portelli/Grid
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Staggerd cg

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This commit is contained in:
azusayamaguchi
2017-11-24 14:18:30 +00:00
parent 25f73018f4
commit e55397bc13
4 changed files with 38 additions and 21 deletions
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20
lib/algorithms/LinearOperator.h
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@ -308,32 +308,34 @@ namespace Grid {
public:
SchurStaggeredOperator (Matrix &Mat): _Mat(Mat){};
virtual void HermOpAndNorm(const Field &in, Field &out,RealD &n1,RealD &n2){
GridLogIterative.TimingMode(1);
std::cout << GridLogIterative << " HermOpAndNorm "<<std::endl;
n2 = Mpc(in,out);
std::cout << GridLogIterative << " HermOpAndNorm.Mpc "<<std::endl;
ComplexD dot= innerProduct(in,out);
std::cout << GridLogIterative << " HermOpAndNorm.innerProduct "<<std::endl;
n1 = real(dot);
}
virtual void HermOp(const Field &in, Field &out){
std::cout << GridLogIterative << " HermOp "<<std::endl;
Mpc(in,out);
}
virtual RealD Mpc (const Field &in, Field &out) {
Field tmp(in._grid);
Field tmp2(in._grid);
std::cout << GridLogIterative << " HermOp.Mpc "<<std::endl;
_Mat.Mooee(in,out);
_Mat.Mooee(out,tmp);
std::cout << GridLogIterative << " HermOp.MooeeMooee "<<std::endl;
_Mat.Meooe(in,out);
_Mat.Meooe(out,tmp2);
std::cout << GridLogIterative << " HermOp.MeooeMeooe "<<std::endl;
return axpy_norm(out,-1.0,tmp2,tmp);
#if 0
//... much prefer conventional Schur norm
_Mat.Meooe(in,tmp);
_Mat.MooeeInv(tmp,out);
_Mat.Meooe(out,tmp);
_Mat.Mooee(in,out);
return axpy_norm(out,-1.0,tmp,out);
#endif
RealD nn=axpy_norm(out,-1.0,tmp2,tmp);
std::cout << GridLogIterative << " HermOp.axpy_norm "<<std::endl;
return nn;
}
virtual RealD MpcDag (const Field &in, Field &out){
return Mpc(in,out);