small optimization for the toFloat func, r=pgiraud (closes #2875)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@10998 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2011-01-04 07:43:54 +00:00
parent d0ab1fd219
commit 1144b2cd8c
1 changed files with 3 additions and 5 deletions
--- a/lib/OpenLayers/Util.js
+++ b/lib/OpenLayers/Util.js
@@ -873,13 +873,11 @@ OpenLayers.Util.toFloat = function (number, precision) {
    if (precision == null) {
        precision = OpenLayers.Util.DEFAULT_PRECISION;
    }
-    var number;
-    if (precision == 0) {
+    if (typeof number !== "number") {
        number = parseFloat(number);
-    } else {
-        number = parseFloat(parseFloat(number).toPrecision(precision));
    }
-    return number;
+    return precision === 0 ? number :
+                             parseFloat(number.toPrecision(precision));
 };

 /**