- added Dirac gammaL and gammaR objects (chiral projectors)

[ginac.git] / ginac / constant.cpp

diff --git a/ginac/constant.cpp b/ginac/constant.cpp
index 0cf7c77bbdcf4419d144abdf6c5d006506534700..5ba8475108af93ef8ccf90ff4fc5afb4fb747fc3 100644 (file)
--- a/ginac/constant.cpp
+++ b/ginac/constant.cpp
@@ -3,7 +3,7 @@
  *  Implementation of GiNaC's constant types and some special constants. */
 
 /*
- *  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
@@ -134,30 +134,17 @@ void constant::print(const print_context & c, unsigned level) const
                c.s << std::string(level, ' ') << name << " (" << class_name() << ")"
                    << std::hex << ", hash=0x" << hashvalue << ", flags=0x" << flags << std::dec
                    << std::endl;
-       } else if (is_a<print_latex>(c))
+       } else if (is_a<print_latex>(c)) {
                c.s << TeX_name;
-       else
+       } else if (is_a<print_python_repr>(c)) {
+               c.s << class_name() << "('" << name << "'";
+               if (TeX_name != "\\mbox{" + name + "}")
+                       c.s << ",TeX_name='" << TeX_name << "'";
+               c.s << ')';
+       } else
                c.s << name;
 }
 
-int constant::degree(const ex & s) const
-{
-       return is_equal(ex_to<basic>(s)) ? 1 : 0;
-}
-
-int constant::ldegree(const ex & s) const
-{
-       return is_equal(ex_to<basic>(s)) ? 1 : 0;
-}
-
-ex constant::coeff(const ex & s, int n) const
-{
-       if (is_equal(ex_to<basic>(s)))
-               return n==1 ? _ex1 : _ex0;
-       else
-               return n==0 ? *this : _ex0;
-}
-
 ex constant::evalf(int level) const
 {
        if (ef!=0) {