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foam-extend4.1-coherent-io/applications/utilities/miscellaneous/autoDerivative/testFad/testFad.C
2013-12-11 16:09:41 +00:00

76 lines
2.3 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | foam-extend: Open Source CFD
\\ / O peration |
\\ / A nd | For copyright notice see file Copyright
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of foam-extend.
foam-extend 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.
foam-extend 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
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;
}
// ************************************************************************* //