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back to su3 #45

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merged 2 commits into from
Mar 7, 2023
Merged

back to su3 #45

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29fa511
plaquette measure: spatial only supported
simone-romiti Feb 25, 2023
3610ba5
Merge pull request #43 from urbach/su3
simone-romiti Mar 7, 2023
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19 changes: 11 additions & 8 deletions include/omeasurements.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -41,20 +41,24 @@ namespace omeasurements {
* @return double
*/
template <class Group>
double get_retr_plaquette_density(const gaugeconfig<Group> &U, const std::string &bc) {
const double ndims_fact = spacetime_lattice::num_pLloops_half(U.getndims());
double get_retr_plaquette_density(const gaugeconfig<Group> &U,
const std::string &bc,
const bool &spatial = false) {
const double ndims_fact =
spacetime_lattice::num_pLloops_half(U.getndims() - int(spatial));
double P = 0.0; // plaquette density value
double den = ndims_fact * double(U.getNc());

if (bc == "periodic") {
using flat_spacetime::retr_sum_Wplaquettes;
P = retr_sum_Wplaquettes(U); // xi=1.0, anisotropic=false, spatial_only=false
P = flat_spacetime::retr_sum_Wplaquettes(U, /*xi=*/1.0, /*anisotropic=*/false,
/*spatial=*/spatial);
den *= U.getVolume();
} else if (bc == "spatial_open") {
const size_t ndims = U.getndims();
obc::weights w(bc, U.getLx(), U.getLy(), U.getLz(), U.getLt(), ndims);

P = obc::retr_sum_Wplaquettes(U, w); // xi = 1.0, anisotropic = false
P = obc::retr_sum_Wplaquettes(U, w, /*xi=*/1.0, /*anisotropic=*/false,
/*spatial=*/spatial);
if (ndims > 0) {
den *= U.getLt();
if (ndims > 1) {
Expand Down Expand Up @@ -92,10 +96,9 @@ namespace omeasurements {
const std::string path = oss.str();
std::ofstream ofs(path, std::ios::out);

const double ndims_fact = spacetime_lattice::num_pLloops_half(U.getndims());

ofs << "i P\n";
double P = get_retr_plaquette_density(U, S.plaquette.bc); // plaquette density value
// plaquette density value
const double P = get_retr_plaquette_density(U, S.plaquette.bc, S.plaquette.spatial);
ofs << i << std::scientific << std::setprecision(16) << " " << P << "\n";
ofs.close();

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1 change: 1 addition & 0 deletions include/parameters.hh
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Expand Up @@ -52,6 +52,7 @@ namespace global_parameters {

std::string subdir = ""; // subdirectory of the online measurements directory

bool spatial = false; // true when computing only the spatial contributions
// boundary condition type (note: can be different from the MCMC)
std::string bc = "periodic";
};
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3 changes: 2 additions & 1 deletion parse_input_file.cc
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Expand Up @@ -200,11 +200,12 @@ namespace input_file_parsing {

mpparams.measure_it = true;
in.read_opt_verb<std::string>(mpparams.subdir, {"subdir"});
in.read_opt_verb<bool>(mpparams.spatial, {"spatial"});
in.read_opt_verb<std::string>(mpparams.bc, {"bc"});
if (nd["bc"]) {
check_bc(mpparams.bc);
}

in.set_InnerTree(state0); // reset to previous state
}

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