- diff() is now only defined on classes ex and basic, where it handles

[ginac.git] / ginac / indexed.h

diff --git a/ginac/indexed.h b/ginac/indexed.h
index 5988f0a0cad1da773f542e44a634518d132a56f5..919fc18e81f3026119a10fdf1bd3810ede99ae22 100644 (file)
--- a/ginac/indexed.h
+++ b/ginac/indexed.h
@@ -64,9 +64,9 @@ public:
     void print(ostream & os, unsigned upper_precedence=0) const;
     void printcsrc(ostream & os, unsigned type, unsigned upper_precedence) const;
     bool info(unsigned inf) const;
-    ex diff(const symbol & s) const;
     exvector get_indices(void) const;
 protected:
+    ex derivative(const symbol & s) const;
     int compare_same_type(const basic & other) const;
     bool is_equal_same_type(const basic & other) const;
     unsigned return_type(void) const;