Java Array Normalize normalize(double[] a)

Description

normalize

License

Open Source License

Declaration

public static void normalize(double[] a) 

Method Source Code

//package com.java2s;
/*/* www.  j  a  v a2  s .c om*/
 * Copyright (c) 2012-2013, Peter Abeles. All Rights Reserved.
 *
 * This file is part of DDogleg (http://ddogleg.org).
 *
 * Licensed 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.
 */

public class Main {
    public static void normalize(double[] a) {
        double total = sum(a);
        for (int i = 0; i < a.length; i++) {
            a[i] /= total;
        }
    }

    public static void normalize(float[] a) {
        float total = sum(a);
        for (int i = 0; i < a.length; i++) {
            a[i] /= total;
        }
    }

    @SuppressWarnings({ "ForLoopReplaceableByForEach" })
    public static double sum(double[] a) {
        double ret = 0;

        for (int i = 0; i < a.length; i++) {
            ret += a[i];
        }

        return ret;
    }

    public static float sum(float[] a) {
        float ret = 0;

        for (int i = 0; i < a.length; i++) {
            ret += a[i];
        }

        return ret;
    }
}

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