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Added generators for the adjoint representation

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This commit is contained in:
Guido Cossu 2016-07-08 15:40:11 +01:00
parent fbf96b1bbb
commit 5028969d4b
15 changed files with 780 additions and 665 deletions
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benchmarks/Benchmark_dwf_ntpf
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lib/qcd/hmc/integrators/Integrator.h
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@ -1,33 +1,34 @@
/*************************************************************************************
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/hmc/integrators/Integrator.h
Source file: ./lib/qcd/hmc/integrators/Integrator.h
Copyright (C) 2015
Copyright (C) 2015
Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
Author: neo <cossu@post.kek.jp>
Author: paboyle <paboyle@ph.ed.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
See the full license in the file "LICENSE" in the top level distribution
directory
*************************************************************************************/
/* END LEGAL */
//--------------------------------------------------------------------
/*! @file Integrator.h
* @brief Classes for the Molecular Dynamics integrator
@ -40,208 +41,201 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
#ifndef INTEGRATOR_INCLUDED
#define INTEGRATOR_INCLUDED
//class Observer;
// class Observer;
#include <memory>
namespace Grid{
namespace QCD{
namespace Grid {
namespace QCD {
struct IntegratorParameters{
struct IntegratorParameters {
int Nexp;
int MDsteps; // number of outer steps
RealD trajL; // trajectory length
RealD stepsize;
int Nexp;
int MDsteps; // number of outer steps
RealD trajL; // trajectory length
RealD stepsize;
IntegratorParameters(int MDsteps_,
RealD trajL_=1.0,
int Nexp_=12):
Nexp(Nexp_),
MDsteps(MDsteps_),
trajL(trajL_),
stepsize(trajL/MDsteps)
{
// empty body constructor
};
};
/*! @brief Class for Molecular Dynamics management */
template<class GaugeField, class SmearingPolicy>
class Integrator {
protected:
typedef IntegratorParameters ParameterType;
IntegratorParameters Params;
const ActionSet<GaugeField> as;
int levels; //
double t_U; // Track time passing on each level and for U and for P
std::vector<double> t_P; //
GaugeField P;
SmearingPolicy &Smearer;
// Should match any legal (SU(n)) gauge field
// Need to use this template to match Ncol to pass to SU<N> class
template<int Ncol,class vec> void generate_momenta(Lattice< iVector< iScalar< iMatrix<vec,Ncol> >, Nd> > & P,GridParallelRNG& pRNG){
typedef Lattice< iScalar< iScalar< iMatrix<vec,Ncol> > > > GaugeLinkField;
GaugeLinkField Pmu(P._grid);
Pmu = zero;
for(int mu=0;mu<Nd;mu++){
SU<Ncol>::GaussianLieAlgebraMatrix(pRNG, Pmu);
PokeIndex<LorentzIndex>(P, Pmu, mu);
}
}
//ObserverList observers; // not yet
// typedef std::vector<Observer*> ObserverList;
// void register_observers();
// void notify_observers();
void update_P(GaugeField&U, int level, double ep){
t_P[level]+=ep;
update_P(P,U,level,ep);
std::cout<<GridLogIntegrator<<"["<<level<<"] P " << " dt "<< ep <<" : t_P "<< t_P[level] <<std::endl;
}
void update_P(GaugeField &Mom,GaugeField&U, int level,double ep){
// input U actually not used...
for(int a=0; a<as[level].actions.size(); ++a){
GaugeField force(U._grid);
GaugeField& Us = Smearer.get_U(as[level].actions.at(a)->is_smeared);
as[level].actions.at(a)->deriv(Us,force); // deriv should NOT include Ta
std::cout<< GridLogIntegrator << "Smearing (on/off): "<<as[level].actions.at(a)->is_smeared <<std::endl;
if (as[level].actions.at(a)->is_smeared) Smearer.smeared_force(force);
force = Ta(force);
std::cout<< GridLogIntegrator << "Force average: "<< norm2(force)/(U._grid->gSites()) <<std::endl;
Mom -= force*ep;
}
}
void update_U(GaugeField&U, double ep){
update_U(P,U,ep);
t_U+=ep;
int fl = levels-1;
std::cout<< GridLogIntegrator <<" "<<"["<<fl<<"] U " << " dt "<< ep <<" : t_U "<< t_U <<std::endl;
}
