- color and clifford classes are quite functional now

[ginac.git] / ginac / indexed.h

diff --git a/ginac/indexed.h b/ginac/indexed.h
index b06fad1040a702a8354248f3ef68834297c88cc8..0147185ddd4630183ee7e78b23db134015fccadd 100644 (file)
--- a/ginac/indexed.h
+++ b/ginac/indexed.h
@@ -151,11 +151,12 @@ public:
 
        // functions overriding virtual functions from base classes
 public:
-       void printraw(std::ostream & os) const;
-       void printtree(std::ostream & os, unsigned indent) const;
-       void print(std::ostream & os, unsigned upper_precedence=0) const;
+       void print(const print_context & c, unsigned level = 0) const;
        bool info(unsigned inf) const;
        ex eval(int level = 0) const;
+       int degree(const ex & s) const;
+       int ldegree(const ex & s) const;
+       ex coeff(const ex & s, int n = 1) const;
        exvector get_free_indices(void) const;
 
 protected:
@@ -173,13 +174,18 @@ public:
         *  @see class info_flags */
        bool all_index_values_are(unsigned inf) const;
 
+       /** Return a vector containing the object's indices. */
+       exvector get_indices(void) const;
+
        /** Return a vector containing the dummy indices of the object, if any. */
        exvector get_dummy_indices(void) const;
 
+       /** Return a vector containing the dummy indices in the contraction with
+        *  another indexed object. */
+       exvector get_dummy_indices(const indexed & other) const;
+
 protected:
-       void printrawindices(std::ostream & os) const;
-       void printtreeindices(std::ostream & os, unsigned indent) const;
-       void printindices(std::ostream & os) const;
+       void printindices(const print_context & c, unsigned level) const;
        void assert_all_indices_of_type_idx(void) const;
 
        // member variables
@@ -209,6 +215,11 @@ public:
        /** Register scalar product pair and its value. */
        void add(const ex & v1, const ex & v2, const ex & sp);
 
+       /** Register list of vectors. This adds all possible pairs of products
+        *  a.i * b.i with the value a*b (note that this is not a scalar vector
+        *  product but an ordinary product of scalars). */
+       void add_vectors(const lst & l);
+
        /** Clear all registered scalar products. */
        void clear(void);