refactor gcd() a little bit (no functional changes).

[ginac.git] / ginsh / ginsh_parser.yy

diff --git a/ginsh/ginsh_parser.yy b/ginsh/ginsh_parser.yy
index ae55f4c89e76a8083c02c966fc484a718e7c0e7e..b8c6875a2f96da32fb99817c3e82c5c5334222b7 100644 (file)
--- a/ginsh/ginsh_parser.yy
+++ b/ginsh/ginsh_parser.yy
@@ -4,7 +4,7 @@
  *  This file must be processed with yacc/bison. */
 
 /*
- *  GiNaC Copyright (C) 1999-2007 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
@@ -330,6 +330,7 @@ static ex f_evalf1(const exprseq &e) {return e[0].evalf();}
 static ex f_evalm(const exprseq &e) {return e[0].evalm();}
 static ex f_eval_integ(const exprseq &e) {return e[0].eval_integ();}
 static ex f_expand(const exprseq &e) {return e[0].expand();}
+static ex f_factor(const exprseq &e) {return factor(e[0]);}
 static ex f_gcd(const exprseq &e) {return gcd(e[0], e[1]);}
 static ex f_has(const exprseq &e) {return e[0].has(e[1]) ? ex(1) : ex(0);}
 static ex f_lcm(const exprseq &e) {return lcm(e[0], e[1]);}
@@ -610,6 +611,7 @@ static const fcn_init builtin_fcns[] = {
        {"evalm", f_evalm, 1},
        {"eval_integ", f_eval_integ, 1},
        {"expand", f_expand, 1},
+       {"factor", f_factor, 1},
        {"find", f_find, 2},
        {"fsolve", f_fsolve, 4},
        {"gcd", f_gcd, 2},
@@ -882,7 +884,7 @@ static char **fcn_completion(const char *text, int start, int end)
 void greeting(void)
 {
     cout << "ginsh - GiNaC Interactive Shell (" << PACKAGE << " V" << VERSION << ")" << endl;
-    cout << "  __,  _______  Copyright (C) 1999-2007 Johannes Gutenberg University Mainz,\n"
+    cout << "  __,  _______  Copyright (C) 1999-2008 Johannes Gutenberg University Mainz,\n"
          << " (__) *       | Germany.  This is free software with ABSOLUTELY NO WARRANTY.\n"
          << "  ._) i N a C | You are welcome to redistribute it under certain conditions.\n"
          << "<-------------' For details type `warranty;'.\n" << endl;