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https://github.com/triqs/dft_tools
synced 2024-08-28 23:12:02 +02:00
Added preliminary implementation of misc and symmetry input
At the moment, symmetries are not supported by the interface. Instead, some dummy parameters are generated and the symmetry is turned off. 'misc_input' is only partially implemented because it contains some data which is not required for the correct functioning of DftTools.
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@ -96,7 +96,9 @@ class VaspConverter(ConverterTools):
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"""
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energy_unit = 1.0 # VASP interface always uses eV
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k_dep_projection = 1
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symm_op = 1 # Use symmetry groups for the k-sum
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# Symmetries are switched off for the moment
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# TODO: implement symmetries
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symm_op = 0 # Use symmetry groups for the k-sum
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# Read and write only on the master node
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if not (mpi.is_master_node()): return
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@ -381,9 +383,10 @@ class VaspConverter(ConverterTools):
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del ar
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# Symmetries are used, so now convert symmetry information for *correlated* orbitals:
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self.convert_symmetry_input(orbits=self.corr_shells,symm_file=self.symmcorr_file,symm_subgrp=self.symmcorr_subgrp,SO=self.SO,SP=self.SP)
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self.convert_misc_input(bandwin_file=self.bandwin_file,struct_file=self.struct_file,outputs_file=self.outputs_file,
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misc_subgrp=self.misc_subgrp,SO=self.SO,SP=self.SP,n_k=self.n_k)
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self.convert_symmetry_input(ctrl_head, orbits=self.corr_shells, symm_subgrp=self.symmcorr_subgrp)
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# TODO: Implement misc_input
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# self.convert_misc_input(bandwin_file=self.bandwin_file,struct_file=self.struct_file,outputs_file=self.outputs_file,
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# misc_subgrp=self.misc_subgrp,SO=self.SO,SP=self.SP,n_k=self.n_k)
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def convert_parproj_input(self):
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@ -706,60 +709,64 @@ class VaspConverter(ConverterTools):
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for it in things_to_save: ar[self.transp_subgrp][it] = locals()[it]
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del ar
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def convert_symmetry_input(self, orbits, symm_file, symm_subgrp, SO, SP):
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def convert_symmetry_input(self, ctrl_head, orbits, symm_subgrp):
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"""
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Reads input for the symmetrisations from symm_file, which is case.sympar or case.symqmc.
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"""
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if not (mpi.is_master_node()): return
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mpi.report("Reading input from %s..."%symm_file)
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# In VASP interface the symmetries are read directly from *.ctrl file
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# For the moment the symmetry parameters are just stubs
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n_symm = 0
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n_atoms = 0
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perm = []
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n_orbits = len(orbits)
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SP = ctrl_head['ns']
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SO = ctrl_head['nc_flag']
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time_inv = []
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mat = []
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mat_tinv = []
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# if not (mpi.is_master_node()): return
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# mpi.report("Reading input from %s..."%symm_file)
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#
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# n_orbits = len(orbits)
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#
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# R = ConverterTools.read_fortran_file(self,symm_file,self.fortran_to_replace)
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#
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# try:
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# n_symm = int(R.next()) # Number of symmetry operations
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# n_atoms = int(R.next()) # number of atoms involved
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# perm = [ [int(R.next()) for i in range(n_atoms)] for j in range(n_symm) ] # list of permutations of the atoms
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# if SP:
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# time_inv = [ int(R.next()) for j in range(n_symm) ] # time inversion for SO coupling
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# else:
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# time_inv = [ 0 for j in range(n_symm) ]
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#
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# # Now read matrices:
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# mat = []
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# for i_symm in range(n_symm):
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#
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# mat.append( [ numpy.zeros([orbits[orb]['dim'], orbits[orb]['dim']],numpy.complex_) for orb in range(n_orbits) ] )
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# for orb in range(n_orbits):
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# for i in range(orbits[orb]['dim']):
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# for j in range(orbits[orb]['dim']):
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# mat[i_symm][orb][i,j] = R.next() # real part
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# for i in range(orbits[orb]['dim']):
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# for j in range(orbits[orb]['dim']):
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# mat[i_symm][orb][i,j] += 1j * R.next() # imaginary part
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#
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# mat_tinv = [numpy.identity(orbits[orb]['dim'],numpy.complex_)
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# for orb in range(n_orbits)]
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#
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# if ((SO==0) and (SP==0)):
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# # here we need an additional time inversion operation, so read it:
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# for orb in range(n_orbits):
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# for i in range(orbits[orb]['dim']):
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# for j in range(orbits[orb]['dim']):
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# mat_tinv[orb][i,j] = R.next() # real part
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# for i in range(orbits[orb]['dim']):
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# for j in range(orbits[orb]['dim']):
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# mat_tinv[orb][i,j] += 1j * R.next() # imaginary part
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R = ConverterTools.read_fortran_file(self,symm_file,self.fortran_to_replace)
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try:
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n_symm = int(R.next()) # Number of symmetry operations
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n_atoms = int(R.next()) # number of atoms involved
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perm = [ [int(R.next()) for i in range(n_atoms)] for j in range(n_symm) ] # list of permutations of the atoms
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if SP:
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time_inv = [ int(R.next()) for j in range(n_symm) ] # time inversion for SO coupling
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else:
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time_inv = [ 0 for j in range(n_symm) ]
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# Now read matrices:
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mat = []
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for i_symm in range(n_symm):
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mat.append( [ numpy.zeros([orbits[orb]['dim'], orbits[orb]['dim']],numpy.complex_) for orb in range(n_orbits) ] )
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for orb in range(n_orbits):
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for i in range(orbits[orb]['dim']):
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for j in range(orbits[orb]['dim']):
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mat[i_symm][orb][i,j] = R.next() # real part
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for i in range(orbits[orb]['dim']):
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for j in range(orbits[orb]['dim']):
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mat[i_symm][orb][i,j] += 1j * R.next() # imaginary part
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mat_tinv = [numpy.identity(orbits[orb]['dim'],numpy.complex_)
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for orb in range(n_orbits)]
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if ((SO==0) and (SP==0)):
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# here we need an additional time inversion operation, so read it:
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for orb in range(n_orbits):
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for i in range(orbits[orb]['dim']):
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for j in range(orbits[orb]['dim']):
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mat_tinv[orb][i,j] = R.next() # real part
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for i in range(orbits[orb]['dim']):
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for j in range(orbits[orb]['dim']):
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mat_tinv[orb][i,j] += 1j * R.next() # imaginary part
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except StopIteration : # a more explicit error if the file is corrupted.
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raise "Wien2k_converter : reading file symm_file failed!"
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R.close()
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# Reading done!
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# Save it to the HDF:
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ar=HDFArchive(self.hdf_file,'a')
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