X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Finput_parser.yy;h=b28e63a1e552b34241b9cf1d5060047f922c3fc7;hp=f9ead9e11b8a6d5d446bf96697dd2fdb7bcfab2c;hb=93eb93a10a2f29360baa4ab45d5b34b982c7fa5c;hpb=695f6ae955ec530cded8f21efd5569df39447f76

diff --git a/ginac/input_parser.yy b/ginac/input_parser.yy
index f9ead9e1..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) 1999-2005 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);