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added read_qtop_sector method outsourcing funtionality of former 'full' key
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jkuhl-uni
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01ada964b2
1 changed files with 66 additions and 41 deletions
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@ -8,6 +8,7 @@ import struct
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import numpy as np # Thinly-wrapped numpy
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from ..obs import Obs
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from ..fits import fit_lin
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from . import utils
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def read_rwms(path, prefix, version='2.0', names=None, **kwargs):
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@ -347,7 +348,7 @@ def _read_array_openQCD2(fp):
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return {'d': d, 'n': n, 'size': size, 'arr': arr}
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def read_qtop(path, prefix,c, dtr_cnfg = 1,**kwargs):
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def read_qtop(path, prefix,c, dtr_cnfg = 1, version = "1.2",**kwargs):
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"""Read qtop format from given folder structure.
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Parameters
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@ -356,14 +357,12 @@ def read_qtop(path, prefix,c, dtr_cnfg = 1,**kwargs):
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path of the measurement files
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prefix:
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prefix of the measurement files, e.g. <prefix>_id0_r0.ms.dat
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c:
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???
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dtr_cnfg:
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???
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target: int
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specifies the topological sector to be reweighted to (default 0)
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full: bool
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if true read the charge instead of the reweighting factor.
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c: double
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Smearing radius in units of the lattice extent, c = sqrt(8 t0) / L
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dtr_cnfg: int
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(optional) parameter that specifies the number of trajectories between two configs.
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if it is not set, the distance between two measurements in the file is assumed to be
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the distance between two configurations.
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version: str
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version string of the openQCD (sfqcd) version used to create the ensemble
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steps: int
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@ -373,7 +372,7 @@ def read_qtop(path, prefix,c, dtr_cnfg = 1,**kwargs):
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r_start: list
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offset of the first ensemble, making it easier to match later on with other Obs
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r_stop: list
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last ensemble that needs to be read
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last configurations that need to be read (per replicum)
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r_meas_start: list
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offset of the first measured ensemble, if there is any
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files: list
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@ -385,13 +384,10 @@ def read_qtop(path, prefix,c, dtr_cnfg = 1,**kwargs):
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#one could read L from the header in case of sfQCD
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#c = 0.35
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known_versions = ["1.0","1.2","1.4","1.6","2.0", "sfqcd"]
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version = "1.2"
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if "version" in kwargs:
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version = kwargs.get("version")
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if not version in known_versions:
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raise Exception("Unknown openQCD version.")
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if not version in known_versions:
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raise Exception("Unknown openQCD version.")
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target = 0
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full = False
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if "steps" in kwargs:
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steps = kwargs.get("steps")
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else:
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@ -406,8 +402,6 @@ def read_qtop(path, prefix,c, dtr_cnfg = 1,**kwargs):
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raise Exception("This version of openQCD needs you to provide the spatial length of the lattice as parameter 'L'.")
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else:
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L = kwargs.get("L")
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if kwargs.get('full'):
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full = True
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r_start = 1
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r_meas_start = 1
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if "r_meas_start" in kwargs:
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@ -445,8 +439,6 @@ def read_qtop(path, prefix,c, dtr_cnfg = 1,**kwargs):
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dn = header[0] # step size in integration steps "dnms"
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nn = header[1] # number of measurements, so "ntot"/dn
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tmax = header[2]# lattice T/a
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#hier fehlen die L/a Angaben im header von Simon
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#also muss man L nur für den fall von Fabian setzen
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if version == "sfqcd":
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t = fp.read(12)
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Ls = struct.unpack('<iii', t)
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@ -472,20 +464,18 @@ def read_qtop(path, prefix,c, dtr_cnfg = 1,**kwargs):
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if(len(t) < 4):
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break
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nc = struct.unpack('i',t)[0]
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#print(nc)
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if(nc != i):
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print(nc)
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raise Exception('Config ' + str(i) + ' missing?')
