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 int[]} with the requested number of random 023 * values. 024 * 025 * @since 1.0 026 */ 027public class Long2IntArray implements Seed2ArrayConverter<Long, int[]> { 028 /** Size of the output array. */ 029 private final int size; 030 031 /** 032 * Create an instance. 033 * 034 * @param size Size of the output array. 035 */ 036 public Long2IntArray(int size) { 037 this.size = size; 038 } 039 040 /** {@inheritDoc} */ 041 @Override 042 public int[] convert(Long seed) { 043 return convert(seed, size); 044 } 045 046 /** 047 * {@inheritDoc} 048 * 049 * @since 1.3 050 */ 051 @Override 052 public int[] convert(Long seed, int outputSize) { 053 return Conversions.long2IntArray(seed, outputSize); 054 } 055}