGELOG
===================================================================
--- branches/v0_98_5_maint/CHANGELOG	2008-12-18 12:10:51 UTC (rev 6660)
+++ branches/v0_98_5_maint/CHANGELOG	2008-12-18 13:41:35 UTC (rev 6661)
@@ -1,3 +1,8 @@
+2008-12-18 Fix bug where a line with NULL data limits prevents
+           subsequent data limits from calculating correctly - MGD
+
+2008-12-17 Major documentation generator changes - MGD
+
 2008-12-17 Applied macosx backend patch with support for path
            collections, quadmesh, etc... - JDH
 
@@ -3,4 +8,5 @@
 2008-12-17 fix dpi-dependent behavior of text bbox and arrow in annotate
             -JJL
+
 2008-12-16 Another attempt to fix dpi-dependent behavior of Legend. -JJL
 

Modified: branches/v0_98_5_maint/src/_path.cpp
===================================================================
--- branches/v0_98_5_maint/src/_path.cpp	2008-12-18 12:10:51 UTC (rev 6660)
+++ branches/v0_98_5_maint/src/_path.cpp	2008-12-18 13:41:35 UTC (rev 6661)
@@ -403,10 +403,25 @@
         }
         else
         {
-            extents_data[0] = std::min(x0, x1);
-            extents_data[1] = std::min(y0, y1);
-            extents_data[2] = std::max(x0, x1);
-            extents_data[3] = std::max(y0, y1);
+            if (x0 > x1)
+            {
+                extents_data[0] = std::numeric_limits<double>::infinity();
+                extents_data[2] = -std::numeric_limits<double>::infinity();
+            }
+            else
+            {
+                extents_data[0] = x0;
+                extents_data[2] = x1;
+            }
+            if (y0 > y1) {
+                extents_data[1] = std::numeric_limits<double>::infinity();
+                extents_data[3] = -std::numeric_limits<double>::infinity();
+            }
+            else
+            {
+                extents_data[1] = y0;
+                extents_data[3] = y1;
+            }
             minpos_data[0] = xm;
             minpos_data[1] = ym;
         }


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