mirror of
https://github.com/paboyle/Grid.git
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243 lines
8.6 KiB
C++
243 lines
8.6 KiB
C++
#ifndef GRID_LATTICE_ARITH_H
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#define GRID_LATTICE_ARITH_H
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namespace Grid {
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//////////////////////////////////////////////////////////////////////////////////////////////////////
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// unary negation
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//////////////////////////////////////////////////////////////////////////////////////////////////////
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template<class vobj>
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inline Lattice<vobj> operator -(const Lattice<vobj> &r)
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{
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Lattice<vobj> ret(r._grid);
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#pragma omp parallel for
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for(int ss=0;ss<r._grid->oSites();ss++){
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ret._odata[ss]= -r._odata[ss];
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}
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return ret;
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////
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// avoid copy back routines for mult, mac, sub, add
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//////////////////////////////////////////////////////////////////////////////////////////////////////
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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){
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conformable(lhs,rhs);
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uint32_t vec_len = lhs._grid->oSites();
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#pragma omp parallel for
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for(int ss=0;ss<vec_len;ss++){
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mult(&ret._odata[ss],&lhs._odata[ss],&rhs._odata[ss]);
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}
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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 Lattice<obj3> &rhs){
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conformable(lhs,rhs);
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uint32_t vec_len = lhs._grid->oSites();
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#pragma omp parallel for
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for(int ss=0;ss<vec_len;ss++){
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mac(&ret._odata[ss],&lhs._odata[ss],&rhs._odata[ss]);
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}
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}
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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 Lattice<obj3> &rhs){
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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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sub(&ret._odata[ss],&lhs._odata[ss],&rhs._odata[ss]);
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}
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}
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template<class obj1,class obj2,class obj3>
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void add(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const Lattice<obj3> &rhs){
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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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add(&ret._odata[ss],&lhs._odata[ss],&rhs._odata[ss]);
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}
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////
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// avoid copy back routines for mult, mac, sub, add
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//////////////////////////////////////////////////////////////////////////////////////////////////////
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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 obj3 &rhs){
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conformable(lhs,rhs);
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uint32_t vec_len = lhs._grid->oSites();
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#pragma omp parallel for
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for(int ss=0;ss<vec_len;ss++){
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mult(&ret._odata[ss],&lhs._odata[ss],&rhs);
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}
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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,rhs);
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uint32_t vec_len = lhs._grid->oSites();
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#pragma omp parallel for
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for(int ss=0;ss<vec_len;ss++){
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mac(&ret._odata[ss],&lhs._odata[ss],&rhs);
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}
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}
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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,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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sub(&ret._odata[ss],&lhs._odata[ss],&rhs);
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}
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}
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template<class obj1,class obj2,class obj3>
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void add(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const obj3 &rhs){
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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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add(&ret._odata[ss],&lhs._odata[ss],&rhs);
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}
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////
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// avoid copy back routines for mult, mac, sub, add
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//////////////////////////////////////////////////////////////////////////////////////////////////////
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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(lhs,rhs);
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uint32_t vec_len = lhs._grid->oSites();
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#pragma omp parallel for
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for(int ss=0;ss<vec_len;ss++){
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mult(&ret._odata[ss],&lhs,&rhs._odata[ss]);
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}
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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 obj2 &lhs,const Lattice<obj3> &rhs){
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conformable(lhs,rhs);
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uint32_t vec_len = lhs._grid->oSites();
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#pragma omp parallel for
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for(int ss=0;ss<vec_len;ss++){
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mac(&ret._odata[ss],&lhs,&rhs._odata[ss]);
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}
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}
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template<class obj1,class obj2,class obj3>
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void sub(Lattice<obj1> &ret,const obj2 &lhs,const Lattice<obj3> &rhs){
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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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sub(&ret._odata[ss],&lhs,&rhs._odata[ss]);
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}
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}
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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(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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add(&ret._odata[ss],&lhs,&rhs._odata[ss]);
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}
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}
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/////////////////////////////////////////////////////////////////////////////////////
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// Lattice BinOp Lattice,
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/////////////////////////////////////////////////////////////////////////////////////
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template<class left,class right>
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inline auto operator * (const Lattice<left> &lhs,const Lattice<right> &rhs)-> Lattice<decltype(lhs._odata[0]*rhs._odata[0])>
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{
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//NB mult performs conformable check. Do not reapply here for performance.
