115 строки
3.3 KiB
Java
115 строки
3.3 KiB
Java
/*
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* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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/*
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* This file is almost a complete re-write for Open MPI compared to the
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* original mpiJava package. Its license and copyright are listed below.
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* See <path to ompi/mpi/java/README> for more information.
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*/
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/*
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/*
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* File : CartParms.java
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* Author : Xinying Li
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* Created : Thu Apr 9 12:22:15 1998
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* Revision : $Revision: 1.1 $
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* Updated : $Date: 1998/08/26 18:49:50 $
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* Copyright: Northeast Parallel Architectures Center
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* at Syracuse University 1998
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*/
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package mpi;
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/**
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* Cartesian topology information associated with a communicator.
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*/
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public final class CartParms
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{
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/** Number of processes for each cartesian dimension. */
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private final int[] dims;
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/** Periodicity (true/false) for each cartesian dimension. */
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private final boolean[] periods;
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/** Coordinates of calling process in cartesian structure. */
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private final int[] coords;
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/**
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* Constructs a cartesian topology information object.
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* @param dims number of processes for each cartesian dimension.
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* @param periods periodicity (true/false) for each cartesian dimension.
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* @param coords coordinates of calling process in cartesian structure.
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*/
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protected CartParms(int[] dims, boolean[] periods, int[] coords)
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{
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this.dims = dims;
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this.periods = periods;
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this.coords = coords;
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}
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/**
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* Returns the number of dimensions.
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* @return number of dimensions.
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*/
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public int getDimCount()
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{
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return dims.length;
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}
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/**
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* Returns the number of processes for a cartesian dimension.
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* @param i cartesian dimension.
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* @return number of processes for a cartesian dimension.
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*/
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public int getDim(int i)
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{
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return dims[i];
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}
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/**
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* Returns the periodicity (true/false) for a cartesian dimension.
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* @param i cartesian dimension.
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* @return periodicity for a cartesian dimension.
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*/
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public boolean getPeriod(int i)
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{
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return periods[i];
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}
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/**
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* Returns the coordinate of calling process for a cartesian dimension.
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* @param i cartesian dimension.
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* @return coordinate of calling process for a cartesian dimension.
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*/
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public int getCoord(int i)
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{
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return coords[i];
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}
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} // CartParms
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