corrlib/corrlib/pars/openQCD/flags.py
Justus Kuhlmann 2660763232
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lint
2026-04-09 11:24:25 +02:00

59 lines
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Python

"""
Reconstruct the outputs of flags.
"""
import struct
from typing import Any, BinaryIO
# lat_parms.c
def lat_parms_write_lat_parms(fp: BinaryIO) -> dict[str, Any]:
"""
NOTE: This is a duplcation from qcd2.
Unpack the lattice parameters written by write_lat_parms.
"""
lat_pars = {}
t = fp.read(16)
lat_pars["N"] = list(struct.unpack('iiii', t)) # lattice extends
t = fp.read(8)
nk, isw = struct.unpack('ii', t) # number of kappas and isw parameter
lat_pars["nk"] = nk
lat_pars["isw"] = isw
t = fp.read(8)
lat_pars["beta"] = struct.unpack('d', t)[0] # beta
t = fp.read(8)
lat_pars["c0"] = struct.unpack('d', t)[0]
t = fp.read(8)
lat_pars["c1"] = struct.unpack('d', t)[0]
t = fp.read(8)
lat_pars["csw"] = struct.unpack('d', t)[0] # csw factor
kappas = []
m0s = []
# read kappas
for ik in range(nk):
t = fp.read(8)
kappas.append(struct.unpack('d', t)[0])
t = fp.read(8)
m0s.append(struct.unpack('d', t)[0])
lat_pars["kappas"] = kappas
lat_pars["m0s"] = m0s
return lat_pars
def lat_parms_write_bc_parms(fp: BinaryIO) -> dict[str, Any]:
"""
NOTE: This is a duplcation from qcd2.
Unpack the boundary parameters written by write_bc_parms.
"""
bc_pars: dict[str, Any] = {}
t = fp.read(4)
bc_pars["type"] = struct.unpack('i', t)[0] # type of hte boundaries
t = fp.read(104)
bc_parms = struct.unpack('d'*13, t)
bc_pars["cG"] = list(bc_parms[:2]) # boundary gauge field improvement
bc_pars["cF"] = list(bc_parms[2:4]) # boundary fermion field improvement
phi: list[list[float]] = [[], []]
phi[0] = list(bc_parms[4:7])
phi[1] = list(bc_parms[7:10])
bc_pars["phi"] = phi
bc_pars["theta"] = list(bc_parms[10:])
return bc_pars