From: Jens Vollinga <vollinga@thep.physik.uni-mainz.de>
Date: Mon, 27 Aug 2007 16:49:08 +0000 (+0000)
Subject: input_parser accepts also pow() [A.Sheplyakov]
X-Git-Tag: release_1-4-0~6
X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=commitdiff_plain;h=b9bb1375207fef63d28d48420db42bd0461e73b3

input_parser accepts also pow() [A.Sheplyakov]
---

diff --git a/ginac/input_parser.yy b/ginac/input_parser.yy
index 8601524c..74beb4c5 100644
--- a/ginac/input_parser.yy
+++ b/ginac/input_parser.yy
@@ -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);