1
0
mirror of https://github.com/paboyle/Grid.git synced 2024-11-10 07:55:35 +00:00
Grid/lib/lattice/Lattice_trace.h
2018-01-26 23:06:03 +00:00

67 lines
2.4 KiB
C++

/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/lattice/Lattice_trace.h
Copyright (C) 2015
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_TRACE_H
#define GRID_LATTICE_TRACE_H
///////////////////////////////////////////////
// Tracing, transposing, peeking, poking
///////////////////////////////////////////////
NAMESPACE_BEGIN(Grid);
////////////////////////////////////////////////////////////////////////////////////////////////////
// Trace
////////////////////////////////////////////////////////////////////////////////////////////////////
template<class vobj>
inline auto trace(const Lattice<vobj> &lhs)
-> Lattice<decltype(trace(lhs[0]))>
{
Lattice<decltype(trace(lhs[0]))> ret(lhs._grid);
accelerator_loop( ss, lhs, {
ret[ss] = trace(lhs[ss]);
});
return ret;
};
////////////////////////////////////////////////////////////////////////////////////////////////////
// Trace Index level dependent operation
////////////////////////////////////////////////////////////////////////////////////////////////////
template<int Index,class vobj>
inline auto TraceIndex(const Lattice<vobj> &lhs) -> Lattice<decltype(traceIndex<Index>(lhs[0]))>
{
Lattice<decltype(traceIndex<Index>(lhs[0]))> ret(lhs._grid);
accelerator_loop( ss, lhs, {
ret[ss] = traceIndex<Index>(lhs[ss]);
});
return ret;
};
NAMESPACE_END(Grid);
#endif