| /* |
| * 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.rng; |
| |
| /** |
| * Applies to generators that can be advanced a very large number of |
| * steps of the output sequence in a single operation. |
| * |
| * @since 1.3 |
| */ |
| public interface LongJumpableUniformRandomProvider extends JumpableUniformRandomProvider { |
| /** |
| * Creates a copy of the JumpableUniformRandomProvider and then advances the |
| * state of the current instance. The copy is returned. |
| * |
| * <p>The current state will be advanced in a single operation by the equivalent of a |
| * number of sequential calls to a method that updates the state of the provider. The |
| * size of the long jump is implementation dependent.</p> |
| * |
| * <p>Repeat invocations of this method will create a series of generators |
| * that are uniformly spaced at intervals of the output sequence. Each generator provides |
| * non-overlapping output for the length of the long jump for use in parallel computations.</p> |
| * |
| * <p>The returned copy may be jumped {@code m / n} times before overlap with the current |
| * instance where {@code m} is the long jump length and {@code n} |
| * is the jump length of the {@link #jump()} method. |
| * |
| * @return A copy of the current state. |
| */ |
| JumpableUniformRandomProvider longJump(); |
| } |