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Hadrons: scalar SU(N) 2-pt fix

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This commit is contained in:
Antonin Portelli 2018-05-01 14:02:31 +01:00
parent 49b8501fd4
commit edc28dcfbf
1 changed files with 17 additions and 10 deletions
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27
extras/Hadrons/Modules/MScalarSUN/TwoPoint.hpp
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@ -64,9 +64,9 @@ template <typename SImpl>
class TTwoPoint: public Module<TwoPointPar> class TTwoPoint: public Module<TwoPointPar>
{ {
public: public:
typedef typename SImpl::Field Field; typedef typename SImpl::Field Field;
typedef typename SImpl::ComplexField ComplexField; typedef typename SImpl::ComplexField ComplexField;
typedef std::vector<TComplex> SlicedOp; typedef std::vector<Complex> SlicedOp;
public: public:
// constructor // constructor
TTwoPoint(const std::string name); TTwoPoint(const std::string name);
@ -160,18 +160,24 @@ void TTwoPoint<SImpl>::execute(void)
LOG(Message) << " <" << p.first << " " << p.second << ">" << std::endl; LOG(Message) << " <" << p.first << " " << p.second << ">" << std::endl;
} }
const unsigned int nd = env().getDim().size(); const unsigned int nd = env().getNd();
const unsigned int nt = env().getDim().back(); const unsigned int nt = env().getDim().back();
const unsigned int nop = par().op.size(); const unsigned int nop = par().op.size();
const unsigned int nmom = mom_.size(); const unsigned int nmom = mom_.size();
double partVol = 1.;
std::vector<int> dMask(nd, 1); std::vector<int> dMask(nd, 1);
std::set<std::string> ops; std::set<std::string> ops;
std::vector<TwoPointResult> result; std::vector<TwoPointResult> result;
std::map<std::string, std::vector<SlicedOp>> slicedOp; std::map<std::string, std::vector<SlicedOp>> slicedOp;
FFT fft(env().getGrid()); FFT fft(env().getGrid());
TComplex buf;
envGetTmp(ComplexField, ftBuf); envGetTmp(ComplexField, ftBuf);
dMask[nd - 1] = 0; dMask[nd - 1] = 0;
for (unsigned int mu = 0; mu < nd - 1; ++mu)
{
partVol *= env().getDim()[mu];
}
for (auto &p: par().op) for (auto &p: par().op)
{ {
ops.insert(p.first); ops.insert(p.first);
@ -183,7 +189,7 @@ void TTwoPoint<SImpl>::execute(void)
slicedOp[o].resize(nmom); slicedOp[o].resize(nmom);
LOG(Message) << "Operator '" << o << "' FFT" << std::endl; LOG(Message) << "Operator '" << o << "' FFT" << std::endl;
fft.FFT_dim_mask(ftBuf, op, dMask, FFT::backward); fft.FFT_dim_mask(ftBuf, op, dMask, FFT::forward);
for (unsigned int m = 0; m < nmom; ++m) for (unsigned int m = 0; m < nmom; ++m)
{ {
auto qt = mom_[m]; auto qt = mom_[m];
@ -193,7 +199,8 @@ void TTwoPoint<SImpl>::execute(void)
for (unsigned int t = 0; t < nt; ++t) for (unsigned int t = 0; t < nt; ++t)
{ {
qt[nd - 1] = t; qt[nd - 1] = t;
peekSite(slicedOp[o][m][t], ftBuf, qt); peekSite(buf, ftBuf, qt);
slicedOp[o][m][t] = TensorRemove(buf)/partVol;
} }
} }
} }
@ -228,7 +235,7 @@ std::vector<Complex> TTwoPoint<SImpl>::makeTwoPoint(
{ {
for (unsigned int t = 0; t < nt; ++t) for (unsigned int t = 0; t < nt; ++t)
{ {
res[dt] += TensorRemove(trace(sink[(t+dt)%nt]*adj(source[t]))); res[dt] += sink[(t+dt)%nt]*adj(source[t]);
} }
res[dt] *= 1./static_cast<double>(nt); res[dt] *= 1./static_cast<double>(nt);
} }