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dft_tools/test/plovasp/proj_group/test_one_site.py
Oleg E. Peil 20be2e5826 Modified the way group tests compare output
Instead of comparing text output files the tests are now done
on h5-files. The latter are compared with a finite precision
eliminating thus a problem of platform-dependence of the
results.
2017-02-07 10:33:22 +01:00

93 lines
3.3 KiB
Python

import os
import rpath
_rpath = os.path.dirname(rpath.__file__) + '/'
import numpy as np
from pytriqs.applications.dft.converters.plovasp.vaspio import VaspData
from pytriqs.applications.dft.converters.plovasp.elstruct import ElectronicStructure
from pytriqs.applications.dft.converters.plovasp.inpconf import ConfigParameters
from pytriqs.applications.dft.converters.plovasp.proj_shell import ProjectorShell
from pytriqs.applications.dft.converters.plovasp.proj_group import ProjectorGroup
from pytriqs.archive import HDFArchive
import mytest
################################################################################
#
# TestProjectorGroup
#
################################################################################
class TestProjectorGroup(mytest.MyTestCase):
"""
Class:
ProjectorGroup(sh_pars, proj_raw)
Scenarios:
- **test** that orthogonalization is correct
- **test** that NORMION = True gives the same result
"""
def setUp(self):
conf_file = _rpath + 'example.cfg'
self.pars = ConfigParameters(conf_file)
self.pars.parse_input()
vasp_data = VaspData(_rpath + 'one_site/')
self.el_struct = ElectronicStructure(vasp_data)
efermi = self.el_struct.efermi
self.eigvals = self.el_struct.eigvals - efermi
struct = self.el_struct.structure
kmesh = self.el_struct.kmesh
self.proj_sh = ProjectorShell(self.pars.shells[0], vasp_data.plocar.plo, vasp_data.plocar.proj_params, kmesh, struct, 0)
self.proj_gr = ProjectorGroup(self.pars.groups[0], [self.proj_sh], self.eigvals)
# Scenario 1
def test_ortho(self):
self.proj_gr.orthogonalize()
dens_mat, overl = self.proj_sh.density_matrix(self.el_struct)
# testout = _rpath + 'projortho.out.test'
# with open(testout, 'wt') as f:
# f.write("density matrix: %s\n"%(dens_mat))
# f.write("overlap matrix: %s\n"%(overl))
testout = _rpath + 'projortho.test.h5'
with HDFArchive(testout, 'w') as h5test:
h5test['density_matrix'] = dens_mat
h5test['overlap_matrix'] = overl
# FIXME: seems redundant, as 'overl' is written to the file anyway
self.assertEqual(overl, np.eye(5))
# expected_file = _rpath + 'projortho.out'
expected_file = _rpath + 'projortho.out.h5'
# self.assertFileEqual(testout, expected_file)
self.assertH5FileEqual(testout, expected_file)
# Scenario 2
def test_ortho_normion(self):
self.proj_gr.normion = True
self.proj_gr.orthogonalize()
dens_mat, overl = self.proj_sh.density_matrix(self.el_struct)
# testout = _rpath + 'projortho.out.test'
# with open(testout, 'wt') as f:
# f.write("density matrix: %s\n"%(dens_mat))
# f.write("overlap matrix: %s\n"%(overl))
testout = _rpath + 'projortho.test.h5'
with HDFArchive(testout, 'w') as h5test:
h5test['density_matrix'] = dens_mat
h5test['overlap_matrix'] = overl
# FIXME: seems redundant, as 'overl' is written to the file anyway
self.assertEqual(overl, np.eye(5))
# expected_file = _rpath + 'projortho.out'
# self.assertFileEqual(testout, expected_file)
expected_file = _rpath + 'projortho.out.h5'
self.assertH5FileEqual(testout, expected_file)