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else:
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t = fp.read(8 * tmax * (nn + 1))#wegwerfen, Wsl
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t = fp.read(8 * tmax * (nn + 1))#wegwerfen, Ysl
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t = fp.read(8 * tmax * (nn + 1))#NICHT wegwerfen, das ist Qsl, das, was wirr wollen
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t = fp.read(8 * tmax * (nn + 1))#Wsl
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t = fp.read(8 * tmax * (nn + 1))#Ysl
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t = fp.read(8 * tmax * (nn + 1))#Qsl, which is asked for in this method
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#unpack the array of Qtops, on each timeslice t=0,...,tmax-1 and the
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#measurement number in = 0...nn (see README.qcd1)
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tmpd = struct.unpack('d' * tmax * (nn + 1), t)
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Q.append(tmpd)
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i += 1*steps
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#print(tmp)
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#set step by reading all entries, then set stepsize, then check if everything is there
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#make a dtr_config param, which is checked against difference...
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#difference != step
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@ -512,16 +502,6 @@ def read_qtop(path, prefix,c, dtr_cnfg = 1,**kwargs):
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replica = len(files)
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tmp = []
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for q in Q_round:
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if full:
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tmp.append(q)
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else:
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if int(q) == target:
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tmp.append(1.0)
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else:
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tmp.append(0.0)
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truncated_file = file[:-7] #as seen in previous examples, this could lead to some weird behaviour... maybe -7 fixes this.
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print(truncated_file)
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try:
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@ -530,24 +510,69 @@ def read_qtop(path, prefix,c, dtr_cnfg = 1,**kwargs):
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if not "names" in kwargs:
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raise Exception("Automatic recognition of replicum failed, please enter the key word 'names'.")
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#print(truncated_file[idx:])
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# this might be a quite fishy way to find out which replicum we are actually talking about...
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if "r_start" in kwargs:
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tmp = tmp[r_start[int(truncated_file[idx+1:])-1]:]
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Q_round = Q_round[r_start[int(truncated_file[idx+1:])-1]:]
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if "r_stop" in kwargs:
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tmp = tmp[:r_stop[int(truncated_file[idx+1:])-1]]
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Q_round = Q_round[:r_stop[int(truncated_file[idx+1:])-1]]
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if "ens_name" in kwargs:
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ens_name = kwargs.get("ens_name")
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else:
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ens_name = truncated_file[:idx]
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#keyword "names" prevails over "ens_name"
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if not "names" in kwargs:
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rep_names.append(truncated_file[:idx] + '|' + truncated_file[idx:])
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rep_names.append(ens_name + '|' + truncated_file[idx:])
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else:
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names = kwargs.get("names")
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rep_names = names
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deltas.append(np.array(tmp))
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deltas.append(np.array(Q_round))
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result = Obs(deltas, rep_names)
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return result
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return result
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def read_qtop_sector(target = 0, **kwargs):
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"""target: int
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specifies the topological sector to be reweighted to (default 0)
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q_top: Obs
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alternatively takes args of read_qtop method as kwargs
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"""
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if "q_top" in kwargs:
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qtop = kwargs.get("q_top")
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else:
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if "path" in kwargs:
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path = kwargs.get("path")
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del kwargs["path"]
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else:
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raise Exception("If you are not providing q_top, please provide path")
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if "prefix" in kwargs:
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prefix = kwargs.get("prefix")
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del kwargs["prefix"]
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else:
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raise Exception("If you are not providing q_top, please provide prefix")
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if "c" in kwargs:
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c = kwargs.get("c")
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del kwargs["c"]
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else:
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raise Exception("If you are not providing q_top, please provide c")
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if "version" in kwargs:
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version = kwargs.get("version")
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del kwargs["version"]
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else:
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version = "1.2"
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if "dtr_cnfg" in kwargs:
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dtr_cnfg = kwargs.get("dtr_cnfg")
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del kwargs["dtr_cnfg"]
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else:
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dtr_cnfg = 1
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qtop = read_qtop(path, prefix,c, dtr_cnfg = dtr_cnfg, version = version,**kwargs)
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#unpack to original values, project onto target sector
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names = qtop.names
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print(names)
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print(qtop.deltas.keys())
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proj_qtop = []
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for n in qtop.deltas:
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proj_qtop.append(np.array([1 if int(qtop.value+q) == target else 0 for q in qtop.deltas[n]]))
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result = Obs(proj_qtop, qtop.names)
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return result
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