hash value computation for indices takes index dimension into account

[ginac.git] / ginac / idx.h

diff --git a/ginac/idx.h b/ginac/idx.h
index bb74ddac24a0e8e0d7607711166425ac6d28c50c..985226d72d441b9c604c478ff801b0e642f410f7 100644 (file)
--- a/ginac/idx.h
+++ b/ginac/idx.h
@@ -54,11 +54,12 @@ public:
        ex op(size_t i) const;
        ex map(map_function & f) const;
        ex evalf(int level = 0) const;
-       ex subs(const lst & ls, const lst & lr, unsigned options = 0) const;
+       ex subs(const exmap & m, unsigned options = 0) const;
 
 protected:
        ex derivative(const symbol & s) const;
        bool match_same_type(const basic & other) const;
+       unsigned calchash() const;
 
        // new virtual functions in this class
 public: