001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.rng.simple.internal;
018
019/**
020 * Uses a {@code Long} value to seed a
021 * {@link org.apache.commons.rng.core.source64.SplitMix64 SplitMix64} RNG and
022 * create a {@code long[]} with the requested number of random
023 * values.
024 *
025 * @since 1.0
026 */
027public class Long2LongArray implements Seed2ArrayConverter<Long, long[]> {
028    /** Size of the output array. */
029    private final int size;
030
031    /**
032     * @param size Size of the output array.
033     */
034    public Long2LongArray(int size) {
035        this.size = size;
036    }
037
038
039    /** {@inheritDoc} */
040    @Override
041    public long[] convert(Long seed) {
042        return convert(seed, size);
043    }
044
045    /**
046     * {@inheritDoc}
047     *
048     * @since 1.3
049     */
050    @Override
051    public long[] convert(Long seed, int outputSize) {
052        return Conversions.long2LongArray(seed, outputSize);
053    }
054}