A better return_type_tinfo() mechanism.

[ginac.git] / ginac / power.h

diff --git a/ginac/power.h b/ginac/power.h
index 13230e9c89f5e1c094331f55b1721afca2a541c6..a13f7fcfd211ba3344639b9e280e2d1084bb1b64 100644 (file)
--- a/ginac/power.h
+++ b/ginac/power.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's symbolic exponentiation (basis^exponent). */
 
 /*
- *  GiNaC Copyright (C) 1999-2006 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2008 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
@@ -54,6 +54,7 @@ public:
        size_t nops() const;
        ex op(size_t i) const;
        ex map(map_function & f) const;
+       bool is_polynomial(const ex & var) const;
        int degree(const ex & s) const;
        int ldegree(const ex & s) const;
        ex coeff(const ex & s, int n = 1) const;
@@ -67,11 +68,13 @@ public:
        ex to_rational(exmap & repl) const;
        ex to_polynomial(exmap & repl) const;
        ex conjugate() const;
+       ex real_part() const;
+       ex imag_part() const;
 protected:
        ex derivative(const symbol & s) const;
        ex eval_ncmul(const exvector & v) const;
        unsigned return_type() const;
-       const basic* return_type_tinfo() const;
+       return_type_t return_type_tinfo() const;
        ex expand(unsigned options = 0) const;
        
        // new virtual functions which can be overridden by derived classes
@@ -85,6 +88,7 @@ protected:
        void do_print_csrc(const print_csrc & c, unsigned level) const;
        void do_print_python(const print_python & c, unsigned level) const;
        void do_print_python_repr(const print_python_repr & c, unsigned level) const;
+       void do_print_csrc_cl_N(const print_csrc_cl_N & c, unsigned level) const;
 
        ex expand_add(const add & a, int n, unsigned options) const;
        ex expand_add_2(const add & a, unsigned options) const;