From 05d562387c62510aaeb748d5e51b0f27a7dec490 Mon Sep 17 00:00:00 2001
From: "ray.j.greenwell" <ray.j.greenwell@6335cc39-0255-0410-8fd6-9bcaacd3b74c>
Date: Wed, 13 Jan 2010 18:34:15 +0000
Subject: [PATCH] Added getProbability(), from Dave Hoover.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@2698 6335cc39-0255-0410-8fd6-9bcaacd3b74c
---
 src/java/com/samskivert/util/RandomUtil.java | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/java/com/samskivert/util/RandomUtil.java b/src/java/com/samskivert/util/RandomUtil.java
index 8a53b922..608f7ee7 100644
--- a/src/java/com/samskivert/util/RandomUtil.java
+++ b/src/java/com/samskivert/util/RandomUtil.java
@@ -114,6 +114,24 @@ public class RandomUtil
         return getInt(n, r) == 0;
     }
 
+     /**
+     * Has a probability p of returning true.
+     */
+    public static boolean getProbability (float p)
+    {
+        return getProbability(p, rand);
+    }
+
+    /**
+     * Has a probability p of returning true.
+     *
+     * @param r the random number generator to use
+     */
+    public static boolean getProbability (float p, Random r)
+    {
+        return r.nextFloat() < p;
+    }
+
     /**
      * Returns a pseudorandom, uniformly distributed boolean.
      */