void update_U(GaugeField &Mom, GaugeField&U, double ep){
//rewrite exponential to deal automatically with the lorentz index?
// GaugeLinkField Umu(U._grid);
// GaugeLinkField Pmu(U._grid);
for (int mu = 0; mu < Nd; mu++){
auto Umu=PeekIndex<LorentzIndex>(U, mu);
auto Pmu=PeekIndex<LorentzIndex>(Mom, mu);
Umu = expMat(Pmu, ep, Params.Nexp)*Umu;
ProjectOnGroup(Umu);
PokeIndex<LorentzIndex>(U, Umu, mu);
}
// Update the smeared fields, can be implemented as observer
Smearer.set_GaugeField(U);
}
virtual void step (GaugeField& U,int level, int first,int last)=0;
public:
Integrator(GridBase* grid,
IntegratorParameters Par,
ActionSet<GaugeField> & Aset,
SmearingPolicy &Sm):
Params(Par),
as(Aset),
P(grid),
levels(Aset.size()),
Smearer(Sm)
{
t_P.resize(levels,0.0);
t_U=0.0;
// initialization of smearer delegated outside of Integrator
};
virtual ~Integrator(){}
//Initialization of momenta and actions
void refresh(GaugeField& U,GridParallelRNG &pRNG){
std::cout<<GridLogIntegrator<< "Integrator refresh\n";
generate_momenta(P,pRNG);
for(int level=0; level< as.size(); ++level){
for(int actionID=0; actionID<as[level].actions.size(); ++actionID){
// get gauge field from the SmearingPolicy and
// based on the boolean is_smeared in actionID
GaugeField& Us = Smearer.get_U(as[level].actions.at(actionID)->is_smeared);
as[level].actions.at(actionID)->refresh(Us, pRNG);
}
}
}
// Calculate action
RealD S(GaugeField& U){// here also U not used
LatticeComplex Hloc(U._grid); Hloc = zero;
// Momenta
for (int mu=0; mu <Nd; mu++){
auto Pmu = PeekIndex<LorentzIndex>(P, mu);
Hloc -= trace(Pmu*Pmu);
}
Complex Hsum = sum(Hloc);
RealD H = Hsum.real();
RealD Hterm;
std::cout<<GridLogMessage << "Momentum action H_p = "<< H << "\n";
// Actions
for(int level=0; level<as.size(); ++level){
for(int actionID=0; actionID<as[level].actions.size(); ++actionID){
// get gauge field from the SmearingPolicy and
// based on the boolean is_smeared in actionID
GaugeField& Us = Smearer.get_U(as[level].actions.at(actionID)->is_smeared);
Hterm = as[level].actions.at(actionID)->S(Us);
std::cout<<GridLogMessage << "S Level "<<level<<" term "<<actionID<<" H = "<<Hterm<<std::endl;
H += Hterm;
}
}
return H;
}
void integrate(GaugeField& U){
// reset the clocks
t_U=0;
for(int level=0; level<as.size(); ++level){
t_P[level]=0;
}
for(int step=0; step< Params.MDsteps; ++step){ // MD step
int first_step = (step==0);
int last_step = (step==Params.MDsteps-1);
this->step(U,0,first_step,last_step);
}
// Check the clocks all match on all levels
for(int level=0; level<as.size(); ++level){
assert(fabs(t_U - t_P[level])<1.0e-6); // must be the same
std::cout<<GridLogIntegrator<<" times["<<level<<"]= "<<t_P[level]<< " " << t_U <<std::endl;
}
// and that we indeed got to the end of the trajectory
assert(fabs(t_U-Params.trajL) < 1.0e-6);
}
IntegratorParameters(int MDsteps_, RealD trajL_ = 1.0, int Nexp_ = 12)
: Nexp(Nexp_),
MDsteps(MDsteps_),
trajL(trajL_),
stepsize(trajL / MDsteps){
// empty body constructor
};
};
/*! @brief Class for Molecular Dynamics management */
template <class GaugeField, class SmearingPolicy>
class Integrator {
protected:
typedef IntegratorParameters ParameterType;
IntegratorParameters Params;
const ActionSet<GaugeField> as;
int levels; //
double t_U; // Track time passing on each level and for U and for P
std::vector<double> t_P; //
GaugeField P;
SmearingPolicy& Smearer;
// Should match any legal (SU(n)) gauge field
// Need to use this template to match Ncol to pass to SU<N> class
template <int Ncol, class vec>
void generate_momenta(Lattice<iVector<iScalar<iMatrix<vec, Ncol> >, Nd> >& P,
GridParallelRNG& pRNG) {
typedef Lattice<iScalar<iScalar<iMatrix<vec, Ncol> > > > GaugeLinkField;
GaugeLinkField Pmu(P._grid);
Pmu = zero;
for (int mu = 0; mu < Nd; mu++) {
SU<Ncol>::GaussianFundamentalLieAlgebraMatrix(pRNG, Pmu);
PokeIndex<LorentzIndex>(P, Pmu, mu);
}
}
// ObserverList observers; // not yet
// typedef std::vector<Observer*> ObserverList;
// void register_observers();
// void notify_observers();
void update_P(GaugeField& U, int level, double ep) {
