cachedRandomTemplates.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
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License
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    under the terms of the GNU General Public License as published by
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#include "cachedRandom.H"
#include "Pstream.H"

// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

template<class Type>
Type Foam::cachedRandom::sample01()
{
    Type value;
    for (direction cmpt=0; cmpt<pTraits<Type>::nComponents; cmpt++)
    {
        value.component(cmpt) = scalar01();
    }

    return value;
}


template<class Type>
Type Foam::cachedRandom::GaussNormal()
{
    Type value;
    for (direction cmpt=0; cmpt<pTraits<Type>::nComponents; cmpt++)
    {
        value.component(cmpt) = GaussNormal<scalar>();
    }

    return value;
}


template<class Type>
Type Foam::cachedRandom::position(const Type& start, const Type& end)
{
    Type value(start);
    for (direction cmpt=0; cmpt<pTraits<Type>::nComponents; cmpt++)
    {
        value.component(cmpt) +=
            scalar01()*(end.component(cmpt) - start.component(cmpt));
    }

    return value;
}


template<class Type>
void Foam::cachedRandom::randomise01(Type& value)
{
    value = sample01<Type>();
}


template<class Type>
Type Foam::cachedRandom::globalSample01()
{
    Type value = -GREAT*pTraits<Type>::one;

    if (Pstream::master())
    {
        value = sample01<Type>();
    }

    Pstream::scatter(value);

    return value;
}


template<class Type>
Type Foam::cachedRandom::globalGaussNormal()
{
    Type value = -GREAT*pTraits<Type>::one;

    if (Pstream::master())
    {
        value = GaussNormal<Type>();
    }

    Pstream::scatter(value);

    return value;
}


template<class Type>
Type Foam::cachedRandom::globalPosition(const Type& start, const Type& end)
{
    Type value = -GREAT*pTraits<Type>::one;

    if (Pstream::master())
    {
        value = position<Type>(start, end);
    }

    Pstream::scatter(value);

    return value;
}


template<class Type>
void Foam::cachedRandom::globalRandomise01(Type& value)
{
    value = -GREAT*pTraits<Type>::one;

    if (Pstream::master())
    {
        value = sample01<Type>();
    }

    Pstream::scatter(value);
}


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