portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-16 23:07:05 +01:00
Code Releases Activity

Staggered Schur decomposed matrix norm changed to not be the Schur anymore :(

Browse Source 
Carleton wanted this for multimass / multishift
This commit is contained in:
Azusa Yamaguchi
2017-11-07 14:48:45 +00:00
parent 149c3f9e9c
commit 9b8d1cc3da
2 changed files with 15 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
lib/algorithms/LinearOperator.h
View File

@ -317,11 +317,23 @@ namespace Grid {
}
virtual RealD Mpc (const Field &in, Field &out) {
Field tmp(in._grid);
Field tmp2(in._grid);
_Mat.Mooee(in,out);
_Mat.Mooee(out,tmp);
_Mat.Meooe(in,out);
_Mat.Meooe(out,tmp2);
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
}
virtual RealD MpcDag (const Field &in, Field &out){
return Mpc(in,out);