t_P[level] += ep;
update_P(P, U, level, ep);
std::cout << GridLogIntegrator << "[" << level << "] P "
<< " dt " << ep << " : t_P " << t_P[level] << std::endl;
}
void update_P(GaugeField& Mom, GaugeField& U, int level, double ep) {
// input U actually not used...
for (int a = 0; a < as[level].actions.size(); ++a) {
GaugeField force(U._grid);
GaugeField& Us = Smearer.get_U(as[level].actions.at(a)->is_smeared);
as[level].actions.at(a)->deriv(Us, force); // deriv should NOT include Ta
std::cout << GridLogIntegrator
<< "Smearing (on/off): " << as[level].actions.at(a)->is_smeared
<< std::endl;
if (as[level].actions.at(a)->is_smeared) Smearer.smeared_force(force);
force = Ta(force);
std::cout << GridLogIntegrator
<< "Force average: " << norm2(force) / (U._grid->gSites())
<< std::endl;
Mom -= force * ep;
}
}
void update_U(GaugeField& U, double ep) {
update_U(P, U, ep);
t_U += ep;
int fl = levels - 1;
std::cout << GridLogIntegrator << " "
<< "[" << fl << "] U "
<< " dt " << ep << " : t_U " << t_U << std::endl;
}
void update_U(GaugeField& Mom, GaugeField& U, double ep) {
// rewrite exponential to deal automatically with the lorentz index?
// GaugeLinkField Umu(U._grid);
// GaugeLinkField Pmu(U._grid);
for (int mu = 0; mu < Nd; mu++) {
auto Umu = PeekIndex<LorentzIndex>(U, mu);
auto Pmu = PeekIndex<LorentzIndex>(Mom, mu);
Umu = expMat(Pmu, ep, Params.Nexp) * Umu;
ProjectOnGroup(Umu);
PokeIndex<LorentzIndex>(U, Umu, mu);
}
// Update the smeared fields, can be implemented as observer
Smearer.set_GaugeField(U);
}
virtual void step(GaugeField& U, int level, int first, int last) = 0;
public:
Integrator(GridBase* grid, IntegratorParameters Par,
ActionSet<GaugeField>& Aset, SmearingPolicy& Sm)
: Params(Par), as(Aset), P(grid), levels(Aset.size()), Smearer(Sm) {
t_P.resize(levels, 0.0);
t_U = 0.0;
// initialization of smearer delegated outside of Integrator
};
virtual ~Integrator() {}
// Initialization of momenta and actions
void refresh(GaugeField& U, GridParallelRNG& pRNG) {
std::cout << GridLogIntegrator << "Integrator refresh\n";
generate_momenta(P, pRNG);
for (int level = 0; level < as.size(); ++level) {
for (int actionID = 0; actionID < as[level].actions.size(); ++actionID) {
// get gauge field from the SmearingPolicy and
// based on the boolean is_smeared in actionID
GaugeField& Us =
Smearer.get_U(as[level].actions.at(actionID)->is_smeared);
as[level].actions.at(actionID)->refresh(Us, pRNG);
}
}
}
// Calculate action
RealD S(GaugeField& U) { // here also U not used
LatticeComplex Hloc(U._grid);
Hloc = zero;
// Momenta
for (int mu = 0; mu < Nd; mu++) {
auto Pmu = PeekIndex<LorentzIndex>(P, mu);
Hloc -= trace(Pmu * Pmu);
}
Complex Hsum = sum(Hloc);
RealD H = Hsum.real();
RealD Hterm;
std::cout << GridLogMessage << "Momentum action H_p = " << H << "\n";
// Actions
for (int level = 0; level < as.size(); ++level) {
for (int actionID = 0; actionID < as[level].actions.size(); ++actionID) {
// get gauge field from the SmearingPolicy and
// based on the boolean is_smeared in actionID
GaugeField& Us =
Smearer.get_U(as[level].actions.at(actionID)->is_smeared);
Hterm = as[level].actions.at(actionID)->S(Us);
std::cout << GridLogMessage << "S Level " << level << " term "
<< actionID << " H = " << Hterm << std::endl;
H += Hterm;
}
}
return H;
}
void integrate(GaugeField& U) {
// reset the clocks
t_U = 0;
for (int level = 0; level < as.size(); ++level) {
t_P[level] = 0;
}
for (int step = 0; step < Params.MDsteps; ++step) { // MD step
int first_step = (step == 0);
int last_step = (step == Params.MDsteps - 1);
this->step(U, 0, first_step, last_step);
}
// Check the clocks all match on all levels
for (int level = 0; level < as.size(); ++level) {
assert(fabs(t_U - t_P[level]) < 1.0e-6); // must be the same
std::cout << GridLogIntegrator << " times[" << level
<< "]= " << t_P[level] << " " << t_U << std::endl;
}
// and that we indeed got to the end of the trajectory
assert(fabs(t_U - Params.trajL) < 1.0e-6);
}
};
}
}
#endif//INTEGRATOR_INCLUDED
#endif // INTEGRATOR_INCLUDED

