Added complex conjugation methods and GiNaC function "conjugate".

[ginac.git] / ginac / idx.h

diff --git a/ginac/idx.h b/ginac/idx.h
index 985226d72d441b9c604c478ff801b0e642f410f7..97538d77f6864857c0df97a7481b1be63ee82fb1 100644 (file)
--- a/ginac/idx.h
+++ b/ginac/idx.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's indices. */
 
 /*
- *  GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2004 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
@@ -48,7 +48,6 @@ public:
 
        // functions overriding virtual functions from base classes
 public:
-       void print(const print_context & c, unsigned level = 0) const;
        bool info(unsigned inf) const;
        size_t nops() const;
        ex op(size_t i) const;
@@ -94,6 +93,12 @@ public:
         *  If this is undecidable, throw an exception. */
        ex minimal_dim(const idx & other) const;
 
+protected:
+       void print_index(const print_context & c, unsigned level) const;
+       void do_print(const print_context & c, unsigned level) const;
+       void do_print_latex(const print_latex & c, unsigned level) const;
+       void do_print_tree(const print_tree & c, unsigned level) const;
+
 protected:
        ex value; /**< Expression that constitutes the index (numeric or symbolic name) */
        ex dim;   /**< Dimension of space (can be symbolic or numeric) */
@@ -118,7 +123,6 @@ public:
 
        // functions overriding virtual functions from base classes
 public:
-       void print(const print_context & c, unsigned level = 0) const;
        bool is_dummy_pair_same_type(const basic & other) const;
 
 protected:
@@ -135,6 +139,10 @@ public:
        /** Make a new index with the same value but the opposite variance. */
        ex toggle_variance() const;
 
+protected:
+       void do_print(const print_context & c, unsigned level) const;
+       void do_print_tree(const print_tree & c, unsigned level) const;
+
        // member variables
 protected:
        bool covariant; /**< x.mu, default is contravariant: x~mu */
@@ -163,8 +171,9 @@ public:
 
        // functions overriding virtual functions from base classes
 public:
-       void print(const print_context & c, unsigned level = 0) const;
        bool is_dummy_pair_same_type(const basic & other) const;
+       // complex conjugation
+       ex conjugate() const { return toggle_dot(); }
 
 protected:
        bool match_same_type(const basic & other) const;
@@ -185,6 +194,11 @@ public:
         *  dottedness. */
        ex toggle_variance_dot() const;
 
+protected:
+       void do_print(const print_context & c, unsigned level) const;
+       void do_print_latex(const print_latex & c, unsigned level) const;
+       void do_print_tree(const print_tree & c, unsigned level) const;
+
        // member variables
 protected:
        bool dotted;