1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | foam-extend: Open Source CFD
4 \\ / O peration | Version: 3.2
5 \\ / A nd | Web: http://www.foam-extend.org
6 \\/ M anipulation | For copyright notice see file Copyright
7 -------------------------------------------------------------------------------
9 This file is part of foam-extend.
11 foam-extend is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation, either version 3 of the License, or (at your
14 option) any later version.
16 foam-extend is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
24 \*---------------------------------------------------------------------------*/
26 #include "globalIndex.H"
28 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
30 Foam::globalIndex::globalIndex(const label localSize)
32 offsets_(Pstream::nProcs())
34 labelList localSizes(Pstream::nProcs());
35 localSizes[Pstream::myProcNo()] = localSize;
36 Pstream::gatherList(localSizes);
37 Pstream::scatterList(localSizes); // just to balance out comms
40 forAll(offsets_, procI)
42 label oldOffset = offset;
43 offset += localSizes[procI];
45 if (offset < oldOffset)
47 FatalErrorIn("globalIndex::globalIndex(const label)")
48 << "Overflow : sum of sizes " << localSizes
49 << " exceeds capability of label (" << labelMax
50 << "). Please recompile with larger datatype for label."
53 offsets_[procI] = offset;
58 Foam::globalIndex::globalIndex(Istream& is)
64 // * * * * * * * * * * * * * * * Friend Operators * * * * * * * * * * * * * //
66 Foam::Istream& Foam::operator>>(Istream& is, globalIndex& gi)
68 return is >> gi.offsets_;
72 Foam::Ostream& Foam::operator<<(Ostream& os, const globalIndex& gi)
74 return os << gi.offsets_;
78 // ************************************************************************* //