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lib/qcd/utils/SUn.h
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2
tests/Test_contfrac_force.cc
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@ -96,7 +96,7 @@ int main (int argc, char ** argv)
for(int mu=0;mu<Nd;mu++){
SU3::GaussianLieAlgebraMatrix(RNG4, mommu); // Traceless antihermitian momentum; gaussian in lie alg
SU3::GaussianFundamentalLieAlgebraMatrix(RNG4, mommu); // Traceless antihermitian momentum; gaussian in lie alg
PokeIndex<LorentzIndex>(mom,mommu,mu);

2
tests/Test_dwf_force.cc
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@ -96,7 +96,7 @@ int main (int argc, char ** argv)
for(int mu=0;mu<Nd;mu++){
SU3::GaussianLieAlgebraMatrix(RNG4, mommu); // Traceless antihermitian momentum; gaussian in lie alg
SU3::GaussianFundamentalLieAlgebraMatrix(RNG4, mommu); // Traceless antihermitian momentum; gaussian in lie alg
PokeIndex<LorentzIndex>(mom,mommu,mu);

2
tests/Test_dwf_gpforce.cc
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@ -113,7 +113,7 @@ int main (int argc, char ** argv)
for(int mu=0;mu<Nd;mu++){
SU3::GaussianLieAlgebraMatrix(RNG4, mommu); // Traceless antihermitian momentum; gaussian in lie alg
SU3::GaussianFundamentalLieAlgebraMatrix(RNG4, mommu); // Traceless antihermitian momentum; gaussian in lie alg
Hmom -= real(sum(trace(mommu*mommu)));

