Added code for distinct degree factorization.

[ginac.git] / ginac / relational.h

diff --git a/ginac/relational.h b/ginac/relational.h
index 91cf51990e092346d5eed5cac51074152bc7ed37..b16b9d3f4f2aa0d59253f143fb3bd2d18cbb5c0b 100644 (file)
--- a/ginac/relational.h
+++ b/ginac/relational.h
@@ -25,6 +25,7 @@
 
 #include "basic.h"
 #include "ex.h"
+#include "archive.h"
 
 namespace GiNaC {
 
@@ -59,6 +60,10 @@ public:
        ex subs(const exmap & m, unsigned options = 0) const;
        ex eval(int level=0) const;
 
+       /** Save (a.k.a. serialize) object into archive. */
+       void archive(archive_node& n) const;
+       /** Read (a.k.a. deserialize) object from archive. */
+       void read_archive(const archive_node& n, lst& syms);
 protected:
        ex eval_ncmul(const exvector & v) const;
        bool match_same_type(const basic & other) const;
@@ -100,6 +105,7 @@ protected:
        ex rh;
        operators o;
 };
+GINAC_DECLARE_UNARCHIVER(relational); 
 
 // utility functions