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Grid/lib/lattice/Grid_lattice_arith.h

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#ifndef GRID_LATTICE_ARITH_H
#define GRID_LATTICE_ARITH_H
namespace Grid {
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//////////////////////////////////////////////////////////////////////////////////////////////////////
// avoid copy back routines for mult, mac, sub, add
//////////////////////////////////////////////////////////////////////////////////////////////////////
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template<class obj1,class obj2,class obj3>
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void mult(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const Lattice<obj3> &rhs){
conformable(lhs,rhs);
PARALLEL_FOR_LOOP
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for(int ss=0;ss<lhs._grid->oSites();ss++){
obj1 tmp;
mult(&tmp,&lhs._odata[ss],&rhs._odata[ss]);
vstream(ret._odata[ss],tmp);
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}
}
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template<class obj1,class obj2,class obj3>
void mac(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const Lattice<obj3> &rhs){
conformable(lhs,rhs);
PARALLEL_FOR_LOOP
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for(int ss=0;ss<lhs._grid->oSites();ss++){
obj1 tmp;
mac(&tmp,&lhs._odata[ss],&rhs._odata[ss]);
vstream(ret._odata[ss],tmp);
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}
}
template<class obj1,class obj2,class obj3>
void sub(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const Lattice<obj3> &rhs){
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conformable(lhs,rhs);
PARALLEL_FOR_LOOP
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for(int ss=0;ss<lhs._grid->oSites();ss++){
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obj1 tmp;
sub(&tmp,&lhs._odata[ss],&rhs._odata[ss]);
vstream(ret._odata[ss],tmp);
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}
}
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template<class obj1,class obj2,class obj3>
void add(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const Lattice<obj3> &rhs){
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conformable(lhs,rhs);
PARALLEL_FOR_LOOP
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for(int ss=0;ss<lhs._grid->oSites();ss++){
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obj1 tmp;
add(&tmp,&lhs._odata[ss],&rhs._odata[ss]);
vstream(ret._odata[ss],tmp);
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}
}
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//////////////////////////////////////////////////////////////////////////////////////////////////////
// avoid copy back routines for mult, mac, sub, add
//////////////////////////////////////////////////////////////////////////////////////////////////////
template<class obj1,class obj2,class obj3>
void mult(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const obj3 &rhs){
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conformable(lhs,ret);
PARALLEL_FOR_LOOP
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for(int ss=0;ss<lhs._grid->oSites();ss++){
obj1 tmp;
mult(&tmp,&lhs._odata[ss],&rhs);
vstream(ret._odata[ss],tmp);
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}
}
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template<class obj1,class obj2,class obj3>
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void mac(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const obj3 &rhs){
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conformable(lhs,ret);
PARALLEL_FOR_LOOP
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for(int ss=0;ss<lhs._grid->oSites();ss++){
obj1 tmp;
mac(&tmp,&lhs._odata[ss],&rhs);
vstream(ret._odata[ss],tmp);
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}
}
template<class obj1,class obj2,class obj3>
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void sub(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const obj3 &rhs){
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conformable(lhs,ret);
PARALLEL_FOR_LOOP
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for(int ss=0;ss<lhs._grid->oSites();ss++){
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obj1 tmp;
sub(&tmp,&lhs._odata[ss],&rhs);
vstream(ret._odata[ss],tmp);
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}
}
template<class obj1,class obj2,class obj3>
void add(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const obj3 &rhs){
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conformable(lhs,ret);
PARALLEL_FOR_LOOP
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for(int ss=0;ss<lhs._grid->oSites();ss++){
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obj1 tmp;
add(&tmp,&lhs._odata[ss],&rhs);
vstream(ret._odata[ss],tmp);
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}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////
// avoid copy back routines for mult, mac, sub, add
//////////////////////////////////////////////////////////////////////////////////////////////////////
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template<class obj1,class obj2,class obj3>
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void mult(Lattice<obj1> &ret,const obj2 &lhs,const Lattice<obj3> &rhs){
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conformable(ret,rhs);
PARALLEL_FOR_LOOP
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for(int ss=0;ss<rhs._grid->oSites();ss++){
obj1 tmp;
mult(&tmp,&lhs,&rhs._odata[ss]);
vstream(ret._odata[ss],tmp);
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}
}
template<class obj1,class obj2,class obj3>
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void mac(Lattice<obj1> &ret,const obj2 &lhs,const Lattice<obj3> &rhs){
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conformable(ret,rhs);
PARALLEL_FOR_LOOP
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for(int ss=0;ss<rhs._grid->oSites();ss++){
obj1 tmp;
mac(&tmp,&lhs,&rhs._odata[ss]);
vstream(ret._odata[ss],tmp);
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}
}
template<class obj1,class obj2,class obj3>
void sub(Lattice<obj1> &ret,const obj2 &lhs,const Lattice<obj3> &rhs){
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conformable(ret,rhs);
PARALLEL_FOR_LOOP
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for(int ss=0;ss<rhs._grid->oSites();ss++){
obj1 tmp;
sub(&tmp,&lhs,&rhs._odata[ss]);
vstream(ret._odata[ss],tmp);
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}
}
template<class obj1,class obj2,class obj3>
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void add(Lattice<obj1> &ret,const obj2 &lhs,const Lattice<obj3> &rhs){
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conformable(ret,rhs);
PARALLEL_FOR_LOOP
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for(int ss=0;ss<rhs._grid->oSites();ss++){
obj1 tmp;
add(&tmp,&lhs,&rhs._odata[ss]);
vstream(ret._odata[ss],tmp);
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}
}
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template<class sobj,class vobj>
inline void axpy(Lattice<vobj> &ret,sobj a,const Lattice<vobj> &lhs,const Lattice<vobj> &rhs){
conformable(lhs,rhs);
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#pragma omp parallel for
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for(int ss=0;ss<lhs._grid->oSites();ss++){
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vobj tmp = a*lhs._odata[ss];
vstream(ret._odata[ss],tmp+rhs._odata[ss]);
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}
}
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}
#endif