From d058c7ceb88e66b1b7655d18dfa96ad3a3e83271 Mon Sep 17 00:00:00 2001 From: andy <a.heather@opencfd.co.uk> Date: Thu, 10 Dec 2009 12:50:20 +0000 Subject: [PATCH] Added Polynomial class test --- applications/test/Polynomial/Make/files | 3 + applications/test/Polynomial/Make/options | 3 + applications/test/Polynomial/PolynomialTest.C | 128 ++++++++++++++++++ applications/test/Polynomial/polyTestInput | 11 ++ 4 files changed, 145 insertions(+) create mode 100644 applications/test/Polynomial/Make/files create mode 100644 applications/test/Polynomial/Make/options create mode 100644 applications/test/Polynomial/PolynomialTest.C create mode 100644 applications/test/Polynomial/polyTestInput diff --git a/applications/test/Polynomial/Make/files b/applications/test/Polynomial/Make/files new file mode 100644 index 00000000000..598fccfecfa --- /dev/null +++ b/applications/test/Polynomial/Make/files @@ -0,0 +1,3 @@ +PolynomialTest.C + +EXE = $(FOAM_USER_APPBIN)/PolynomialTest diff --git a/applications/test/Polynomial/Make/options b/applications/test/Polynomial/Make/options new file mode 100644 index 00000000000..1b983985770 --- /dev/null +++ b/applications/test/Polynomial/Make/options @@ -0,0 +1,3 @@ +EXE_INC = \ + +EXE_LIBS = \ diff --git a/applications/test/Polynomial/PolynomialTest.C b/applications/test/Polynomial/PolynomialTest.C new file mode 100644 index 00000000000..e3dfd2ea4c3 --- /dev/null +++ b/applications/test/Polynomial/PolynomialTest.C @@ -0,0 +1,128 @@ +/*---------------------------------------------------------------------------*\ + ========= | + \\ / F ield | OpenFOAM: The Open Source CFD Toolbox + \\ / O peration | + \\ / A nd | Copyright (C) 2009-2009 OpenCFD Ltd. + \\/ 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 + PolynomialTest + +Description + Test application for the templated Polynomial class + +\*---------------------------------------------------------------------------*/ + +#include "IFstream.H" +#include "Polynomial.H" +#include "Random.H" + +using namespace Foam; + +scalar polyValue(const scalar x) +{ + // Hard-coded polynomial 8 coeff (7th order) + return + 0.11 + + 0.45*x + - 0.94*sqr(x) + + 1.58*pow3(x) + - 2.58*pow4(x) + + 0.08*pow5(x) + + 3.15*pow6(x) + - 4.78*x*pow6(x); +} + + +scalar intPolyValue(const scalar x) +{ + // Hard-coded integrated form of above polynomial + return + 0.11*x + + 0.45/2.0*sqr(x) + - 0.94/3.0*pow3(x) + + 1.58/4.0*pow4(x) + - 2.58/5.0*pow5(x) + + 0.08/6.0*pow6(x) + + 3.15/7.0*x*pow6(x) + - 4.78/8.0*x*x*pow6(x); +} + + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // + +int main(int argc, char *argv[]) +{ + IFstream is("polyTestInput"); + + Polynomial<8> poly("testPoly", is); + Polynomial<9> intPoly(poly.integrate(0.0)); + + Info<< "poly = " << poly << endl; + Info<< "intPoly = " << intPoly << nl << endl; + + Info<< "2*poly = " << 2*poly << endl; + Info<< "poly+poly = " << poly + poly << nl << endl; + + Info<< "3*poly = " << 3*poly << endl; + Info<< "poly+poly+poly = " << poly + poly + poly << nl << endl; + + Info<< "3*poly - 2*poly = " << 3*poly - 2*poly << nl << endl; + + Polynomial<8> polyCopy = poly; + Info<< "poly, polyCopy = " << poly << ", " << polyCopy << nl << endl; + polyCopy = 2.5*poly; + Info<< "2.5*polyCopy = " << polyCopy << nl << endl; + + Random rnd(123456); + for (int i=0; i<10; i++) + { + scalar x = rnd.scalar01()*100; + + scalar px = polyValue(x); + scalar ipx = intPolyValue(x); + + scalar pxTest = poly.evaluate(x); + scalar ipxTest = intPoly.evaluate(x); + + Info<<"\nx = " << x << endl; + Info<< " px, pxTest = " << px << ", " << pxTest << endl; + Info<< " ipx, ipxTest = " << ipx << ", " << ipxTest << endl; + + if (mag(px - pxTest) > SMALL) + { + Info<< " *** WARNING: px != pxTest: " << px - pxTest << endl; + } + + if (mag(ipx - ipxTest) > SMALL) + { + Info<< " *** WARNING: ipx != ipxTest: " << ipx - ipxTest << endl; + } + + Info<< endl; + } + + Info<< nl << "Done." << endl; + + return 0; +} + + +// ************************************************************************* // diff --git a/applications/test/Polynomial/polyTestInput b/applications/test/Polynomial/polyTestInput new file mode 100644 index 00000000000..4ba8f65e51f --- /dev/null +++ b/applications/test/Polynomial/polyTestInput @@ -0,0 +1,11 @@ + testPoly + ( + 0.11 + 0.45 + -0.94 + 1.58 + -2.58 + 0.08 + 3.15 + -4.78 + ) -- GitLab