102 lines
3.9 KiB
C
102 lines
3.9 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2018 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Description
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Print max limits.
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\*---------------------------------------------------------------------------*/
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#include <limits>
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#include "int.H"
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#include "uint.H"
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#include "string.H"
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#include "scalar.H"
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#include "IOstreams.H"
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using namespace Foam;
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// Main program:
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int main(int argc, char *argv[])
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{
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//NONE Info<<"int16:" << pTraits<int16_t>::max << nl;
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Info<< "=max=" << nl;
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Info<< "uint8:" << std::numeric_limits<uint8_t>::max() << nl;
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Info<< "int16:" << std::numeric_limits<int16_t>::max() << nl;
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Info<< "int32:" << pTraits<int32_t>::max << nl;
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Info<< "uint32:" << pTraits<uint32_t>::max << nl;
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Info<< "int64:" << pTraits<int64_t>::max << nl;
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Info<< "uint64:" << pTraits<uint64_t>::max << nl;
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Info<< nl;
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cout<< "int16:" << std::numeric_limits<int16_t>::max() << nl;
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cout<< "int32:" << pTraits<int32_t>::max << nl;
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cout<< "uint32:" << pTraits<uint32_t>::max << nl;
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cout<< "int64:" << pTraits<int64_t>::max << nl;
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cout<< "uint64:" << pTraits<uint64_t>::max << nl;
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Info<< nl << "=digits=" << nl;
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cout<< "int16:" << std::numeric_limits<int16_t>::digits << nl;
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cout<< "int32:" << std::numeric_limits<int32_t>::digits << nl;
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cout<< "uint32:" << std::numeric_limits<uint32_t>::digits << nl;
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cout<< "int64:" << std::numeric_limits<int64_t>::digits << nl;
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cout<< "uint64:" << std::numeric_limits<uint64_t>::digits << nl;
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cout<< "float:" << std::numeric_limits<float>::digits << nl;
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cout<< "double:" << std::numeric_limits<double>::digits << nl;
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cout<< "long double:" << std::numeric_limits<long double>::digits << nl;
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Info<< nl << "=float=" << nl;
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cout<< "max:" << std::numeric_limits<float>::max()
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<< " VGREAT:" << floatScalarVGREAT << nl;
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cout<< "min:" << std::numeric_limits<float>::min()
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<< " VSMALL:" << floatScalarVSMALL << nl;
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cout<< "epsilon:" << std::numeric_limits<float>::epsilon()
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<< " SMALL:" << floatScalarSMALL << nl;
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cout<< "1/epsilon:" << 1.0f/std::numeric_limits<float>::epsilon()
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<< " GREAT:" << floatScalarGREAT << nl;
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Info<< nl << "=double=" << nl;
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cout<< "max:" << std::numeric_limits<double>::max()
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<< " VGREAT:" << doubleScalarVGREAT << nl;
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cout<< "min:" << std::numeric_limits<double>::min()
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<< " VSMALL:" << doubleScalarVSMALL << nl;
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cout<< "epsilon:" << std::numeric_limits<double>::epsilon()
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<< " SMALL:" << doubleScalarSMALL << nl;
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cout<< "1/epsilon:" << 1.0f/std::numeric_limits<double>::epsilon()
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<< " GREAT:" << doubleScalarGREAT << nl;
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Info << "---\nEnd\n" << endl;
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return 0;
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}
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// ************************************************************************* //
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