portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2026-03-05 03:56:12 +00:00
Code Releases Activity

Fix names, protect against bad index values, clean docstrings

Browse Source
This commit is contained in:
Alexis Provatas
2025-04-11 17:15:36 +01:00
parent a2b98d82e1
commit c646d91527
1 changed files with 15 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
Grid/qcd/utils/WilsonLoops.h
View File

@@ -177,12 +177,18 @@ public:
}
//////////////////////////////////////////////////
// average Polyakov loop in any direction (spatial or temporal)
// average Polyakov loop in mu direction over all directions != mu
//////////////////////////////////////////////////
static ComplexD avgPolyakovLoop(const GaugeField &Umu, const int mu) { //assume Nd=4
// TODO: Protect against mu<0 || mu>=4
GaugeMat Ut(Umu.Grid()), P(Umu.Grid());
// Protect against bad value of mu [0, 3]
if ((mu < 0 ) || (mu > 3)) {
std::cout << GridLogError << "Index is not an integer inclusively between 0 and 3." << std::endl;
exit(1);
}
// U_loop is U_{mu}
GaugeMat U_loop(Umu.Grid()), P(Umu.Grid());
ComplexD out;
int T = Umu.Grid()->GlobalDimensions()[3];
int X = Umu.Grid()->GlobalDimensions()[0];
@@ -190,12 +196,12 @@ public:
int Z = Umu.Grid()->GlobalDimensions()[2];
// Number of sites in mu direction
int L = Umu.Grid()->GlobalDimensions()[mu];
int N_mu = Umu.Grid()->GlobalDimensions()[mu];
Ut = peekLorentz(Umu, mu); //Select direction
P = Ut;
for (int t=1;t<L;t++){
P = Gimpl::CovShiftForward(Ut,mu,P);
U_loop = peekLorentz(Umu, mu); //Select direction
P = U_loop;
for (int t=1;t<N_mu;t++){
P = Gimpl::CovShiftForward(U_loop,mu,P);
}
RealD norm = 1.0/(Nc*X*Y*Z*T);
out = sum(trace(P))*norm;
@@ -203,7 +209,7 @@ public:
}
/////////////////////////////////////////////////
// overload for temporal loop
// overload for temporal Polyakov loop
/////////////////////////////////////////////////
static ComplexD avgPolyakovLoop(const GaugeField &Umu) {
return avgPolyakovLoop(Umu, 3);