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119 lines
4.5 KiB
C++
119 lines
4.5 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./tests/Test_lie_generators.cc
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Copyright (C) 2015
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Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution
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directory
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*************************************************************************************/
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/* END LEGAL */
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#include <Grid.h>
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#include <qcd/utils/CovariantCshift.h>
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#include <qcd/utils/SUn.h>
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#include <qcd/utils/SUnAdjoint.h>
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#include <qcd/representations/adjoint.h>
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#include <qcd/utils/WilsonLoops.h>
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using namespace std;
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using namespace Grid;
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using namespace Grid::QCD;
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int main(int argc, char** argv) {
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Grid_init(&argc, &argv);
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std::vector<int> latt({4, 4, 4, 8});
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GridCartesian* grid = SpaceTimeGrid::makeFourDimGrid(
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latt, GridDefaultSimd(Nd, vComplex::Nsimd()), GridDefaultMpi());
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GridRedBlackCartesian* rbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(grid);
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std::cout << GridLogMessage << "*********************************************"
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<< std::endl;
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std::cout << GridLogMessage << "* Generators for SU(2)" << std::endl;
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std::cout << GridLogMessage << "*********************************************"
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<< std::endl;
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SU2::printGenerators();
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std::cout << "Dimension of adjoint representation: "<< SU2Adjoint::Dimension << std::endl;
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SU2Adjoint::printGenerators();
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SU2::testGenerators();
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SU2Adjoint::testGenerators();
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std::cout << GridLogMessage << "*********************************************"
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<< std::endl;
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std::cout << GridLogMessage << "* Generators for SU(3)" << std::endl;
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std::cout << GridLogMessage << "*********************************************"
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<< std::endl;
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SU3::printGenerators();
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std::cout << "Dimension of adjoint representation: "<< SU3Adjoint::Dimension << std::endl;
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SU3Adjoint::printGenerators();
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SU3::testGenerators();
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SU3Adjoint::testGenerators();
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std::cout<<GridLogMessage<<"*********************************************"<<std::endl;
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std::cout<<GridLogMessage<<"* Generators for SU(4)"<<std::endl;
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std::cout<<GridLogMessage<<"*********************************************"<<std::endl;
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SU4::printGenerators();
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std::cout << "Dimension of adjoint representation: "<< SU4Adjoint::Dimension << std::endl;
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SU4Adjoint::printGenerators();
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SU4::testGenerators();
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SU4Adjoint::testGenerators();
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// std::cout<<GridLogMessage<<"*********************************************"<<std::endl;
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// std::cout<<GridLogMessage<<"* Generators for SU(5)"<<std::endl;
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// std::cout<<GridLogMessage<<"*********************************************"<<std::endl;
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// SU5::printGenerators();
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// SU5::testGenerators();
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// Projectors
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GridParallelRNG gridRNG(grid);
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gridRNG.SeedRandomDevice();
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SU3Adjoint::LatticeAdjMatrix Gauss(grid);
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SU3::LatticeAlgebraVector ha(grid);
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SU3::LatticeAlgebraVector hb(grid);
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random(gridRNG,Gauss);
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std::cout << GridLogMessage << "Start projectOnAlgebra" << std::endl;
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SU3Adjoint::projectOnAlgebra(ha, Gauss);
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std::cout << GridLogMessage << "end projectOnAlgebra" << std::endl;
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std::cout << GridLogMessage << "Start projector" << std::endl;
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SU3Adjoint::projector(hb, Gauss);
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std::cout << GridLogMessage << "end projector" << std::endl;
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std::cout << GridLogMessage << "ReStart projector" << std::endl;
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SU3Adjoint::projector(hb, Gauss);
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std::cout << GridLogMessage << "end projector" << std::endl;
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SU3::LatticeAlgebraVector diff = ha -hb;
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std::cout << GridLogMessage << "Difference: " << norm2(diff) << std::endl;
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// Testing HMC representation classes
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AdjointRep<3> AdjRep(grid);
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// AdjointRepresentation has the predefined number of colours Nc
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Representations<FundamentalRepresentation, AdjointRepresentation> RepresentationTypes(grid);
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Grid_finalize();
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}
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