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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      /** {@inheritDoc} */
30      @Override
31      public long[] convert(int[] seed) {
32          // Full length conversion
33          return Conversions.intArray2LongArray(seed, Conversions.longSizeFromIntSize(seed.length));
34      }
35  }