Fix temperature value

Thanks to @jalava, who posted issue #1.
parmentf · Sep 9, 2013 · 95f64c7 · 95f64c7
1 parent 59b05df
commit 95f64c7
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/random-weighted-choice.js b/lib/random-weighted-choice.js
@@ -6,7 +6,7 @@ var debug = require('debug')('rwc');
 var RandomWeightedChoice = function (table, temperature, randomFunction, influence) {
   influence = influence || 2; // Seems fine, difficult to tune
   if (typeof(temperature)=="undefined") temperature =  50; // in [0,100], 50 is neutral
-  temperature = temperature | 50;
+  temperature = isNaN(temperature) ? 50 : temperature;
   debug('temperature', temperature);
   var T = (temperature - 50) / 50;
   if (typeof(randomFunction)=="undefined") randomFunction = Math.random;
@@ -62,4 +62,4 @@ var RandomWeightedChoice = function (table, temperature, randomFunction, influen
   }
 };
 
-module.exports = RandomWeightedChoice;
+module.exports = RandomWeightedChoice;