[pypy-svn] r32761 - pypy/dist/pypy/tool/algo

[arigo at codespeak.net]

Author: arigo
Date: Sat Sep 30 09:57:48 2006
New Revision: 32761

Modified:
   pypy/dist/pypy/tool/algo/sparsemat.py
Log:
Be even more careful in 'del'.


Modified: pypy/dist/pypy/tool/algo/sparsemat.py
==============================================================================
--- pypy/dist/pypy/tool/algo/sparsemat.py	(original)
+++ pypy/dist/pypy/tool/algo/sparsemat.py	Sat Sep 30 09:57:48 2006
@@ -60,9 +60,8 @@
                             if abs(value) > EPSILON:
                                 line2[col] = columns[col][i] = value
                             else:
-                                if col in line2:
-                                    del line2[col]
-                                del columns[col][i]
+                                line2.pop(col, 0)
+                                columns[col].pop(i, 0)
         solution = [None] * len(vector)
         for i in range(len(vector)-1, -1, -1):
             row = nrows[i]