exprDriverFields.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    Copyright (C) 2019-2021 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    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.
 
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    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
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#include "exprDriver.H"
#include "FieldOps.H"
#include "Random.H"
#include "TimeState.H"
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::expressions::exprDriver::fill_random
(
    scalarField& field,
    label seed,
    const bool gaussian
) const
{
    if (seed <= 0)
    {
        if (timeStatePtr_)
        {
            seed = (timeStatePtr_->timeIndex() - seed);
        }
        else
        {
            seed = -seed;
        }
    }
 
    if (gaussian)
    {
        Random::gaussianGeneratorOp<scalar> gen(seed);
        FieldOps::assign(field, field, gen);
    }
    else
    {
        Random::uniformGeneratorOp<scalar> gen(seed);
        FieldOps::assign(field, field, gen);
    }
}
 
 
Foam::point Foam::expressions::exprDriver::getPositionOfMinimum
(
    const scalarField& vals,
    const pointField& locs
)
{
    return FieldOps::findMinData(vals, locs).second();
}
 
 
Foam::point Foam::expressions::exprDriver::getPositionOfMaximum
(
    const scalarField& vals,
    const pointField& locs
)
{
    return FieldOps::findMaxData(vals, locs).second();
}
 
 
// ************************************************************************* //