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Posted to commits@ignite.apache.org by sb...@apache.org on 2017/05/29 07:56:33 UTC
[06/12] ignite git commit: ignite-gg-12163 utils update nearestPow2
ignite-gg-12163 utils update nearestPow2
Project: http://git-wip-us.apache.org/repos/asf/ignite/repo
Commit: http://git-wip-us.apache.org/repos/asf/ignite/commit/874096f3
Tree: http://git-wip-us.apache.org/repos/asf/ignite/tree/874096f3
Diff: http://git-wip-us.apache.org/repos/asf/ignite/diff/874096f3
Branch: refs/heads/ignite-5075-pds
Commit: 874096f33a68e61d96dfce2ef3af0f354b4ce102
Parents: 68ee063
Author: Dmitriy Govorukhin <dm...@gmail.com>
Authored: Fri May 26 11:54:59 2017 +0300
Committer: Dmitriy Govorukhin <dm...@gmail.com>
Committed: Fri May 26 11:54:59 2017 +0300
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.../java/org/apache/ignite/internal/util/IgniteUtils.java | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/ignite/blob/874096f3/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
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diff --git a/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java b/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
index 555238f..90de683 100755
--- a/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
@@ -10197,10 +10197,16 @@ public abstract class IgniteUtils {
* @param less Less.
*/
public static int nearestPow2(int x, boolean less) {
+ assert x > 0 : "can not calculate for less zero";
+
int y = 1;
- while (y < x)
+ while (y < x){
+ if ((long)y * 2 > Integer.MAX_VALUE)
+ return y;
+
y *= 2;
+ }
if (less)
y /= 2;