2
tests/Test_gp_rect_force.cc
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@ -82,7 +82,7 @@ int main (int argc, char ** argv)
for(int mu=0;mu<Nd;mu++){
SU3::GaussianLieAlgebraMatrix(pRNG, mommu); // Traceless antihermitian momentum; gaussian in lie alg
SU3::GaussianFundamentalLieAlgebraMatrix(pRNG, mommu); // Traceless antihermitian momentum; gaussian in lie alg
PokeIndex<LorentzIndex>(mom,mommu,mu);

4
tests/Test_gpdwf_force.cc
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@ -100,7 +100,7 @@ int main (int argc, char ** argv)
for(int mu=0;mu<Nd;mu++){
SU3::GaussianLieAlgebraMatrix(RNG4, mommu); // Traceless antihermitian momentum; gaussian in lie alg
SU3::GaussianFundamentalLieAlgebraMatrix(RNG4, mommu); // Traceless antihermitian momentum; gaussian in lie alg
PokeIndex<LorentzIndex>(mom,mommu,mu);
@ -169,7 +169,7 @@ int main (int argc, char ** argv)
//
// Pmu = zero;
// for(int mu=0;mu<Nd;mu++){
// SU<Ncol>::GaussianLieAlgebraMatrix(pRNG, Pmu);
// SU<Ncol>::GaussianFundamentalLieAlgebraMatrix(pRNG, Pmu);
// PokeIndex<LorentzIndex>(P, Pmu, mu);
// }
//

85
tests/Test_lie_generators.cc
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@ -1,70 +1,74 @@
/*************************************************************************************
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Grid physics library, www.github.com/paboyle/Grid
Source file: ./tests/Test_lie_generators.cc
Source file: ./tests/Test_lie_generators.cc
Copyright (C) 2015
Copyright (C) 2015
Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
See the full license in the file "LICENSE" in the top level distribution
directory
*************************************************************************************/
/* END LEGAL */
#include <Grid.h>
#include <qcd/utils/CovariantCshift.h>
#include <qcd/utils/WilsonLoops.h>
#include <qcd/utils/SUn.h>
#include <qcd/utils/WilsonLoops.h>
using namespace std;
using namespace Grid;
using namespace Grid::QCD;
int main(int argc, char** argv) {
Grid_init(&argc, &argv);
int main (int argc, char ** argv)
{
Grid_init(&argc,&argv);
std::vector<int> latt({4, 4, 4, 8});
GridCartesian* grid = SpaceTimeGrid::makeFourDimGrid(
latt, GridDefaultSimd(Nd, vComplex::Nsimd()), GridDefaultMpi());
std::vector<int> latt({4,4,4,8});
GridCartesian * grid = SpaceTimeGrid::makeFourDimGrid(latt,
GridDefaultSimd(Nd,vComplex::Nsimd()),
GridDefaultMpi());
GridRedBlackCartesian * rbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(grid);
GridRedBlackCartesian* rbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(grid);
std::cout<<GridLogMessage<<"*********************************************"<<std::endl;
std::cout<<GridLogMessage<<"* Generators for SU(2)"<<std::endl;
std::cout<<GridLogMessage<<"*********************************************"<<std::endl;
std::cout << GridLogMessage << "*********************************************"
<< std::endl;
std::cout << GridLogMessage << "* Generators for SU(2)" << std::endl;
std::cout << GridLogMessage << "*********************************************"
<< std::endl;
SU2::printGenerators();
SU2::printAdjointGenerators();
SU2::testGenerators();
std::cout<<GridLogMessage<<"*********************************************"<<std::endl;
std::cout<<GridLogMessage<<"* Generators for SU(3)"<<std::endl;
std::cout<<GridLogMessage<<"*********************************************"<<std::endl;
std::cout << GridLogMessage << "*********************************************"
<< std::endl;
std::cout << GridLogMessage << "* Generators for SU(3)" << std::endl;
std::cout << GridLogMessage << "*********************************************"
<< std::endl;
SU3::printGenerators();
SU3::printAdjointGenerators();
SU3::testGenerators();
// std::cout<<GridLogMessage<<"*********************************************"<<std::endl;
// std::cout<<GridLogMessage<<"* Generators for SU(4)"<<std::endl;
// std::cout<<GridLogMessage<<"*********************************************"<<std::endl;
// SU4::printGenerators();
// SU4::testGenerators();
std::cout<<GridLogMessage<<"*********************************************"<<std::endl;
std::cout<<GridLogMessage<<"* Generators for SU(4)"<<std::endl;
std::cout<<GridLogMessage<<"*********************************************"<<std::endl;
SU4::printGenerators();
SU4::testGenerators();
// std::cout<<GridLogMessage<<"*********************************************"<<std::endl;
// std::cout<<GridLogMessage<<"* Generators for SU(5)"<<std::endl;
@ -72,8 +76,5 @@ int main (int argc, char ** argv)
// SU5::printGenerators();
// SU5::testGenerators();
Grid_finalize();
}

