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120 lines
3.3 KiB
C++
120 lines
3.3 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/qcd/action/fermion/g5HermitianLinop.h
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Copyright (C) 2015
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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#ifndef G5_HERMITIAN_LINOP
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#define G5_HERMITIAN_LINOP
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NAMESPACE_BEGIN(Grid);
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////////////////////////////////////////////////////////////////////
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// Wrap an already herm matrix
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////////////////////////////////////////////////////////////////////
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template<class Matrix,class Field>
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class Gamma5R5HermitianLinearOperator : public LinearOperatorBase<Field> {
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Matrix &_Mat;
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public:
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Gamma5R5HermitianLinearOperator(Matrix &Mat): _Mat(Mat){};
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void Op (const Field &in, Field &out){
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HermOp(in,out);
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}
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void AdjOp (const Field &in, Field &out){
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HermOp(in,out);
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}
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void OpDiag (const Field &in, Field &out) {
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Field tmp(in.Grid());
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_Mat.Mdiag(in,tmp);
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G5R5(out,tmp);
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}
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void OpDir (const Field &in, Field &out,int dir,int disp) {
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Field tmp(in.Grid());
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_Mat.Mdir(in,tmp,dir,disp);
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G5R5(out,tmp);
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}
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void HermOpAndNorm(const Field &in, Field &out,RealD &n1,RealD &n2){
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HermOp(in,out);
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ComplexD dot;
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dot= innerProduct(in,out);
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n1=real(dot);
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dot = innerProduct(out,out);
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n2=real(dot);
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}
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void HermOp(const Field &in, Field &out){
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Field tmp(in.Grid());
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_Mat.M(in,tmp);
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G5R5(out,tmp);
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}
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};
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template<class Matrix,class Field>
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class Gamma5HermitianLinearOperator : public LinearOperatorBase<Field> {
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Matrix &_Mat;
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Gamma g5;
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public:
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Gamma5HermitianLinearOperator(Matrix &Mat): _Mat(Mat), g5(Gamma::Algebra::Gamma5) {};
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void Op (const Field &in, Field &out){
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HermOp(in,out);
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}
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void AdjOp (const Field &in, Field &out){
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HermOp(in,out);
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}
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void OpDiag (const Field &in, Field &out) {
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Field tmp(in.Grid());
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_Mat.Mdiag(in,tmp);
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out=g5*tmp;
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}
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void OpDir (const Field &in, Field &out,int dir,int disp) {
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Field tmp(in.Grid());
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_Mat.Mdir(in,tmp,dir,disp);
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out=g5*tmp;
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}
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void HermOpAndNorm(const Field &in, Field &out,RealD &n1,RealD &n2){
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HermOp(in,out);
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ComplexD dot;
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dot= innerProduct(in,out);
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n1=real(dot);
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dot = innerProduct(out,out);
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n2=real(dot);
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}
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void HermOp(const Field &in, Field &out){
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Field tmp(in.Grid());
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_Mat.M(in,tmp);
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out=g5*tmp;
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}
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};
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NAMESPACE_END(Grid);
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#endif
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