MATH-1366

Obsolete class removed (replaced by method "asUniformRandomProvider" in "RandomUtils").

src/main/java/org/apache/commons/math4/random/RandomGeneratorFactory.java

@@ -1,133 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF 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.apache.commons.math4.random;
-
-import java.util.Random;
-
-import org.apache.commons.math4.exception.NotStrictlyPositiveException;
-
-/**
- * Utilities for creating {@link RandomGenerator} instances.
- *
- * @since 3.3
- */
-public class RandomGeneratorFactory {
-    /**
-     * Class contains only static methods.
-     */
-    private RandomGeneratorFactory() {}
-
-    /**
-     * Creates a {@link RandomGenerator} instance that wraps a
-     * {@link Random} instance.
-     *
-     * @param rng JDK {@link Random} instance that will generate the
-     * the random data.
-     * @return the given RNG, wrapped in a {@link RandomGenerator}.
-     */
-    public static RandomGenerator createRandomGenerator(final Random rng) {
-        return new RandomGenerator() {
-            /** {@inheritDoc} */
-            @Override
-            public void setSeed(int seed) {
-                rng.setSeed((long) seed);
-            }
-
-            /** {@inheritDoc} */
-            @Override
-            public void setSeed(int[] seed) {
-                rng.setSeed(convertToLong(seed));
-            }
-
-            /** {@inheritDoc} */
-            @Override
-            public void setSeed(long seed) {
-                rng.setSeed(seed);
-            }
-
-            /** {@inheritDoc} */
-            @Override
-            public void nextBytes(byte[] bytes) {
-                rng.nextBytes(bytes);
-            }
-
-            /** {@inheritDoc} */
-            @Override
-            public int nextInt() {
-                return rng.nextInt();
-            }
-
-            /** {@inheritDoc} */
-            @Override
-            public int nextInt(int n) {
-                if (n <= 0) {
-                    throw new NotStrictlyPositiveException(n);
-                }
-                return rng.nextInt(n);
-            }
-
-            /** {@inheritDoc} */
-            @Override
-            public long nextLong() {
-                return rng.nextLong();
-            }
-
-            /** {@inheritDoc} */
-            @Override
-            public boolean nextBoolean() {
-                return rng.nextBoolean();
-            }
-
-            /** {@inheritDoc} */
-            @Override
-            public float nextFloat() {
-                return rng.nextFloat();
-            }
-
-            /** {@inheritDoc} */
-            @Override
-            public double nextDouble() {
-                return rng.nextDouble();
-            }
-
-            /** {@inheritDoc} */
-            @Override
-            public double nextGaussian() {
-                return rng.nextGaussian();
-            }
-        };
-    }
-
-    /**
-     * Converts seed from one representation to another.
-     *
-     * @param seed Original seed.
-     * @return the converted seed.
-     */
-    public static long convertToLong(int[] seed) {
-        // The following number is the largest prime that fits
-        // in 32 bits (i.e. 2^32 - 5).
-        final long prime = 4294967291l;
-
-        long combined = 0l;
-        for (int s : seed) {
-            combined = combined * prime + s;
-        }
-
-        return combined;
-    }
-}