Files
openfoam/src/fileFormats/nas/NASCore.C

68 lines
2.1 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
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.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "NASCore.H"
#include "StringStream.H"
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::fileFormats::NASCore::NASCore()
{}
// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
Foam::scalar Foam::fileFormats::NASCore::parseNASCoord(const string& s)
{
scalar value = 0;
const size_t expSign = s.find_last_of("+-");
if (expSign != std::string::npos && expSign > 0 && !isspace(s[expSign-1]))
{
scalar exponent = 0;
// Parse as per strtod/strtof - allowing trailing space or [Ee]
readScalar(s.substr(0, expSign).c_str(), value); // mantissa
readScalar(s.substr(expSign+1).c_str(), exponent);
if (s[expSign] == '-')
{
exponent = -exponent;
}
value *= ::pow(10, exponent);
}
else
{
readScalar(s.c_str(), value);
}
return value;
}
// ************************************************************************* //