From 5a28357bb55457094123e45646af0e52996f7032 Mon Sep 17 00:00:00 2001
From: Duncan Jones <djones@apache.org>
Date: Sat, 10 May 2014 07:22:22 +0000
Subject: [PATCH] Using Validate where possible in math package.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1593679 13f79535-47bb-0310-9956-ffa450edef68
---
 .../commons/lang3/math/IEEE754rUtils.java     | 29 +++++++++----------
 .../commons/lang3/math/NumberUtils.java       |  6 ++--
 2 files changed, 17 insertions(+), 18 deletions(-)

diff --git a/src/main/java/org/apache/commons/lang3/math/IEEE754rUtils.java b/src/main/java/org/apache/commons/lang3/math/IEEE754rUtils.java
index 3fe3b259a..a32ce47c7 100644
--- a/src/main/java/org/apache/commons/lang3/math/IEEE754rUtils.java
+++ b/src/main/java/org/apache/commons/lang3/math/IEEE754rUtils.java
@@ -16,6 +16,8 @@
  */
 package org.apache.commons.lang3.math;
 
+import org.apache.commons.lang3.Validate;
+
 /**
  * <p>Provides IEEE-754r variants of NumberUtils methods. </p>
  *
@@ -39,9 +41,9 @@ public class IEEE754rUtils {
         // Validates input
         if (array == null) {
             throw new IllegalArgumentException("The Array must not be null");
-        } else if (array.length == 0) {
-            throw new IllegalArgumentException("Array cannot be empty.");
-        }
+        } 
+        Validate.isTrue(array.length != 0, "Array cannot be empty.");
+        
     
         // Finds and returns min
         double min = array[0];
@@ -65,10 +67,9 @@ public class IEEE754rUtils {
         // Validates input
         if (array == null) {
             throw new IllegalArgumentException("The Array must not be null");
-        } else if (array.length == 0) {
-            throw new IllegalArgumentException("Array cannot be empty.");
-        }
-    
+        } 
+        Validate.isTrue(array.length != 0, "Array cannot be empty.");
+        
         // Finds and returns min
         float min = array[0];
         for (int i = 1; i < array.length; i++) {
@@ -159,10 +160,9 @@ public class IEEE754rUtils {
         // Validates input
         if (array== null) {
             throw new IllegalArgumentException("The Array must not be null");
-        } else if (array.length == 0) {
-            throw new IllegalArgumentException("Array cannot be empty.");
-        }
-    
+        }         
+        Validate.isTrue(array.length != 0, "Array cannot be empty.");
+        
         // Finds and returns max
         double max = array[0];
         for (int j = 1; j < array.length; j++) {
@@ -185,10 +185,9 @@ public class IEEE754rUtils {
         // Validates input
         if (array == null) {
             throw new IllegalArgumentException("The Array must not be null");
-        } else if (array.length == 0) {
-            throw new IllegalArgumentException("Array cannot be empty.");
-        }
-
+        } 
+        Validate.isTrue(array.length != 0, "Array cannot be empty.");
+        
         // Finds and returns max
         float max = array[0];
         for (int j = 1; j < array.length; j++) {
diff --git a/src/main/java/org/apache/commons/lang3/math/NumberUtils.java b/src/main/java/org/apache/commons/lang3/math/NumberUtils.java
index 5a6d28dba..602fabe0e 100644
--- a/src/main/java/org/apache/commons/lang3/math/NumberUtils.java
+++ b/src/main/java/org/apache/commons/lang3/math/NumberUtils.java
@@ -21,6 +21,7 @@ import java.math.BigDecimal;
 import java.math.BigInteger;
 
 import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.lang3.Validate;
 
 /**
  * <p>Provides extra functionality for Java Number classes.</p>
@@ -1092,9 +1093,8 @@ public class NumberUtils {
     private static void validateArray(final Object array) {
         if (array == null) {
             throw new IllegalArgumentException("The Array must not be null");
-        } else if (Array.getLength(array) == 0) {
-            throw new IllegalArgumentException("Array cannot be empty.");
-        }
+        }        
+        Validate.isTrue(Array.getLength(array) != 0, "Array cannot be empty.");        
     }
      
     // 3 param min