APPSPACK_Executor_Serial.cpp

00001 // $Id: APPSPACK_Executor_Serial.cpp,v 1.8 2006/06/30 01:42:08 tgkolda Exp $ 
00002 // $Source: /space/CVS-Acro/acro/packages/appspack/appspack/src/APPSPACK_Executor_Serial.cpp,v $ 
00003 
00004 //@HEADER
00005 // ************************************************************************
00006 // 
00007 //          APPSPACK: Asynchronous Parallel Pattern Search
00008 //                 Copyright (2003) Sandia Corporation
00009 // 
00010 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00011 // license for use of this work by or on behalf of the U.S. Government.
00012 // 
00013 // This library is free software; you can redistribute it and/or modify
00014 // it under the terms of the GNU Lesser General Public License as
00015 // published by the Free Software Foundation; either version 2.1 of the
00016 // License, or (at your option) any later version.
00017 //  
00018 // This library is distributed in the hope that it will be useful, but
00019 // WITHOUT ANY WARRANTY; without even the implied warranty of
00020 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00021 // Lesser General Public License for more details.
00022 //                                                                                 
00023 // You should have received a copy of the GNU Lesser General Public
00024 // License along with this library; if not, write to the Free Software
00025 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00026 // USA.                                                                           .
00027 // 
00028 // Questions? Contact Tammy Kolda (tgkolda@sandia.gov) 
00029 // 
00030 // ************************************************************************
00031 //@HEADER
00032 
00038 #include "APPSPACK_Executor_Serial.hpp"
00039 
00040 APPSPACK::Executor::Serial::Serial(Evaluator::Interface& evaluator_in) :
00041   evaluator(evaluator_in),
00042   isFree(true)
00043 {
00044 }
00045 
00046 bool APPSPACK::Executor::Serial::isWaiting() const
00047 {
00048   return isFree;
00049 }
00050 
00051 bool APPSPACK::Executor::Serial::spawn(const Vector& x_in, int tag_in)
00052 {
00053   if (!isFree)
00054     return false;
00055 
00056   tag = tag_in;
00057   evaluator(tag, x_in, f, msg);
00058   isFree = false;
00059 
00060   return true;
00061 }
00062 
00063 int APPSPACK::Executor::Serial::recv(int& tag_out, Vector& f_out, string& msg_out)
00064 {
00065   if (isFree)
00066     return 0;
00067 
00068   tag_out = tag;
00069   f_out = f;
00070   msg_out = msg;
00071   isFree = true;
00072 
00073   return 1;
00074 }
00075 
00076 void APPSPACK::Executor::Serial::print() const
00077 {
00078   cout << "\n";
00079   cout << "Using Serial Executor " << endl;
00080   evaluator.print();
00081 }