mirror of https://gitlab.com/QEF/q-e.git
1136 lines
49 KiB
Fortran
1136 lines
49 KiB
Fortran
! Copyright (C) 2019 Quantum ESPRESSO foundation
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! This file is distributed under the terms of the
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! GNU General Public License. See the file `License'
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! in the root directory of the present distribution,
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! or http://www.gnu.org/copyleft/gpl.txt .
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!
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!----------------------------------------------------------------------------
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MODULE qexsd_init
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!----------------------------------------------------------------------------
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!
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! This module contains some common subroutines used to copy data used by
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! the Quantum ESPRESSO package into XML format
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!
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! Written by Paolo Giannozzi, building upon pre-existing code qexsd.f90
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!
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!
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USE kinds, ONLY : DP
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!
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USE qes_types_module
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USE qes_reset_module, ONLY: qes_reset
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USE qes_init_module, ONLY: qes_init
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! FIXME: none of the following modules should be used here
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USE constants, ONLY : e2
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USE mp_world, ONLY : nproc
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USE mp_images, ONLY : nimage,nproc_image
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USE mp_pools, ONLY : npool
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USE mp_bands, ONLY : ntask_groups, nproc_bgrp, nbgrp
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USE global_version, ONLY: version_number
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!
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IMPLICIT NONE
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!
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PRIVATE
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SAVE
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!
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! type of objects
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!
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TYPE (berryPhaseOutput_type), TARGET :: qexsd_bp_obj
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TYPE (k_points_IBZ_type) :: qexsd_start_k_obj
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TYPE (occupations_type) :: qexsd_occ_obj
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!
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PUBLIC :: qexsd_bp_obj, qexsd_start_k_obj, qexsd_occ_obj
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!
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! public subroutines. They all work in the same way:
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! call qexsd_init_*( xml object, list of QE variables)
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! copies QE variables into the xml object
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!
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PUBLIC :: qexsd_init_convergence_info, qexsd_init_algorithmic_info, &
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qexsd_init_atomic_species, qexsd_init_atomic_structure, &
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qexsd_init_symmetries, qexsd_init_basis_set, qexsd_init_dft, &
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qexsd_init_magnetization, qexsd_init_band_structure, &
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qexsd_init_total_energy, qexsd_init_forces, qexsd_init_stress, &
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qexsd_init_dipole_info, qexsd_init_outputElectricField, &
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qexsd_init_outputPBC, qexsd_init_gate_info, qexsd_init_hybrid, &
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qexsd_init_dftU, qexsd_init_vdw, qexsd_init_berryPhaseOutput
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!
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CONTAINS
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!
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!
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!------------------------------------------------------------------------
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SUBROUTINE qexsd_init_convergence_info(obj, n_scf_steps, scf_has_converged, scf_error, &
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optimization_has_converged, n_opt_steps, grad_norm )
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!------------------------------------------------------------------------
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IMPLICIT NONE
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!
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TYPE(convergence_info_type) :: obj
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INTEGER, INTENT(IN) :: n_scf_steps
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LOGICAL, INTENT(IN) :: scf_has_converged
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REAL(DP), INTENT(IN) :: scf_error
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LOGICAL, OPTIONAL, INTENT(IN) :: optimization_has_converged
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INTEGER, OPTIONAL, INTENT(in) :: n_opt_steps
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REAL(DP),OPTIONAL, INTENT(IN) :: grad_norm
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!
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CHARACTER(27) :: subname="qexsd_init_convergence_info"
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TYPE(scf_conv_type) :: scf_conv
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TYPE(opt_conv_type),POINTER :: opt_conv
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!
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NULLIFY(opt_conv)
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call qes_init (scf_conv, "scf_conv", scf_has_converged, n_scf_steps, scf_error)
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!
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IF ( PRESENT(optimization_has_converged )) THEN
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!
