/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Provides extra functionality for Java Number classes.
*
* @author Rand McNeely
* @author Stephen Colebourne
* @author Steve Downey
* @author Eric Pugh
* @author Phil Steitz
* @author Matthew Hawthorne
* @author Gary Gregory
* @author Fredrik Westermarck
* @since 2.0
* @version $Id: NumberUtils.java 609475 2008-01-06 23:58:59Z bayard $
*/
public class Main {
/**
* Returns the minimum value in an array.
*
* @param array an array, must not be null or empty
* @return the minimum value in the array
* @throws IllegalArgumentException if array is null
* @throws IllegalArgumentException if array is empty
* @see IEEE754rUtils#min(float[]) IEEE754rUtils for a version of this method that handles NaN differently
*/
public static float min(float[] array) {
// 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.");
}
// Finds and returns min
float min = array[0];
for (int i = 1; i < array.length; i++) {
if (Float.isNaN(array[i])) {
return Float.NaN;
}
if (array[i] < min) {
min = array[i];
}
}
return min;
}
}