--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/liboctave/sparse-sort.cc	Fri Feb 25 19:55:28 2005 +0000
@@ -0,0 +1,56 @@
+/*
+
+Copyright (C) 2004 David Bateman
+Copyright (C) 1998-2004 Andy Adler
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+Octave is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <cassert>
+
+#include "oct-sort.cc"
+#include "quit.h"
+
+#include "sparse-sort.h"
+
+// A simple class and instantiation of the octave merge sort class
+// to sort sparse data before matrix creation. This is significantly
+// faster than using octave_qsort.
+
+bool
+octave_sparse_sidxl_comp (octave_sparse_sort_idxl* i, 
+			  octave_sparse_sort_idxl* j)
+{
+  int tmp = i->c - j->c;
+  if (tmp < 0)
+    return true;
+  else if (tmp > 0)
+    return false;
+  return  (i->r < j->r);
+}
+
+// Instantiate the sparse sorting class
+template class octave_sort<octave_sparse_sort_idxl *>;
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/