exprDriverFields.C

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2019-2023 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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    under the terms of the GNU General Public License as published by
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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)
    {
        const TimeState* ts = this->timeState();

        if (ts)
        {
            seed = (ts->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();
}


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