X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=ginac%2Finput_parser.yy;h=b28e63a1e552b34241b9cf1d5060047f922c3fc7;hb=85dbe3f2049dce7d43a1bd956d622f4ff5c0c156;hp=4912212364599af56d73a3bb79ee023e1a067d23;hpb=6d225ee55693c0617d254e6fa283c00c71bd2919;p=ginac.git

diff --git a/ginac/input_parser.yy b/ginac/input_parser.yy
index 49122123..b28e63a1 100644
--- a/ginac/input_parser.yy
+++ b/ginac/input_parser.yy
@@ -4,7 +4,7 @@
  *  This file must be processed with yacc/bison. */
 
 /*
- *  GiNaC Copyright (C) 1999-2004 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
@@ -18,7 +18,7 @@
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
 
@@ -105,6 +105,10 @@ exp	: T_NUMBER		{$$ = $1;}
 			if ($3.nops() != 1)
 				throw (std::runtime_error("too many arguments to sqrt()"));
 			$$ = sqrt($3.op(0));
+		} else if (n == "pow" || n == "power") {
+		  if ($3.nops() != 2) 
+			  throw std::invalid_argument("wrong number of arguments to pow()");
+			$$ = power($3.op(0), $3.op(0));
 		} else {
 			unsigned i = function::find_function(n, $3.nops());
 			$$ = function(i, ex_to<exprseq>($3)).eval(1);