2
tests/Test_partfrac_force.cc
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@ -96,7 +96,7 @@ int main (int argc, char ** argv)
for(int mu=0;mu<Nd;mu++){
SU3::GaussianLieAlgebraMatrix(RNG4, mommu); // Traceless antihermitian momentum; gaussian in lie alg
SU3::GaussianFundamentalLieAlgebraMatrix(RNG4, mommu); // Traceless antihermitian momentum; gaussian in lie alg
PokeIndex<LorentzIndex>(mom,mommu,mu);

2
tests/Test_rect_force.cc
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@ -81,7 +81,7 @@ int main (int argc, char ** argv)
for(int mu=0;mu<Nd;mu++){
SU3::GaussianLieAlgebraMatrix(pRNG, mommu); // Traceless antihermitian momentum; gaussian in lie alg
SU3::GaussianFundamentalLieAlgebraMatrix(pRNG, mommu); // Traceless antihermitian momentum; gaussian in lie alg
PokeIndex<LorentzIndex>(mom,mommu,mu);

2
tests/Test_wilson_force.cc
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@ -93,7 +93,7 @@ int main (int argc, char ** argv)
for(int mu=0;mu<Nd;mu++){
SU3::GaussianLieAlgebraMatrix(pRNG, mommu); // Traceless antihermitian momentum; gaussian in lie alg
SU3::GaussianFundamentalLieAlgebraMatrix(pRNG, mommu); // Traceless antihermitian momentum; gaussian in lie alg
Hmom -= real(sum(trace(mommu*mommu)));

2
tests/Test_wilson_force_phiMdagMphi.cc
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@ -103,7 +103,7 @@ int main (int argc, char ** argv)
for(int mu=0;mu<Nd;mu++){
SU3::GaussianLieAlgebraMatrix(pRNG, mommu); // Traceless antihermitian momentum; gaussian in lie alg
SU3::GaussianFundamentalLieAlgebraMatrix(pRNG, mommu); // Traceless antihermitian momentum; gaussian in lie alg
// Dw.DoubleStore(Dw.Umu,Uprime); // update U _and_ Udag
Dw.DhopDirDisp(phi,Ftmp,mu,mu+4,DaggerYes);

2
tests/Test_wilson_force_phiMphi.cc
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@ -86,7 +86,7 @@ int main (int argc, char ** argv)
LatticeColourMatrix Umu_save(&Grid);
LatticeColourMatrix dU (&Grid);
LatticeColourMatrix mom(&Grid);
SU3::GaussianLieAlgebraMatrix(pRNG, mom); // Traceless antihermitian momentum; gaussian in lie alg
SU3::GaussianFundamentalLieAlgebraMatrix(pRNG, mom); // Traceless antihermitian momentum; gaussian in lie alg
// check mom is as i expect