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/*
 * Copyright (c) 2015-2020, Oracle and/or its affiliates. All rights reserved.
 *
 * 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 implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.tribuo.math.util;

import java.io.Serializable;

/**
 * A functional interface that generates a normalized version of a double array.
 */
public interface VectorNormalizer extends Serializable {

    /**
     * Normalizes the input array in some fashion specified by the class.
     * @param input The input to normalize.
     * @return The normalized array.
     */
    public double[] normalize(double[] input);

}