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https://github.com/paboyle/Grid.git
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Converted set_uw and set_fj to all complex functions
This commit is contained in:
Guido Cossu
parent
092fa0d8da
commit
1a6d65c6a4
@ -81,11 +81,16 @@ GaugeField AnalyticSmearedForce(const GaugeField& SigmaKPrime,
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StoutSmearing.derivative(SigmaK, iLambda, GaugeK);// derivative of SmearBase
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return SigmaK;
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}
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/*! @brief Returns smeared configuration at level 'Level' */
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/*! @brief Returns smeared configuration at level 'Level' */
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const GaugeField& get_smeared_conf(int Level) const{
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return SmearedSet[Level];
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}
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//====================================================================
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//====================================================================
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void set_iLambda(GaugeLinkField& iLambda,
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GaugeLinkField& e_iQ,
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const GaugeLinkField& iQ,
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@ -179,10 +184,11 @@ void set_iLambda(GaugeLinkField& iLambda,
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}
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//====================================================================
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//====================================================================
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public:
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GaugeField* ThinLinks; /*!< @brief Pointer to the thin
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links configuration */
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links configuration */
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/*! @brief Standard constructor */
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SmearedConfiguration(GridCartesian * UGrid,
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@ -15,8 +15,6 @@
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const std::vector<double> d_rho;
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const Smear < Gimpl > * SmearBase;
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public:
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INHERIT_GIMPL_TYPES(Gimpl)
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@ -39,129 +37,195 @@
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//Smear the configurations
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SmearBase->smear(C, U);
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for (int mu = 0; mu<Nd; mu++){
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for (int mu = 0; mu<Nd; mu++)
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{
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tmp = peekLorentz(C,mu);
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Umu = peekLorentz(U,mu);
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iq_mu = Ta(tmp * adj(Umu)); // iq_mu = Ta(Omega_mu) to match the signs with the paper
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exponentiate_iQ(tmp, iq_mu);
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pokeLorentz(u_smr, tmp*Umu, mu);// u_smr = exp(iQ_mu)*U_mu
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}
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std::cout<< GridLogDebug << "Stout smearing completed\n";
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}
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void derivative(GaugeField& SigmaTerm,
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const GaugeField& iLambda,
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const GaugeField& Gauge) const{
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SmearBase->derivative(SigmaTerm, iLambda, Gauge);
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}
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iq_mu = Ta(tmp * adj(Umu)); // iq_mu = Ta(Omega_mu) to match the signs with the paper
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exponentiate_iQ(tmp, iq_mu);
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GaugeLinkField check = adj(tmp) * tmp - 1.0;
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pokeLorentz(u_smr, tmp*Umu, mu);// u_smr = exp(iQ_mu)*U_mu
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}
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std::cout<< GridLogDebug << "Stout smearing completed\n";
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void BaseSmear(GaugeField& C,
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const GaugeField& U) const{
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SmearBase->smear(C, U);
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}
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void exponentiate_iQ(GaugeLinkField& e_iQ,
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const GaugeLinkField& iQ) const{
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// Put this outside
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// only valid for SU(3) matrices
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// only one Lorentz direction at a time
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// notice that it actually computes
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// exp ( input matrix )
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// the i sign is coming from outside
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// input matrix is anti-hermitian NOT hermitian
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GridBase *grid = iQ._grid;
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GaugeLinkField unity(grid);
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unity=1.0;
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GaugeLinkField iQ2(grid), iQ3(grid);
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LatticeReal u(grid), w(grid);
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LatticeComplex f0(grid), f1(grid), f2(grid);
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iQ2 = iQ * iQ;
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iQ3 = iQ * iQ2;
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set_uw(u, w, iQ2, iQ3);
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set_fj(f0, f1, f2, u, w);
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e_iQ = f0*unity + timesMinusI(f1) * iQ - f2 * iQ2;
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};
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};
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void set_uw(LatticeReal& u, LatticeReal& w,
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GaugeLinkField& iQ2, GaugeLinkField& iQ3) const{
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Real one_over_three = 1.0/3.0;
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Real one_over_two = 1.0/2.0;
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GridBase *grid = u._grid;
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LatticeReal c0(grid), c1(grid), tmp(grid), c0max(grid), theta(grid);
