mirror of
https://github.com/paboyle/Grid.git
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03ca506a3d
near the bleeding edge I guess
43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
#ifndef GRID_LATTICE_TRACE_H
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#define GRID_LATTICE_TRACE_H
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///////////////////////////////////////////////
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// Tracing, transposing, peeking, poking
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///////////////////////////////////////////////
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namespace Grid {
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Trace
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<class vobj>
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inline auto trace(const Lattice<vobj> &lhs)
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-> Lattice<decltype(trace(lhs._odata[0]))>
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{
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Lattice<decltype(trace(lhs._odata[0]))> ret(lhs._grid);
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PARALLEL_FOR_LOOP
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for(int ss=0;ss<lhs._grid->oSites();ss++){
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ret._odata[ss] = trace(lhs._odata[ss]);
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}
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return ret;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Trace Index level dependent operation
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<int Index,class vobj>
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inline auto TraceIndex(const Lattice<vobj> &lhs) -> Lattice<decltype(traceIndex<Index>(lhs._odata[0]))>
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{
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Lattice<decltype(traceIndex<Index>(lhs._odata[0]))> ret(lhs._grid);
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PARALLEL_FOR_LOOP
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for(int ss=0;ss<lhs._grid->oSites();ss++){
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ret._odata[ss] = traceIndex<Index>(lhs._odata[ss]);
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}
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return ret;
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};
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}
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#endif
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