1dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond/* 2dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * Licensed to the Apache Software Foundation (ASF) under one or more 3dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * contributor license agreements. See the NOTICE file distributed with 4dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * this work for additional information regarding copyright ownership. 5dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * The ASF licenses this file to You under the Apache License, Version 2.0 6dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * (the "License"); you may not use this file except in compliance with 7dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * the License. You may obtain a copy of the License at 8dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * 9dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * http://www.apache.org/licenses/LICENSE-2.0 10dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * 11dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * Unless required by applicable law or agreed to in writing, software 12dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * distributed under the License is distributed on an "AS IS" BASIS, 13dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * See the License for the specific language governing permissions and 15dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * limitations under the License. 16dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond */ 17dee0849a9704d532af0b550146cbafbaa6ee1d19Raymondpackage org.apache.commons.math.analysis.interpolation; 18dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 19dee0849a9704d532af0b550146cbafbaa6ee1d19Raymondimport org.apache.commons.math.MathException; 20dee0849a9704d532af0b550146cbafbaa6ee1d19Raymondimport org.apache.commons.math.analysis.TrivariateRealFunction; 21dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 22dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond/** 23dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * Interface representing a trivariate real interpolating function where the 24dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * sample points must be specified on a regular grid. 25dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * 26dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @version $Revision$ $Date$ 27dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @since 2.2 28dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond */ 29dee0849a9704d532af0b550146cbafbaa6ee1d19Raymondpublic interface TrivariateRealGridInterpolator { 30dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond /** 31dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * Computes an interpolating function for the data set. 32dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * 33dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @param xval All the x-coordinates of the interpolation points, sorted 34dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * in increasing order. 35dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @param yval All the y-coordinates of the interpolation points, sorted 36dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * in increasing order. 37dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @param zval All the z-coordinates of the interpolation points, sorted 38dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * in increasing order. 39dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @param fval the values of the interpolation points on all the grid knots: 40dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * {@code fval[i][j][k] = f(xval[i], yval[j], zval[k])}. 41dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @return a function that interpolates the data set. 42dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @throws org.apache.commons.math.exception.NoDataException if any of the arrays has zero length. 43dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @throws org.apache.commons.math.exception.DimensionMismatchException if the array lengths are inconsistent. 44dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @throws MathException if arguments violate assumptions made by the 45dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * interpolation algorithm. 46dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond */ 47dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond TrivariateRealFunction interpolate(double[] xval, double[] yval, double[] zval, double[][][] fval) 48dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond throws MathException; 49dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond} 50