From: Vladimir Kisil <kisilv@maths.leeds.ac.uk>
Date: Wed, 22 Apr 2015 19:52:15 +0000 (+0200)
Subject: Fix mul::info(info_flags::nonnegative).
X-Git-Tag: ginac_1-6-4~5
X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=commitdiff_plain;h=62168ea93d23c81172ad07f9ec2f7044d1570681;p=ginac.git

Fix mul::info(info_flags::nonnegative).

Due to an obvious Boolean inversion, this function call always
returned the wrong answer.
---

diff --git a/ginac/mul.cpp b/ginac/mul.cpp
index 24cd2fc4..22133a74 100644
--- a/ginac/mul.cpp
+++ b/ginac/mul.cpp
@@ -344,7 +344,7 @@ bool mul::info(unsigned inf) const
 				else
 					return false;
 			}
-			return (overall_coeff.info(info_flags::negative)? pos : !pos);
+			return (overall_coeff.info(info_flags::negative)? !pos : pos);
 		}
 		case info_flags::posint:
 		case info_flags::negint: {