* Interface to GiNaC's color (SU(3) Lie algebra) objects. */
/*
- * GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2002 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
// functions overriding virtual functions from base classes
protected:
+ bool match_same_type(const basic & other) const;
ex simplify_ncmul(const exvector & v) const;
ex thisexprseq(const exvector & v) const;
ex thisexprseq(exvector * vp) const;
{
GINAC_DECLARE_REGISTERED_CLASS(su3one, tensor)
- // functions overriding virtual functions from bases classes
+ // functions overriding virtual functions from base classes
public:
void print(const print_context & c, unsigned level = 0) const;
};
{
GINAC_DECLARE_REGISTERED_CLASS(su3t, tensor)
- // functions overriding virtual functions from bases classes
+ // functions overriding virtual functions from base classes
public:
void print(const print_context & c, unsigned level = 0) const;
bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
{
GINAC_DECLARE_REGISTERED_CLASS(su3f, tensor)
- // functions overriding virtual functions from bases classes
+ // functions overriding virtual functions from base classes
public:
void print(const print_context & c, unsigned level = 0) const;
ex eval_indexed(const basic & i) const;
{
GINAC_DECLARE_REGISTERED_CLASS(su3d, tensor)
- // functions overriding virtual functions from bases classes
+ // functions overriding virtual functions from base classes
public:
void print(const print_context & c, unsigned level = 0) const;
ex eval_indexed(const basic & i) const;
// global functions
-inline const color &ex_to_color(const ex &e)
+
+/** Specialization of is_exactly_a<color>(obj) for color objects. */
+template<> inline bool is_exactly_a<color>(const basic & obj)
{
- return static_cast<const color &>(*e.bp);
+ return obj.tinfo()==TINFO_color;
}
-
/** Create the su(3) unity element. This is an indexed object, although it
* has no indices.
*