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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;
import java.util.Arrays;

/**
 * NoopNormalizer returns a copy of the input, without normalizing it.
 */
public class NoopNormalizer implements VectorNormalizer, Serializable {
    private static final long serialVersionUID = 1L;

    @Override
    public double[] normalize(double[] input) {
        return Arrays.copyOf(input,input.length);
    }

}