mirror of
https://github.com/paboyle/Grid.git
synced 2024-09-20 09:15:38 +01:00
0e6197fbed
Must obtain and access lattice indexing through a view object that is safe to copy construct in copy to GPU (without copying the lattice).
69 lines
2.5 KiB
C++
69 lines
2.5 KiB
C++
/*************************************************************************************
|
|
|
|
Grid physics library, www.github.com/paboyle/Grid
|
|
|
|
Source file: ./lib/lattice/Lattice_transpose.h
|
|
|
|
Copyright (C) 2015
|
|
|
|
Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
|
|
Author: Peter Boyle <paboyle@ph.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 GRID_LATTICE_TRANSPOSE_H
|
|
#define GRID_LATTICE_TRANSPOSE_H
|
|
|
|
///////////////////////////////////////////////
|
|
// Transpose
|
|
///////////////////////////////////////////////
|
|
|
|
NAMESPACE_BEGIN(Grid);
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Transpose
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
template<class vobj>
|
|
inline Lattice<vobj> transpose(const Lattice<vobj> &lhs){
|
|
Lattice<vobj> ret(lhs.Grid());
|
|
auto ret_v = ret.View();
|
|
auto lhs_v = lhs.View();
|
|
accelerator_loop(ss,lhs_v,{
|
|
ret_v[ss] = transpose(lhs_v[ss]);
|
|
});
|
|
return ret;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Index level dependent transpose
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
template<int Index,class vobj>
|
|
inline auto TransposeIndex(const Lattice<vobj> &lhs) -> Lattice<decltype(transposeIndex<Index>(vobj()))>
|
|
{
|
|
Lattice<decltype(transposeIndex<Index>(vobj()))> ret(lhs.Grid());
|
|
auto ret_v = ret.View();
|
|
auto lhs_v = lhs.View();
|
|
accelerator_loop(ss,lhs_v,{
|
|
ret_v[ss] = transposeIndex<Index>(lhs_v[ss]);
|
|
});
|
|
return ret;
|
|
};
|
|
|
|
NAMESPACE_END(Grid);
|
|
#endif
|