[Scipy-svn] r3439 - trunk/scipy/sparse

[scipy-svn at scipy.org]

Author: nmarais
Date: 2007-10-15 17:46:49 -0500 (Mon, 15 Oct 2007)
New Revision: 3439

Modified:
   trunk/scipy/sparse/sparse.py
Log:
Fix sparse.listprint() to avoid repeated string concatenation


Modified: trunk/scipy/sparse/sparse.py
===================================================================
--- trunk/scipy/sparse/sparse.py	2007-10-15 20:43:47 UTC (rev 3438)
+++ trunk/scipy/sparse/sparse.py	2007-10-15 22:46:49 UTC (rev 3439)
@@ -175,10 +175,8 @@
     def listprint(self, start, stop):
         """Provides a way to print over a single index.
         """
-        val = ''
-        for ind in xrange(start, stop):
-            val = val + '  %s\t%s\n' % (self.rowcol(ind), self.getdata(ind))
-        return val
+        return '\n'.join('  %s\t%s' % (self.rowcol(ind), self.getdata(ind))
+                         for ind in xrange(start,stop)) + '\n'
 
     def __repr__(self):
         nnz = self.getnnz()