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/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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.
 */

package org.codelibs.elasticsearch.common.util;

/**
 * Abstraction of an array of double values.
 */
public interface DoubleArray extends BigArray {

    /**
     * Get an element given its index.
     */
    double get(long index);

    /**
     * Set a value at the given index and return the previous value.
     */
    double set(long index, double value);

    /**
     * Increment value at the given index by inc and return the value.
     */
    double increment(long index, double inc);

    /**
     * Fill slots between fromIndex inclusive to toIndex exclusive with value.
     */
    void fill(long fromIndex, long toIndex, double value);

}