X-Git-Url: https://ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=ginac%2Fwildcard.cpp;h=d331f6899ced5836e4513510d64e0e5770dca272;hb=c40c54f17b68f79ee42833adb3364970385e2caa;hp=6f96a04685488a2d61c3edab3524e2876f31833e;hpb=1602530f716ba1d425a0667b897182b99c374823;p=ginac.git

diff --git a/ginac/wildcard.cpp b/ginac/wildcard.cpp
index 6f96a046..d331f689 100644
--- a/ginac/wildcard.cpp
+++ b/ginac/wildcard.cpp
@@ -3,7 +3,7 @@
  *  Implementation of GiNaC's wildcard objects. */
 
 /*
- *  GiNaC Copyright (C) 1999-2009 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2010 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
@@ -23,6 +23,7 @@
 #include "wildcard.h"
 #include "archive.h"
 #include "utils.h"
+#include "hash_seed.h"
 
 #include <iostream>
 
@@ -106,8 +107,8 @@ unsigned wildcard::calchash() const
 	// this is where the schoolbook method
 	// (golden_ratio_hash(typeid(*this).name()) ^ label)
 	// is not good enough yet...
-	const void* this_tinfo = (const void*)typeid(*this).name();
-	hashvalue = golden_ratio_hash(golden_ratio_hash((p_int)this_tinfo) ^ label);
+	unsigned seed = make_hash_seed(typeid(*this));
+	hashvalue = golden_ratio_hash(seed ^ label);
 	setflag(status_flags::hash_calculated);
 	return hashvalue;
 }