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Bug fix. Guess was not zeroed prior to CG call. Was earlier accidentally benign just due to luck.

This commit is contained in:
paboyle 2015-12-21 15:33:36 +00:00
parent 09bfe52840
commit 2f41691c11

View File

@ -61,6 +61,7 @@ namespace Grid{
FermionField tmp (NumOp.FermionRedBlackGrid());
gaussian(pRNG,eta);
pickCheckerboard(Even,etaEven,eta);
pickCheckerboard(Odd,etaOdd,eta);
@ -72,6 +73,7 @@ namespace Grid{
// Odd det factors
Mpc.MpcDag(etaOdd,PhiOdd);
tmp=zero;
ActionSolver(Vpc,PhiOdd,tmp);
Vpc.Mpc(tmp,PhiOdd);
@ -98,8 +100,8 @@ namespace Grid{
FermionField X(NumOp.FermionRedBlackGrid());
FermionField Y(NumOp.FermionRedBlackGrid());
X=zero;
Vpc.MpcDag(PhiOdd,Y); // Y= Vdag phi
X=zero;
ActionSolver(Mpc,Y,X); // X= (MdagM)^-1 Vdag phi
Mpc.Mpc(X,Y); // Y= Mdag^-1 Vdag phi
@ -134,12 +136,11 @@ namespace Grid{
GaugeField force(NumOp.GaugeGrid());
X=zero;
//Y=Vdag phi
//X = (Mdag M)^-1 V^dag phi
//Y = (Mdag)^-1 V^dag phi
Vpc.MpcDag(PhiOdd,Y); // Y= Vdag phi
X=zero;
DerivativeSolver(Mpc,Y,X); // X= (MdagM)^-1 Vdag phi
Mpc.Mpc(X,Y); // Y= Mdag^-1 Vdag phi