| // 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.spaceroots.mantissa.utilities; |
| |
| /** |
| * Wrapper class around an array in order to have it implement the |
| * {@link ArraySliceMappable} interface. |
| |
| * @version $Id$ |
| * @author L. Maisonobe |
| |
| */ |
| |
| public class MappableArray |
| implements ArraySliceMappable { |
| |
| /** Simple constructor. |
| * Build a mappable array from its dimension |
| * @param dimension dimension of the array |
| */ |
| public MappableArray(int dimension) { |
| internalArray = new double[dimension]; |
| for (int i = 0; i < dimension; ++i) { |
| internalArray[i] = 0; |
| } |
| } |
| |
| /** Simple constructor. |
| * Build a mappable array from an existing array |
| * @param array array to use |
| */ |
| public MappableArray(double[] array) { |
| internalArray = (double[]) array.clone(); |
| } |
| |
| /** Get the array stored in the instance. |
| * @return array stored in the instance |
| */ |
| public double[] getArray () { |
| return (double[]) internalArray.clone(); |
| } |
| |
| /** Get the dimension of the internal array. |
| * @return dimension of the array |
| */ |
| public int getStateDimension() { |
| return internalArray.length; |
| } |
| |
| /** Reinitialize internal state from the specified array slice data. |
| * @param start start index in the array |
| * @param array array holding the data to extract |
| */ |
| public void mapStateFromArray(int start, double[] array) { |
| System.arraycopy(array, start, internalArray, 0, internalArray.length); |
| } |
| |
| /** Store internal state data into the specified array slice. |
| * @param start start index in the array |
| * @param array array where data should be stored |
| */ |
| public void mapStateToArray(int start, double[] array) { |
| System.arraycopy(internalArray, 0, array, start, internalArray.length); |
| } |
| |
| /** Internal array holding all data. |
| */ |
| double[] internalArray; |
| |
| } |