00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software: you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by 00013 the Free Software Foundation, either version 3 of the License, or 00014 (at your option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. 00023 00024 \*---------------------------------------------------------------------------*/ 00025 00026 #include <OpenFOAM/globalIndex.H> 00027 00028 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * // 00029 00030 Foam::globalIndex::globalIndex(const label localSize) 00031 : 00032 offsets_(Pstream::nProcs()) 00033 { 00034 labelList localSizes(Pstream::nProcs()); 00035 localSizes[Pstream::myProcNo()] = localSize; 00036 Pstream::gatherList(localSizes); 00037 Pstream::scatterList(localSizes); // just to balance out comms 00038 00039 label offset = 0; 00040 forAll(offsets_, procI) 00041 { 00042 label oldOffset = offset; 00043 offset += localSizes[procI]; 00044 00045 if (offset < oldOffset) 00046 { 00047 FatalErrorIn("globalIndex::globalIndex(const label)") 00048 << "Overflow : sum of sizes " << localSizes 00049 << " exceeds capability of label (" << labelMax 00050 << "). Please recompile with larger datatype for label." 00051 << exit(FatalError); 00052 } 00053 offsets_[procI] = offset; 00054 } 00055 } 00056 00057 00058 Foam::globalIndex::globalIndex(Istream& is) 00059 { 00060 is >> offsets_; 00061 } 00062 00063 00064 // * * * * * * * * * * * * * * * Friend Operators * * * * * * * * * * * * * // 00065 00066 Foam::Istream& Foam::operator>>(Istream& is, globalIndex& gi) 00067 { 00068 return is >> gi.offsets_; 00069 } 00070 00071 00072 Foam::Ostream& Foam::operator<<(Ostream& os, const globalIndex& gi) 00073 { 00074 return os << gi.offsets_; 00075 } 00076 00077 00078 // ************************ vim: set sw=4 sts=4 et: ************************ //