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IF ( .NOT. PRESENT(n_opt_steps) ) CALL errore(subname,"n_opt_steps not present",10)
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IF ( .NOT. PRESENT(grad_norm) ) CALL errore(subname,"grad_norm not present",10)
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ALLOCATE ( opt_conv)
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!
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call qes_init (opt_conv, "opt_conv", optimization_has_converged, n_opt_steps, grad_norm)
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ENDIF
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!
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call qes_init (obj, "convergence_info", scf_conv, opt_conv)
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!
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call qes_reset (scf_conv)
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IF (ASSOCIATED(opt_conv)) THEN
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CALL qes_reset (opt_conv)
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NULLIFY ( opt_conv)
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END IF
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!
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END SUBROUTINE qexsd_init_convergence_info
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!
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!
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!------------------------------------------------------------------------
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SUBROUTINE qexsd_init_algorithmic_info(obj, real_space_beta, real_space_q, uspp, paw )
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!------------------------------------------------------------------------
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IMPLICIT NONE
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!
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TYPE(algorithmic_info_type) :: obj
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LOGICAL, INTENT(IN) :: real_space_beta, real_space_q, uspp, paw
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!
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CALL qes_init (obj, "algorithmic_info", REAL_SPACE_Q = real_space_q, &
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REAL_SPACE_BETA = real_space_beta, USPP = uspp, PAW = paw)
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!
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END SUBROUTINE qexsd_init_algorithmic_info
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!
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!
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!------------------------------------------------------------------------
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SUBROUTINE qexsd_init_atomic_species(obj, nsp, atm, psfile, amass, starting_magnetization,&
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angle1,angle2)
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!------------------------------------------------------------------------
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IMPLICIT NONE
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!
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TYPE(atomic_species_type) :: obj
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INTEGER, INTENT(IN) :: nsp
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CHARACTER(len=*), INTENT(IN) :: atm(:)
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CHARACTER(len=*), INTENT(IN) :: psfile(:)
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REAL(DP), OPTIONAL,TARGET, INTENT(IN) :: amass(:)
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REAL(DP), OPTIONAL,TARGET, INTENT(IN) :: starting_magnetization(:)
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REAL(DP), OPTIONAL,TARGET, INTENT(IN) :: angle1(:),angle2(:)
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!
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TYPE(species_type), ALLOCATABLE :: species(:)
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REAL(DP),POINTER :: amass_
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REAL(DP),POINTER :: start_mag_
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REAL(DP),POINTER :: spin_teta
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REAL(DP),POINTER :: spin_phi
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INTEGER :: i
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ALLOCATE(species(nsp))
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NULLIFY ( amass_, start_mag_, spin_teta, spin_phi)
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!
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DO i = 1, nsp
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!
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IF ( PRESENT(amass) ) THEN
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IF (amass(i) .GT. 0._DP) amass_=>amass(i)
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END IF
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IF ( PRESENT(starting_magnetization) ) THEN
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IF (ANY( starting_magnetization(1:nsp) /= 0.0_DP)) start_mag_ => starting_magnetization(i)
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END IF
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IF ( PRESENT( angle1 ) ) THEN
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IF (ANY ( angle1(1:nsp) /= 0.0_DP)) spin_teta => angle1(i)
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END IF
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IF ( PRESENT( angle2 ) ) THEN
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IF (ANY(angle2(1:nsp) /= 0.0_DP)) spin_phi => angle2(i)
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END IF
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!
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CALL qes_init ( species(i), "species", NAME = TRIM(atm(i)), PSEUDO_FILE = TRIM(psfile(i)), MASS = amass_, &
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STARTING_MAGNETIZATION = start_mag_, SPIN_TETA = spin_teta, SPIN_PHI = spin_phi )
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ENDDO
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!
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CALL qes_init (obj, "atomic_species", nsp, species)
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!
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DO i = 1, nsp
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CALL qes_reset (species(i))
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ENDDO
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DEALLOCATE(species)
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!
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END SUBROUTINE qexsd_init_atomic_species
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!
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!
