/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  v2006                                 |
|   \\  /    A nd           | Website:  www.openfoam.com                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      dictionary;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

// Do comparison. Handles the first token after then '#if', which should
// correspond to a logical (true/false, ...) and integer (0,1, ...)
// but also a floating-point value with 0-1 range.

#if ${FOAM_API:-false}
    foamApi nonZero is ${FOAM_API:-0};
#else
    foamApi zeroValue;
#endif

#if ${XX_XXX_FOAM_API:-1000}
    other "some entry" ${XX_XXX_FOAM_API:-(0 1 0)};
#else
    other "unexpected";
#endif


#if 0.1
    roundToZero failed;
#else
    roundToZero good with ${__expand_or_ignore_:-};
#endif

#if 0.99
    roundToOne good;
#else
    roundToOne failed;
#endif

#if -0.1
    roundNegZero failed;
#else
    roundNegZero good;
#endif

#if -0.99
    roundToNegOne good;
#else
    roundToNegOne failed;
#endif


#if #eval "${FOAM_API:-0} >= 1910"
    evalType hasEvalWithConditionals;
#else
    evalType none;
#endif


// Silly example, but can also force cast from scalar to bool

#if #eval "bool(2 * pi())"
    condition true;
#else
    condition false;
#endif

// Some other conditionals

condition1 true;
condition2 false;

#if ${unknown:-${condition2:-${condition1}}}
    multiExpansion1 failed;
#else
    multiExpansion1 good;
#endif


#if ${unknown:-${unknown:-${condition2:+true}}}
    multiExpansion2 good = ${unkn:-${unkn:-${condition2:+on}}};
#else
    multiExpansion2 failed;
#endif


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