X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fidx.cpp;h=a3f0b843f153fefc8da3be335e5510e9f2d23c1b;hp=9a91e03dc45d5fa0957fd4954e678d58597c1ccb;hb=d023220cece92637c3e55051f127650f2131de44;hpb=d327f3f00c66a79d42855939866047b3e8caa630

diff --git a/ginac/idx.cpp b/ginac/idx.cpp
index 9a91e03d..a3f0b843 100644
--- a/ginac/idx.cpp
+++ b/ginac/idx.cpp
@@ -3,7 +3,7 @@
  *  Implementation of GiNaC's indices. */
 
 /*
- *  GiNaC Copyright (C) 1999-2008 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2011 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -20,10 +20,6 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#include <iostream>
-#include <sstream>
-#include <stdexcept>
-
 #include "idx.h"
 #include "symbol.h"
 #include "lst.h"
@@ -31,6 +27,11 @@
 #include "operators.h"
 #include "archive.h"
 #include "utils.h"
+#include "hash_seed.h"
+
+#include <iostream>
+#include <sstream>
+#include <stdexcept>
 
 namespace GiNaC {
 
@@ -350,8 +351,7 @@ unsigned idx::calchash() const
 	// hash keys. That is, the hash values must not depend on the index
 	// dimensions or other attributes (variance etc.).
 	// The compare_same_type() methods will take care of the rest.
-	const void* this_tinfo = (const void*)(typeid(*this).name());
-	unsigned v = golden_ratio_hash((p_int)this_tinfo);
+	unsigned v = make_hash_seed(typeid(*this));
 	v = rotate_left(v);
 	v ^= value.gethash();