TODO

1. Learn coulomb gauge fixing and landau gauge fixing in lattice QCD.
2. Ask the following questions in simulateqcd meeting:
   • Why the discrepency between the Plaquette and larger wilson loops between MILC and SIMULATeQCD?
   • Are the gauge files stored in single precision; the file size suggest so.
   • If yes, how the answers of wilson loops are calculated in double precision?