1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.rng.simple.internal;
18
19 /**
20 * Creates a {@code long[]} from an {@code int[]}.
21 *
22 * <p>Note: From version 1.5 this conversion uses the int bytes to compose the long bytes
23 * in little-endian order.
24 * The output {@code long[]} can be converted back using {@link LongArray2IntArray}.
25 *
26 * @since 1.0
27 */
28 public class IntArray2LongArray implements SeedConverter<int[], long[]> {
29 /** Create an instance. */
30 public IntArray2LongArray() {}
31
32 /** {@inheritDoc} */
33 @Override
34 public long[] convert(int[] seed) {
35 // Full length conversion
36 return Conversions.intArray2LongArray(seed, Conversions.longSizeFromIntSize(seed.length));
37 }
38 }