From c447b64c6b5862d368226b42c8ee1a9363f592c4 Mon Sep 17 00:00:00 2001
From: student <student@unibit.local>
Date: Tue, 6 Mar 2018 14:55:24 +0200
Subject: [PATCH] Pseudo-random number generator local variable was moved as
 static private class member.

---
 .../simpleneuralnetwork/neuralnetwork/utils/Utils.java    | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/com/jlmd/simpleneuralnetwork/neuralnetwork/utils/Utils.java b/src/com/jlmd/simpleneuralnetwork/neuralnetwork/utils/Utils.java
index e82958f..5ab04dd 100644
--- a/src/com/jlmd/simpleneuralnetwork/neuralnetwork/utils/Utils.java
+++ b/src/com/jlmd/simpleneuralnetwork/neuralnetwork/utils/Utils.java
@@ -6,6 +6,11 @@
  * @author jlmd
  */
 public class Utils {
+	/**
+	 * Pseudo-random number generator instance.
+	 */
+    private static final Random PRNG = new Random();
+
     /**
      * Returns a pseudo-random number between min and max, inclusive
      * @param min Minimum value
@@ -13,7 +18,6 @@ public class Utils {
      * @return float between min and max, inclusive
      */
     public static float randFloat(float min, float max) {
-        Random rand = new Random();
-        return rand.nextFloat() * (max - min) + min;
+        return PRNG.nextFloat() * (max - min) + min;
     }
 }