86 строки
2.3 KiB
Java
86 строки
2.3 KiB
Java
/*
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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 : Intercomm.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: 1.5 $
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* Updated : $Date: 1999/09/14 20:50:11 $
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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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//import mpi.*;
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public class Intercomm extends Comm {
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protected Intercomm(long handle) {super(handle) ;}
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public Object clone() {
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return new Intercomm(super.dup());
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}
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// Inter-Communication
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/**
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* Size of remote group.
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* <p>
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* <table>
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* <tr><td><em> returns: </em></td><td> number of process in remote group
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* of this communicator </tr>
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* </table>
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* <p>
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* Java binding of the MPI operation <tt>MPI_COMM_REMOTE_SIZE</tt>.
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*/
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public native int Remote_size() throws MPIException ;
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/**
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* Return the remote group.
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* <p>
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* <table>
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* <tr><td><em> returns: </em></td><td> remote group of this
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* communicator </tr>
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* </table>
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* <p>
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* Java binding of the MPI operation <tt>MPI_COMM_REMOTE_GROUP</tt>.
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*/
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public Group Remote_group() throws MPIException {
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return new Group(remote_group());
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}
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private native long remote_group();
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/**
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* Create an inter-communicator.
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* <p>
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* <table>
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* <tr><td><tt> high </tt></td><td> true if the local group has higher
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* ranks in combined group </tr>
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* <tr><td><em> returns: </em></td><td> new intra-communicator </tr>
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* </table>
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* <p>
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* Java binding of the MPI operation <tt>MPI_INTERCOMM_MERGE</tt>.
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*/
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public Intracomm Merge(boolean high) throws MPIException {
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return new Intracomm(merge(high)) ;
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}
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private native long merge(boolean high);
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}
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