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Grid/lib/qcd/hmc/HMC_GridModules.h
2017-01-25 18:09:46 +00:00

120 lines
3.5 KiB
C++

/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/hmc/HMC_GridModules.h
Copyright (C) 2015
Copyright (C) 2016
Author: Guido Cossu <guido.cossu@ed.ac.uk>
This program 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.
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution
directory
*************************************************************************************/
/* END LEGAL */
#ifndef HMC_GRID_MODULES
#define HMC_GRID_MODULES
namespace Grid {
namespace QCD {
// Resources
// Modules for grids
class GridModuleParameters: Serializable{
GRID_SERIALIZABLE_CLASS_MEMBERS(GridModuleParameters,
std::string, lattice,
std::string, mpi);
public:
// these namings are ugly
// also ugly the distinction between the serializable members
// and this
std::vector<int> lattice_v;
std::vector<int> mpi_v;
GridModuleParameters(const std::vector<int> l_ = std::vector<int>(),
const std::vector<int> mpi_ = std::vector<int>()):lattice_v(l_), mpi_v(mpi_){}
template <class ReaderClass>
GridModuleParameters(Reader<ReaderClass>& Reader) {
read(Reader, "LatticeGrid", *this);
lattice_v = strToVec<int>(lattice);
mpi_v = strToVec<int>(mpi);
if (mpi_v.size() != lattice_v.size()) {
std::cout << "Error in GridModuleParameters: lattice and mpi dimensions "
"do not match"
<< std::endl;
exit(1);
}
}
};
class GridModule {
public:
GridCartesian* get_full() {
std::cout << GridLogDebug << "Getting cartesian in module"<< std::endl;
return grid_.get(); }
GridRedBlackCartesian* get_rb() {
std::cout << GridLogDebug << "Getting rb-cartesian in module"<< std::endl;
return rbgrid_.get(); }
void set_full(GridCartesian* grid) { grid_.reset(grid); }
void set_rb(GridRedBlackCartesian* rbgrid) { rbgrid_.reset(rbgrid); }
protected:
std::unique_ptr<GridCartesian> grid_;
std::unique_ptr<GridRedBlackCartesian> rbgrid_;
};
// helpers
class GridFourDimModule : public GridModule {
public:
// add a function to create the module from a Reader
GridFourDimModule() {
set_full(SpaceTimeGrid::makeFourDimGrid(
GridDefaultLatt(), GridDefaultSimd(4, vComplex::Nsimd()),
GridDefaultMpi()));
set_rb(SpaceTimeGrid::makeFourDimRedBlackGrid(grid_.get()));
}
template <class vector_type = vComplex>
GridFourDimModule(GridModuleParameters Params) {
if (Params.lattice_v.size() == 4) {
set_full(SpaceTimeGrid::makeFourDimGrid(
Params.lattice_v, GridDefaultSimd(4, vector_type::Nsimd()),
Params.mpi_v));
set_rb(SpaceTimeGrid::makeFourDimRedBlackGrid(grid_.get()));
} else {
std::cout
<< "Error in GridFourDimModule: lattice dimension different from 4"
<< std::endl;
exit(1);
}
}
};
} // namespace QCD
} // namespace Grid
#endif // HMC_GRID_MODULES