Author: bodewig
Date: Mon Mar 5 11:40:35 2012
New Revision: 1297012
URL: http://svn.apache.org/viewvc?rev=1297012&view=rev
Log:
tiny performance tweak
Modified:
commons/proper/compress/trunk/src/main/java/org/apache/commons/compress/archivers/tar/TarUtils.java
Modified:
commons/proper/compress/trunk/src/main/java/org/apache/commons/compress/archivers/tar/TarUtils.java
URL:
http://svn.apache.org/viewvc/commons/proper/compress/trunk/src/main/java/org/apache/commons/compress/archivers/tar/TarUtils.java?rev=1297012&r1=1297011&r2=1297012&view=diff
==============================================================================
---
commons/proper/compress/trunk/src/main/java/org/apache/commons/compress/archivers/tar/TarUtils.java
(original)
+++
commons/proper/compress/trunk/src/main/java/org/apache/commons/compress/archivers/tar/TarUtils.java
Mon Mar 5 11:40:35 2012
@@ -380,7 +380,7 @@ public class TarUtils {
final int offset, final int length,
final boolean negative) {
final int bits = (length - 1) * 8;
- final long max = (long) Math.pow(2, bits);
+ final long max = 1l << bits;
long val = Math.abs(value);
if (val >= max) {
throw new IllegalArgumentException("Value " + value +
