add NextDouble()

Author: Rwing

README.md

@@ -16,6 +16,7 @@ console.log(random.Next());
 console.log(random.Next(1, 99999999));
 console.log(random.Next(10, 20));
 console.log(random.Next(10));
+console.log(random.NextDouble());
 ```
 
 ![random-node](https://raw.githubusercontent.com/Rwing/Rwing-s-Repository/master/images/random-node.png)

lib/random.js

@@ -72,6 +72,11 @@ class Random {
         var range = maxValue - minValue;
         return parseInt(this.Sample() * range) + minValue;
     }
+
+    NextDouble() {
+        //match to c# double https://msdn.microsoft.com/en-us/library/678hzkk9.aspx
+        return parseFloat(this.Sample().toFixed(15));
+    }
 }
 
 module.exports = Random;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "node-csharp-random",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "description": "a random library like as Random Class of C#",
   "main": "index.js",
   "scripts": {

sample.js

@@ -12,4 +12,5 @@ random = new Random(99999999);
 console.log(random.Next());
 console.log(random.Next(1, 99999999));
 console.log(random.Next(10, 20));
-console.log(random.Next(10));
+console.log(random.Next(10));
+console.log(random.NextDouble());