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// sign in c0 from the conventions on the Ta
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// c0 = - toReal(imag(trace(iQ3))) * one_over_three;
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c0 = - toReal(real(timesMinusI(trace(iQ3)))) * one_over_three; //temporary, FIX the bug in imag
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c1 = - toReal(real(trace(iQ2))) * one_over_two;
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tmp = c1 * one_over_three;
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c0max = 2.0 * pow(tmp, 1.5);
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theta = acos(c0/c0max);
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u = sqrt(tmp) * cos( theta * one_over_three);
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w = sqrt(c1) * sin( theta * one_over_three);
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}
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void set_fj(LatticeComplex& f0, LatticeComplex& f1, LatticeComplex& f2,
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const LatticeReal& u, const LatticeReal& w) const{
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GridBase *grid = u._grid;
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LatticeReal xi0(grid), u2(grid), w2(grid), cosw(grid), tmp(grid);
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LatticeComplex fden(grid);
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LatticeComplex h0(grid), h1(grid), h2(grid);
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LatticeComplex e2iu(grid), emiu(grid), ixi0(grid), qt(grid);
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xi0 = func_xi0(w);
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u2 = u * u;
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w2 = w * w;
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cosw = cos(w);
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ixi0 = timesI(toComplex(xi0));
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emiu = toComplex(cos(u)) - timesI(toComplex(sin(u)));
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e2iu = toComplex(cos(2.0*u)) + timesI(toComplex(sin(2.0*u)));
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h0 = e2iu * toComplex(u2 - w2) + emiu *( toComplex(8.0*u2*cosw) +
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toComplex(2.0*u*(3.0*u2 + w2))*ixi0);
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h1 = toComplex(2.0*u) * e2iu - emiu*( toComplex(2.0*u*cosw) -
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toComplex(3.0*u2-w2)*ixi0);
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h2 = e2iu - emiu * (toComplex(cosw) + toComplex(3.0*u)*ixi0);
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tmp = 9.0*u2 - w2;
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fden = toComplex(pow(tmp, -1.0));
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f0 = h0 * fden;
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f1 = h1 * fden;
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f2 = h2 * fden;
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}
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void derivative(GaugeField& SigmaTerm,
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const GaugeField& iLambda,
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const GaugeField& Gauge) const{
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SmearBase->derivative(SigmaTerm, iLambda, Gauge);
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};
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LatticeReal func_xi0(const LatticeReal& w) const{
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void BaseSmear(GaugeField& C,
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const GaugeField& U) const{
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SmearBase->smear(C, U);
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};
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void exponentiate_iQ(GaugeLinkField& e_iQ,
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const GaugeLinkField& iQ) const{
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// Put this outside
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// only valid for SU(3) matrices
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// only one Lorentz direction at a time
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// notice that it actually computes
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// exp ( input matrix )
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// the i sign is coming from outside
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// input matrix is anti-hermitian NOT hermitian
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GridBase *grid = iQ._grid;
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GaugeLinkField unity(grid);
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unity=1.0;
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GaugeLinkField iQ2(grid), iQ3(grid);
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LatticeComplex u(grid), w(grid);
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LatticeComplex f0(grid), f1(grid), f2(grid);
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iQ2 = iQ * iQ;
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iQ3 = iQ * iQ2;
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set_uw_complex(u, w, iQ2, iQ3);
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set_fj_complex(f0, f1, f2, u, w);
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e_iQ = f0*unity + timesMinusI(f1) * iQ - f2 * iQ2;
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};
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void set_uw(LatticeReal& u, LatticeReal& w,
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GaugeLinkField& iQ2, GaugeLinkField& iQ3) const{
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Real one_over_three = 1.0/3.0;
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Real one_over_two = 1.0/2.0;
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GridBase *grid = u._grid;
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LatticeReal c0(grid), c1(grid), tmp(grid), c0max(grid), theta(grid);
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// sign in c0 from the conventions on the Ta
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// c0 = - toReal(imag(trace(iQ3))) * one_over_three;
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c0 = - toReal(real(timesMinusI(trace(iQ3)))) * one_over_three; //slow and temporary, FIX the bug in imag
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c1 = - toReal(real(trace(iQ2))) * one_over_two;
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tmp = c1 * one_over_three;
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c0max = 2.0 * pow(tmp, 1.5);
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theta = acos(c0/c0max);
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u = sqrt(tmp) * cos( theta * one_over_three);
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w = sqrt(c1) * sin( theta * one_over_three);
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}
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void set_uw_complex(LatticeComplex& u, LatticeComplex& w,
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GaugeLinkField& iQ2, GaugeLinkField& iQ3) const{
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Complex one_over_three = 1.0/3.0;
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Complex one_over_two = 1.0/2.0;
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GridBase *grid = u._grid;
