X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fwildcard.cpp;h=d45ffca038ab5ff98505464b4f5c70318f7d615f;hp=4a89957bcaaf4cb90b30f6e9acf19b7f42971a92;hb=c018acc8ddca143ba6a202ad095b192205708bc4;hpb=b573b0146341709649f373e0fc5c0d440877ebaf

diff --git a/ginac/wildcard.cpp b/ginac/wildcard.cpp
index 4a89957b..d45ffca0 100644
--- a/ginac/wildcard.cpp
+++ b/ginac/wildcard.cpp
@@ -3,7 +3,7 @@
  *  Implementation of GiNaC's wildcard objects. */
 
 /*
- *  GiNaC Copyright (C) 1999-2008 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2016 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
@@ -20,11 +20,12 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#include <iostream>
-
 #include "wildcard.h"
 #include "archive.h"
 #include "utils.h"
+#include "hash_seed.h"
+
+#include <iostream>
 
 namespace GiNaC {
 
@@ -37,7 +38,7 @@ GINAC_IMPLEMENT_REGISTERED_CLASS_OPT(wildcard, basic,
 // default constructor
 //////////
 
-wildcard::wildcard() : inherited(&wildcard::tinfo_static), label(0)
+wildcard::wildcard() : label(0)
 {
 	setflag(status_flags::evaluated | status_flags::expanded);
 }
@@ -46,7 +47,7 @@ wildcard::wildcard() : inherited(&wildcard::tinfo_static), label(0)
 // other constructors
 //////////
 
-wildcard::wildcard(unsigned l) : inherited(&wildcard::tinfo_static), label(l)
+wildcard::wildcard(unsigned l) : label(l)
 {
 	setflag(status_flags::evaluated | status_flags::expanded);
 }
@@ -55,11 +56,13 @@ wildcard::wildcard(unsigned l) : inherited(&wildcard::tinfo_static), label(l)
 // archiving
 //////////
 
-wildcard::wildcard(const archive_node &n, lst &sym_lst) : inherited(n, sym_lst)
+void wildcard::read_archive(const archive_node& n, lst& sym_lst)
 {
+	inherited::read_archive(n, sym_lst);
 	n.find_unsigned("label", label);
 	setflag(status_flags::evaluated | status_flags::expanded);
 }
+GINAC_BIND_UNARCHIVER(wildcard);
 
 void wildcard::archive(archive_node &n) const
 {
@@ -67,8 +70,6 @@ void wildcard::archive(archive_node &n) const
 	n.add_unsigned("label", label);
 }
 
-DEFAULT_UNARCHIVE(wildcard)
-
 //////////
 // functions overriding virtual functions from base classes
 //////////
@@ -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;
 }