* Implementation of GiNaC's color (SU(3) Lie algebra) objects. */
/*
- * GiNaC Copyright (C) 1999-2005 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2006 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
color::color() : representation_label(0)
{
- tinfo_key = TINFO_color;
+ tinfo_key = &color::tinfo_static;
}
DEFAULT_CTOR(su3one)
* @see color_ONE */
color::color(const ex & b, unsigned char rl) : inherited(b), representation_label(rl)
{
- tinfo_key = TINFO_color;
+ tinfo_key = &color::tinfo_static;
}
/** Construct object with one color index. This constructor is for internal
* @see color_T */
color::color(const ex & b, const ex & i1, unsigned char rl) : inherited(b, i1), representation_label(rl)
{
- tinfo_key = TINFO_color;
+ tinfo_key = &color::tinfo_static;
}
color::color(unsigned char rl, const exvector & v, bool discardable) : inherited(not_symmetric(), v, discardable), representation_label(rl)
{
- tinfo_key = TINFO_color;
+ tinfo_key = &color::tinfo_static;
}
color::color(unsigned char rl, std::auto_ptr<exvector> vp) : inherited(not_symmetric(), vp), representation_label(rl)
{
- tinfo_key = TINFO_color;
+ tinfo_key = &color::tinfo_static;
}
//////////
return color_d(a, b, c) + I * color_f(a, b, c);
}
-/** Check whether a given tinfo key (as returned by return_type_tinfo()
- * is that of a color object with the specified representation label. */
-static bool is_color_tinfo(unsigned ti, unsigned char rl)
-{
- return ti == (TINFO_color + rl);
-}
-
/** Check whether a given tinfo key (as returned by return_type_tinfo()
* is that of a color object (with an arbitrary representation label). */
-static bool is_color_tinfo(unsigned ti)
+static bool is_color_tinfo(const basic* ti)
{
- return (ti & ~0xff) == TINFO_color;
+ return ti->tinfo() == &color::tinfo_static;
}
/** Extract representation label from tinfo key (as returned by
* return_type_tinfo()). */
-static unsigned char get_representation_label(unsigned ti)
+static unsigned char get_representation_label(const basic* ti)
{
- return ti & 0xff;
+ return ((color*)ti)->get_representation_label();
}
ex color_trace(const ex & e, const std::set<unsigned char> & rls)