From: Richard Kreckel <Richard.Kreckel@uni-mainz.de>
Date: Fri, 24 Sep 2004 01:46:19 +0000 (+0000)
Subject: * power::info(): Unpolynomialize sin(x)^2 (by Chris Dams).
X-Git-Tag: release_1-3-0~25
X-Git-Url: https://ginac.de/ginac.git/tutorial/ginac.git?a=commitdiff_plain;h=f80078edc54e88829875387c79b6adb8d791eb34;p=ginac.git

* power::info(): Unpolynomialize sin(x)^2 (by Chris Dams).
---

diff --git a/ginac/power.cpp b/ginac/power.cpp
index 309d529a..f2c3731a 100644
--- a/ginac/power.cpp
+++ b/ginac/power.cpp
@@ -222,12 +222,14 @@ bool power::info(unsigned inf) const
 		case info_flags::cinteger_polynomial:
 		case info_flags::rational_polynomial:
 		case info_flags::crational_polynomial:
-			return exponent.info(info_flags::nonnegint);
+			return exponent.info(info_flags::nonnegint) &&
+			       basis.info(inf);
 		case info_flags::rational_function:
-			return exponent.info(info_flags::integer);
+			return exponent.info(info_flags::integer) &&
+			       basis.info(inf);
 		case info_flags::algebraic:
-			return (!exponent.info(info_flags::integer) ||
-					basis.info(inf));
+			return !exponent.info(info_flags::integer) ||
+			       basis.info(inf);
 	}
 	return inherited::info(inf);
 }