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foam-extend4.1-coherent-io/applications/utilities/miscellaneous/autoDerivative/testFad/testFad.C
2010-11-25 01:27:21 +01:00

77 lines
2.3 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright held by original author
\\/ 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 2 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, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Application
testFad
Description
\*---------------------------------------------------------------------------*/
#include "fvCFD.H"
#include "FadOne.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
int main(int argc, char *argv[])
{
typedef FadOne<1> fadScalar;
fadScalar x(1);
x.deriv(0) = 1;
fadScalar f1 = 2.0*Foam::pow(x, 2) + 3.0*x + 4.0;
Info << "fadScalar of f1 is: "
<< f1 << " It should be: [9 7]" << endl;
fadScalar y(1);
y.deriv(0) = 1;
fadScalar f2 = 3*Foam::pow(y, 2)*Foam::sin(Foam::pow(y, 2));
Info << "fadScalar of f2 is: " << f2
<< " It should be: [2.5244129 8.2906397]" << endl;
fadScalar z(4);
z.deriv(0) = 1;
fadScalar f3 = Foam::sqrt(Foam::pow(z, 3));
Info << "fadScalar of f3 is: " << f3
<< " It should be: [8 3]" << endl;
fadScalar f4 = Foam::atan(x);
Info << "fadScalar of f4 is: " << f4
<< " It should be: [?, ?]" << endl;
fadScalar f5 = Foam::log(x);
Info << "fadScalar of f4 is: " << f5
<< " It should be: [?, ?]" << endl;
Info << "End\n" << endl;
return 0;
}
// ************************************************************************* //