From: Richard Kreckel <kreckel@ginac.de>
Date: Sat, 6 Feb 2016 22:19:35 +0000 (+0100)
Subject: minor optimization in power::expand_add
X-Git-Tag: release_1-7-0~7^2~8
X-Git-Url: https://www.ginac.de/ginac.git/static/git-favicon.png/ginac.git?a=commitdiff_plain;h=d8afbd7d2cfeb557a6f9979475326332441152da;p=ginac.git

minor optimization in power::expand_add
---

diff --git a/ginac/power.cpp b/ginac/power.cpp
index 5cddca89..a3c77dc5 100644
--- a/ginac/power.cpp
+++ b/ginac/power.cpp
@@ -1065,7 +1065,7 @@ multinomial_coefficient(const std::vector<int> & p)
 		n += numeric(it);
 		d *= factorial(numeric(it));
 	}
-	return factorial(numeric(n)) / d;
+	return factorial(n) / d;
 }
 
 }  // anonymous namespace
@@ -1199,7 +1199,7 @@ ex power::expand_add(const add & a, long n, unsigned options)
 							factor = factor.mul(c.power(exponent[i]));
 					}
 				}
-				result.push_back(expair(mul(monomial).expand(options), factor));
+				result.push_back(expair(mul(std::move(monomial)).expand(options), factor));
 			} while (compositions.next());
 		} while (partitions.next());
 	}