globalIndexI.H 3.42 KB
Newer Older
1 2 3 4
/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
5
    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
6 7 8 9 10
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

11 12 13 14
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
15 16 17 18 19 20 21

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
22
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
23 24 25 26 27

\*---------------------------------------------------------------------------*/

#include "ListOps.H"

28 29 30 31 32 33 34 35 36 37 38 39
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

Foam::globalIndex::globalIndex()
{}


Foam::globalIndex::globalIndex(const Xfer<labelList>& offsets)
:
    offsets_(offsets)
{}


40 41
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

42 43 44 45 46 47
inline Foam::labelList& Foam::globalIndex::offsets()
{
    return offsets_;
}


48
inline Foam::label Foam::globalIndex::offset(const label procI) const
49
{
mattijs's avatar
mattijs committed
50
    return offsets_[procI];
51 52 53
}


mattijs's avatar
mattijs committed
54
inline Foam::label Foam::globalIndex::localSize(const label procI) const
mattijs's avatar
mattijs committed
55
{
mattijs's avatar
mattijs committed
56
    return offsets_[procI+1] - offsets_[procI];
mattijs's avatar
mattijs committed
57 58 59
}


mattijs's avatar
mattijs committed
60 61 62 63 64 65
inline Foam::label Foam::globalIndex::localSize() const
{
    return localSize(Pstream::myProcNo());
}


66 67
inline Foam::label Foam::globalIndex::size() const
{
68
    return offsets_.last();
69 70 71
}


72 73 74 75 76 77
inline Foam::label Foam::globalIndex::toGlobal
(
    const label procI,
    const label i
) const
{
mattijs's avatar
mattijs committed
78
    return i + offsets_[procI];
79 80 81
}


82 83
inline Foam::label Foam::globalIndex::toGlobal(const label i) const
{
84
    return toGlobal(Pstream::myProcNo(), i);
85 86
}

87

88
//- Is on local processor
89
inline bool Foam::globalIndex::isLocal(const label procI, const label i) const
90
{
mattijs's avatar
mattijs committed
91
    return i >= offsets_[procI] && i < offsets_[procI+1];
92 93 94 95 96 97
}


inline bool Foam::globalIndex::isLocal(const label i) const
{
    return isLocal(Pstream::myProcNo(), i);
98 99 100 101
}


inline Foam::label Foam::globalIndex::toLocal(const label procI, const label i)
102
const
103
{
mattijs's avatar
mattijs committed
104
    label localI = i - offsets_[procI];
105

mattijs's avatar
mattijs committed
106
    if (localI < 0 || i >= offsets_[procI+1])
107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124
    {
        FatalErrorIn("globalIndex::toLocal(const label, const label)")
            << "Global " << i << " does not belong on processor "
            << procI << endl << "Offsets:" << offsets_
            << abort(FatalError);
    }
    return localI;
}


inline Foam::label Foam::globalIndex::toLocal(const label i) const
{
    return toLocal(Pstream::myProcNo(), i);
}


inline Foam::label Foam::globalIndex::whichProcID(const label i) const
{
mattijs's avatar
mattijs committed
125
    if (i < 0 || i >= size())
126 127 128 129 130 131 132
    {
        FatalErrorIn("globalIndex::whichProcID(const label)")
            << "Global " << i << " does not belong on any processor."
            << " Offsets:" << offsets_
            << abort(FatalError);
    }

mattijs's avatar
mattijs committed
133
    return findLower(offsets_, i+1);
134 135 136 137
}


// ************************************************************************* //