X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=dygraph-layout.js;h=4caa935e167b5c64e55fe7f73b9a965aa84d06f5;hb=11ce506e365f0dfb3a2b489847b5a24d27fe1f9d;hp=7a056e9aabf0c24c2d670aaeaa9b045bb640d951;hpb=ee60939f4e2238cbb64ebbe7acdc27195c149cfb;p=dygraphs.git

diff --git a/dygraph-layout.js b/dygraph-layout.js
index 7a056e9..4caa935 100644
--- a/dygraph-layout.js
+++ b/dygraph-layout.js
@@ -207,7 +207,13 @@ DygraphLayout.prototype._evaluateLimits = function() {
   }
 };
 
-DygraphLayout._calcYNormal = function(axis, value, logscale) {
+/**
+ * @param {DygraphAxisType} axis
+ * @param {number} value
+ * @param {boolean} logscale
+ * @return {number}
+ */
+DygraphLayout.calcYNormal_ = function(axis, value, logscale) {
   if (logscale) {
     var x = 1.0 - ((Dygraph.log10(value) - Dygraph.log10(axis.minyval)) * axis.ylogscale);
     return isFinite(x) ? x : NaN;  // shim for v8 issue; see pull request 276
@@ -235,7 +241,7 @@ DygraphLayout.prototype._evaluateLineCharts = function() {
       // Range from 0-1 where 0 represents top and 1 represents bottom
       var yval = point.yval;
       if (isStacked) {
-        point.y_stacked = DygraphLayout._calcYNormal(
+        point.y_stacked = DygraphLayout.calcYNormal_(
             axis, point.yval_stacked, logscale);
         if (yval !== null && !isNaN(yval)) {
           yval = point.yval_stacked;
@@ -247,27 +253,13 @@ DygraphLayout.prototype._evaluateLineCharts = function() {
           point.yval = NaN;
         }
       }
-      point.y = DygraphLayout._calcYNormal(axis, yval, logscale);
+      point.y = DygraphLayout.calcYNormal_(axis, yval, logscale);
     }
 
     this.dygraph_.dataHandler_.onLineEvaluated(points, axis, logscale);
   }
 };
 
-/**
- * Optimized replacement for parseFloat, which was way too slow when almost
- * all values were type number, with few edge cases, none of which were strings.
- */
-DygraphLayout.parseFloat_ = function(val) {
-  // parseFloat(null) is NaN
-  if (val === null) {
-    return NaN;
-  }
-
-  // Assume it's a number or NaN. If it's something else, I'll be shocked.
-  return val;
-};
-
 DygraphLayout.prototype._evaluateLineTicks = function() {
   var i, tick, label, pos;
   this.xticks = [];