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!------------------------------------------------------------------------
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SUBROUTINE qexsd_init_atomic_structure(obj, nsp, atm, ityp, nat, tau, &
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alat, a1, a2, a3, ibrav)
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!------------------------------------------------------------------------
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IMPLICIT NONE
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!
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TYPE(atomic_structure_type) :: obj
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INTEGER, INTENT(IN) :: nsp, nat
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INTEGER, INTENT(in) :: ityp(:)
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CHARACTER(LEN=*), INTENT(in) :: atm(:)
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REAL(DP), INTENT(IN) :: tau(3,*)! cartesian atomic positions, a.u.
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REAL(DP), INTENT(IN) :: alat
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REAL(DP), INTENT(IN) :: a1(:), a2(:), a3(:)
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INTEGER, INTENT(IN) :: ibrav
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!
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INTEGER :: ia
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TYPE(atom_type), ALLOCATABLE :: atom(:)
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TYPE(cell_type) :: cell
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TYPE(atomic_positions_type) :: atomic_pos
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TYPE(wyckoff_positions_type) :: wyckoff_pos
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REAL(DP) :: new_alat
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INTEGER,TARGET :: ibrav_tgt
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INTEGER,POINTER :: ibrav_ptr
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CHARACTER(LEN=256),POINTER :: use_alt_axes_
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CHARACTER(LEN=256),TARGET :: use_alt_axes
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!
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! atomic positions
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!
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NULLIFY(use_alt_axes_, ibrav_ptr)
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IF ( ibrav .ne. 0 ) THEN
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ibrav_tgt = abs(ibrav)
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ibrav_ptr => ibrav_tgt
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use_alt_axes_ => use_alt_axes
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SELECT CASE(ibrav)
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CASE(-3)
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use_alt_axes="b:a-b+c:-c"
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CASE(-5)
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use_alt_axes="3fold-111"
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CASE(-9)
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use_alt_axes="-b:a:c"
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CASE (91)
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ibrav_tgt = 9
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use_alt_axes ="bcoA-type"
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CASE(-12,-13)
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use_alt_axes="unique-axis-b"
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CASE default
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NULLIFY (use_alt_axes_)
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END SELECT
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END IF
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!
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ALLOCATE(atom(nat))
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DO ia = 1, nat
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CALL qes_init ( atom(ia), "atom", name=trim(atm(ityp(ia))), atom=tau(1:3,ia), index = ia )
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ENDDO
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!
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CALL qes_init (atomic_pos, "atomic_positions", atom)
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!
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DO ia = 1, nat
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CALL qes_reset ( atom(ia) )
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ENDDO
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DEALLOCATE(atom)
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!
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! cell
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!
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CALL qes_init (cell, "cell", a1, a2, a3)
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!
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! global init
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!
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CALL qes_init (obj, "atomic_structure", NAT=nat, ALAT=alat, &
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ATOMIC_POSITIONS=atomic_pos, CELL=cell , &
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BRAVAIS_INDEX=ibrav_ptr, ALTERNATIVE_AXES = use_alt_axes_ )
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!
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! cleanup
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!
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CALL qes_reset (atomic_pos)
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CALL qes_reset (cell)
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!
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END SUBROUTINE qexsd_init_atomic_structure
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!
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!
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!------------------------------------------------------------------------
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SUBROUTINE qexsd_init_symmetries(obj, nsym, nrot, space_group, s, ft, sname, t_rev, nat, irt, &
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class_names, verbosity, noncolin)
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!------------------------------------------------------------------------
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IMPLICIT NONE
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!
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TYPE(symmetries_type) :: obj
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INTEGER, INTENT(IN) :: nsym, nrot, nat
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INTEGER, INTENT(IN) :: space_group
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INTEGER, INTENT(IN) :: s(:,:,:), irt(:,:)
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REAL(DP), INTENT(IN) :: ft(:,:)
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INTEGER, INTENT(IN) :: t_rev(:)
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CHARACTER(LEN=*), INTENT(IN) :: sname(:), verbosity
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CHARACTER(LEN=15),INTENT(IN) :: class_names(:)
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LOGICAL,INTENT(IN) :: noncolin
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!
