From 147b32b7e34f18996f79437f7b80f512aba46515 Mon Sep 17 00:00:00 2001
From: fredj <frederic.junod@camptocamp.com>
Date: Wed, 15 Feb 2012 12:33:14 +0100
Subject: [PATCH] Don't compute limit if it's not needed

---
 lib/OpenLayers/Layer/XYZ.js | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/lib/OpenLayers/Layer/XYZ.js b/lib/OpenLayers/Layer/XYZ.js
index cc52d97fc6..43535dff79 100644
--- a/lib/OpenLayers/Layer/XYZ.js
+++ b/lib/OpenLayers/Layer/XYZ.js
@@ -147,10 +147,9 @@ OpenLayers.Layer.XYZ = OpenLayers.Class(OpenLayers.Layer.Grid, {
             OpenLayers.Util.indexOf(resolutions, res) :
             this.getServerZoom() + this.zoomOffset;
 
-        var limit = Math.pow(2, z);
-        if (this.wrapDateLine)
-        {
-           x = ((x % limit) + limit) % limit;
+        if (this.wrapDateLine) {
+            var limit = Math.pow(2, z);
+            x = ((x % limit) + limit) % limit;
         }
 
         return {'x': x, 'y': y, 'z': z};