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LatticeComplex c0(grid), c1(grid), tmp(grid), c0max(grid), theta(grid);
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// sign in c0 from the conventions on the Ta
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c0 = - real(timesMinusI(trace(iQ3))) * one_over_three; //temporary hack
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c1 = - real(trace(iQ2)) * one_over_two;
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tmp = c1 * one_over_three;
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c0max = 2.0 * pow(tmp, 1.5);
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theta = acos(c0/c0max);
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u = sqrt(tmp) * cos( theta * one_over_three);
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w = sqrt(c1) * sin( theta * one_over_three);
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}
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void set_fj(LatticeComplex& f0, LatticeComplex& f1, LatticeComplex& f2,
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const LatticeReal& u, const LatticeReal& w) const{
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GridBase *grid = u._grid;
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LatticeReal xi0(grid), u2(grid), w2(grid), cosw(grid), tmp(grid);
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LatticeComplex fden(grid);
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LatticeComplex h0(grid), h1(grid), h2(grid);
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LatticeComplex e2iu(grid), emiu(grid), ixi0(grid), qt(grid);
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xi0 = func_xi0(w);
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u2 = u * u;
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w2 = w * w;
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cosw = cos(w);
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ixi0 = timesI(toComplex(xi0));
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emiu = toComplex(cos(u)) - timesI(toComplex(sin(u)));
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e2iu = toComplex(cos(2.0*u)) + timesI(toComplex(sin(2.0*u)));
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h0 = e2iu * toComplex(u2 - w2) + emiu *( toComplex(8.0*u2*cosw) +
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toComplex(2.0*u*(3.0*u2 + w2))*ixi0);
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h1 = toComplex(2.0*u) * e2iu - emiu*( toComplex(2.0*u*cosw) -
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toComplex(3.0*u2-w2)*ixi0);
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h2 = e2iu - emiu * (toComplex(cosw) + toComplex(3.0*u)*ixi0);
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tmp = 9.0*u2 - w2;
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fden = toComplex(pow(tmp, -1.0));
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f0 = h0 * fden;
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f1 = h1 * fden;
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f2 = h2 * fden;
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}
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void set_fj_complex(LatticeComplex& f0, LatticeComplex& f1, LatticeComplex& f2,
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const LatticeComplex& u, const LatticeComplex& w) const{
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GridBase *grid = u._grid;
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LatticeComplex xi0(grid), u2(grid), w2(grid), cosw(grid), tmp(grid);
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LatticeComplex fden(grid);
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LatticeComplex h0(grid), h1(grid), h2(grid);
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LatticeComplex e2iu(grid), emiu(grid), ixi0(grid), qt(grid);
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xi0 = sin(w)/w;//func_xi0(w);
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u2 = u * u;
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w2 = w * w;
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cosw = cos(w);
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ixi0 = timesI(xi0);
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emiu = cos(u) - timesI(sin(u));
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e2iu = cos(2.0*u) + timesI(sin(2.0*u));
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h0 = e2iu * (u2 - w2) + emiu *( (8.0*u2*cosw) +
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(2.0*u*(3.0*u2 + w2)*ixi0));
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h1 = (2.0*u) * e2iu - emiu*( (2.0*u*cosw) -
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(3.0*u2-w2)*ixi0);
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h2 = e2iu - emiu * (cosw + (3.0*u)*ixi0);
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tmp = 9.0*u2 - w2;
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fden = pow(tmp, -1.0);
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f0 = h0 * fden;
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f1 = h1 * fden;
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f2 = h2 * fden;
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}
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LatticeReal func_xi0(const LatticeReal& w) const{
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// Define a function to do the check
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//if( w < 1e-4 ) std::cout << GridLogWarning<< "[Smear_stout] w too small: "<< w <<"\n";
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return sin(w)/w;
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}
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return sin(w)/w;
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}
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LatticeReal func_xi1(const LatticeReal& w) const{
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LatticeReal func_xi1(const LatticeReal& w) const{
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// Define a function to do the check
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//if( w < 1e-4 ) std::cout << GridLogWarning << "[Smear_stout] w too small: "<< w <<"\n";
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return cos(w)/(w*w) - sin(w)/(w*w*w);
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}
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return cos(w)/(w*w) - sin(w)/(w*w*w);
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}
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};
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};
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}
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}
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}
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#endif
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@ -490,7 +490,7 @@ namespace Grid {
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typedef Grid_simd<S,V> simd;
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simd ret;
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typename simd::conv_t conv;
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conv.v = in.v;
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conv.v = in.v; // copy the vector content (bytewise)
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for(int i=0;i<simd::Nsimd();i+=2){
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conv.s[i+1]=conv.s[i]; // duplicate (r,r);(r,r);(r,r); etc...
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}
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