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Rename misunderstood "rsd_sq" to "rsq" in MR code
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@ -63,8 +63,8 @@ template<class Field> class MinimalResidual : public OperatorFunction<Field> {
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RealD guess = norm2(psi);
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assert(std::isnan(guess) == 0);
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RealD ssq = norm2(src); // flopcount.addSiteFlops(4*Nc*Ns,s); // stands for "source squared"
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RealD rsd_sq = Tolerance * Tolerance * ssq; // flopcount.addSiteFlops(4*Nc*Ns,s); // stands for "residual squared"
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RealD ssq = norm2(src); // flopcount.addSiteFlops(4*Nc*Ns,s);
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RealD rsq = Tolerance * Tolerance * ssq; // flopcount.addSiteFlops(4*Nc*Ns,s);
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Linop.Op(psi, Mr); // flopcount.addFlops(M.nFlops());
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@ -77,12 +77,12 @@ template<class Field> class MinimalResidual : public OperatorFunction<Field> {
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std::cout << GridLogIterative << std::setprecision(4) << "MinimalResidual: mp " << d << std::endl;
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std::cout << GridLogIterative << std::setprecision(4) << "MinimalResidual: cp,r " << cp << std::endl;
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if (cp <= rsd_sq) {
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if (cp <= rsq) {
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return;
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}
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std::cout << GridLogIterative << std::setprecision(4)
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<< "MinimalResidual: k=0 residual " << cp << " target " << rsd_sq << std::endl;
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<< "MinimalResidual: k=0 residual " << cp << " target " << rsq << std::endl;
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GridStopWatch LinalgTimer;
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GridStopWatch MatrixTimer;
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@ -115,11 +115,11 @@ template<class Field> class MinimalResidual : public OperatorFunction<Field> {
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LinalgTimer.Stop();
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std::cout << GridLogIterative << "MinimalResidual: Iteration " << k
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<< " residual " << cp << " target " << rsd_sq << std::endl;
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<< " residual " << cp << " target " << rsq << std::endl;
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std::cout << GridLogDebug << "a = " << a << " c = " << c << " d = " << d << std::endl;
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// Stopping condition
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if (cp <= rsd_sq) {
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if (cp <= rsq) {
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SolverTimer.Stop();
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Linop.Op(psi, Mr);
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@ -58,7 +58,7 @@ int main (int argc, char ** argv)
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WilsonFermionR Dw(Umu,Grid,RBGrid,mass);
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MdagMLinearOperator<WilsonFermionR,LatticeFermion> HermOp(Dw);
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GeneralisedMinimalResidual<LatticeFermion> GMRES(1.0e-8,10000, 1);
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GeneralisedMinimalResidual<LatticeFermion> GMRES(1.0e-8, 10000, 5);
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GMRES(HermOp,src,result);
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Grid_finalize();
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