From: David G. Andersen <dave.andersen@gmail.com>
Date: Fri, 21 Sep 2012 19:53:57 +0000 (+1000)
Subject: [release-branch.go1] math/big: Remove unnecessary test from nat.go multiplication
X-Git-Tag: go1.0.3~172
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=4b3a35b97969934bc6e6a9ecfedd01a2662ab08c;p=gostls13.git

[release-branch.go1] math/big: Remove unnecessary test from nat.go multiplication

««« backport c533f48701cb
math/big: Remove unnecessary test from nat.go multiplication
The switch at the beginning of the function already ensures n > 1,
so testing for n < 2 is redundant.

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/6350051

»»»
---

diff --git a/src/pkg/math/big/nat.go b/src/pkg/math/big/nat.go
index eaa6ff0666..6d81823bb4 100644
--- a/src/pkg/math/big/nat.go
+++ b/src/pkg/math/big/nat.go
@@ -396,7 +396,7 @@ func (z nat) mul(x, y nat) nat {
 	}
 
 	// use basic multiplication if the numbers are small
-	if n < karatsubaThreshold || n < 2 {
+	if n < karatsubaThreshold {
 		z = z.make(m + n)
 		basicMul(z, x, y)
 		return z.norm()