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Merge branch 'develop' into feature/lanczos-reorg

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paboyle
2017-10-27 14:21:38 +01:00
parent aa66f41c69 1ef424b139
commit 84b441800f
14 changed files with 166 additions and 32 deletions
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2
lib/algorithms/LinearOperator.h
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@ -319,7 +319,7 @@ namespace Grid {
Field tmp(in._grid);
_Mat.Meooe(in,tmp);
_Mat.MooeeInv(tmp,out);
_Mat.MeooeDag(out,tmp);
_Mat.Meooe(out,tmp);
_Mat.Mooee(in,out);
return axpy_norm(out,-1.0,tmp,out);
}

15
lib/algorithms/iterative/SchurRedBlack.h
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@ -55,7 +55,15 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
*Odd
* i) D_oo psi_o = L^{-1} eta_o
* eta_o' = (D_oo)^dag (eta_o - Moe Mee^{-1} eta_e)
*
* Wilson:
* (D_oo)^{\dag} D_oo psi_o = (D_oo)^dag L^{-1} eta_o
* Stag:
* D_oo psi_o = L^{-1} eta = (eta_o - Moe Mee^{-1} eta_e)
*
* L^-1 eta_o= (1 0 ) (e
* (-MoeMee^{-1} 1 )
*
*Even
* ii) Mee psi_e + Meo psi_o = src_e
*
@ -122,18 +130,19 @@ namespace Grid {
pickCheckerboard(Odd ,sol_o,out);
/////////////////////////////////////////////////////
// src_o = Mdag * (source_o - Moe MeeInv source_e)
// src_o = (source_o - Moe MeeInv source_e)
/////////////////////////////////////////////////////
_Matrix.MooeeInv(src_e,tmp); assert( tmp.checkerboard ==Even);
_Matrix.Meooe (tmp,Mtmp); assert( Mtmp.checkerboard ==Odd);
tmp=src_o-Mtmp; assert( tmp.checkerboard ==Odd);
_Matrix.Mooee(tmp,src_o); assert(src_o.checkerboard ==Odd);
src_o = tmp; assert(src_o.checkerboard ==Odd);
// _Matrix.Mooee(tmp,src_o); // Extra factor of "m" in source
//////////////////////////////////////////////////////////////
// Call the red-black solver
//////////////////////////////////////////////////////////////
std::cout<<GridLogMessage << "SchurRedBlack solver calling the MpcDagMp solver" <<std::endl;
std::cout<<GridLogMessage << "SchurRedBlackStaggeredSolver calling the Mpc solver" <<std::endl;
_HermitianRBSolver(_HermOpEO,src_o,sol_o); assert(sol_o.checkerboard==Odd);
///////////////////////////////////////////////////