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Lattice<decltype(lhs._odata[0]*rhs._odata[0])> ret(rhs._grid);
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mult(ret,lhs,rhs);
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return ret;
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}
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template<class left,class right>
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inline auto operator + (const Lattice<left> &lhs,const Lattice<right> &rhs)-> Lattice<decltype(lhs._odata[0]+rhs._odata[0])>
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{
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//NB mult performs conformable check. Do not reapply here for performance.
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Lattice<decltype(lhs._odata[0]+rhs._odata[0])> ret(rhs._grid);
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add(ret,lhs,rhs);
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return ret;
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}
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template<class left,class right>
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inline auto operator - (const Lattice<left> &lhs,const Lattice<right> &rhs)-> Lattice<decltype(lhs._odata[0]-rhs._odata[0])>
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{
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//NB mult performs conformable check. Do not reapply here for performance.
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Lattice<decltype(lhs._odata[0]-rhs._odata[0])> ret(rhs._grid);
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sub(ret,lhs,rhs);
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return ret;
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}
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// Scalar BinOp Lattice ;generate return type
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template<class left,class right>
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inline auto operator * (const left &lhs,const Lattice<right> &rhs) -> Lattice<decltype(lhs*rhs._odata[0])>
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{
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Lattice<decltype(lhs*rhs._odata[0])> ret(rhs._grid);
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#pragma omp parallel for
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for(int ss=0;ss<rhs._grid->oSites(); ss++){
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ret._odata[ss]=lhs*rhs._odata[ss];
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}
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return ret;
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}
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template<class left,class right>
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inline auto operator + (const left &lhs,const Lattice<right> &rhs) -> Lattice<decltype(lhs+rhs._odata[0])>
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{
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Lattice<decltype(lhs+rhs._odata[0])> ret(rhs._grid);
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#pragma omp parallel for
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for(int ss=0;ss<rhs._grid->oSites(); ss++){
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ret._odata[ss]=lhs+rhs._odata[ss];
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}
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return ret;
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}
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template<class left,class right>
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inline auto operator - (const left &lhs,const Lattice<right> &rhs) -> Lattice<decltype(lhs-rhs._odata[0])>
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{
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Lattice<decltype(lhs-rhs._odata[0])> ret(rhs._grid);
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#pragma omp parallel for
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for(int ss=0;ss<rhs._grid->oSites(); ss++){
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ret._odata[ss]=lhs-rhs._odata[ss];
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}
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return ret;
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}
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template<class left,class right>
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inline auto operator * (const Lattice<left> &lhs,const right &rhs) -> Lattice<decltype(lhs._odata[0]*rhs)>
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{
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Lattice<decltype(lhs._odata[0]*rhs)> ret(lhs._grid);
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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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ret._odata[ss]=lhs._odata[ss]*rhs;
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}
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return ret;
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}
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template<class left,class right>
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inline auto operator + (const Lattice<left> &lhs,const right &rhs) -> Lattice<decltype(lhs._odata[0]+rhs)>
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{
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Lattice<decltype(lhs._odata[0]+rhs)> ret(lhs._grid);
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#pragma omp parallel for
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for(int ss=0;ss<rhs._grid->oSites(); ss++){
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ret._odata[ss]=lhs._odata[ss]+rhs;
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}
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return ret;
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}
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template<class left,class right>
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inline auto operator - (const Lattice<left> &lhs,const right &rhs) -> Lattice<decltype(lhs._odata[0]-rhs)>
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{
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Lattice<decltype(lhs._odata[0]-rhs)> ret(lhs._grid);
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#pragma omp parallel for
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for(int ss=0;ss<rhs._grid->oSites(); ss++){
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ret._odata[ss]=lhs._odata[ss]-rhs;
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}
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return ret;
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}
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template<class sobj,class vobj>
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inline void axpy(Lattice<vobj> &ret,sobj a,const Lattice<vobj> &lhs,const Lattice<vobj> &rhs){
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conformable(lhs,rhs);
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vobj tmp;
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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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tmp = a*lhs._odata[ss];
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ret._odata[ss]= tmp+rhs._odata[ss];
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}
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}
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}
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#endif
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