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TYPE(symmetry_type), ALLOCATABLE :: symm(:)
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TYPE(equivalent_atoms_type) :: equiv_atm
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TYPE(info_type) :: info
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TYPE(matrix_type) :: matrix
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CHARACTER(LEN=15),POINTER :: classname
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CHARACTER(LEN=256) :: la_info
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LOGICAL :: class_ispresent = .FALSE., time_reversal_ispresent = .FALSE.
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INTEGER :: i
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REAL(DP) :: mat_(3,3)
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LOGICAL :: true_=.TRUE., false_ = .FALSE.
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LOGICAL,POINTER :: trev
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TARGET :: class_names, true_, false_
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ALLOCATE(symm(nrot))
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NULLIFY( classname, trev)
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!
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IF ( TRIM(verbosity) .EQ. 'high' .OR. TRIM(verbosity) .EQ. 'medium') class_ispresent= .TRUE.
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IF ( noncolin ) time_reversal_ispresent = .TRUE.
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DO i = 1, nrot
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!
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IF (class_ispresent ) classname => class_names(i)
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IF (time_reversal_ispresent) THEN
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SELECT CASE (t_rev(i))
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CASE (1)
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trev => true_
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CASE default
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trev => false_
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END SELECT
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END IF
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IF ( i .LE. nsym ) THEN
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la_info = "crystal_symmetry"
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ELSE
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la_info = "lattice_symmetry"
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END IF
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CALL qes_init (info, "info", name=sname(i), class=classname, time_reversal= trev, INFO= TRIM(la_info) )
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!
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mat_ = real(s(:,:,i),DP)
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CALL qes_init (matrix, "rotation", DIMS=[3,3], mat=mat_ )
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!
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IF ( i .LE. nsym ) THEN
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CALL qes_init (equiv_atm, "equivalent_atoms", nat=nat, equivalent_atoms = irt(i,1:nat) )
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!
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CALL qes_init (symm(i),"symmetry", info=info, rotation=matrix, fractional_translation=ft(:,i), &
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equivalent_atoms=equiv_atm)
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ELSE
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CALL qes_init ( symm(i), "symmetry", INFO = info, ROTATION = matrix )
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END IF
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!
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CALL qes_reset (info)
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CALL qes_reset (matrix)
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IF ( i .LT. nsym ) THEN
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CALL qes_reset ( equiv_atm )
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ELSE IF ( i .EQ. nrot ) THEN
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CALL qes_reset ( equiv_atm )
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END IF
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!
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ENDDO
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!
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CALL qes_init (obj,"symmetries",NSYM = nsym, NROT=nrot, SPACE_GROUP = space_group, SYMMETRY=symm )
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!
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DO i = 1, nsym
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CALL qes_reset (symm(i))
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ENDDO
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DEALLOCATE(symm)
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!
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END SUBROUTINE qexsd_init_symmetries
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!
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!
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!------------------------------------------------------------------------
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SUBROUTINE qexsd_init_basis_set(obj, gamma_only, ecutwfc, ecutrho, &
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nr1, nr2, nr3, nr1s, nr2s, nr3s, &
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fft_box_ispresent, nr1b, nr2b, nr3b, &
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ngm, ngms, npwx, b1, b2, b3 )
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!------------------------------------------------------------------------
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IMPLICIT NONE
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!
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TYPE(basis_set_type) :: obj
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LOGICAL, INTENT(IN) :: gamma_only
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INTEGER, INTENT(IN) :: nr1, nr2, nr3
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INTEGER, INTENT(IN) :: nr1s, nr2s, nr3s
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LOGICAL, INTENT(IN) :: fft_box_ispresent
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INTEGER, INTENT(IN) :: nr1b, nr2b, nr3b
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INTEGER, INTENT(IN) :: ngm, ngms, npwx
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REAL(DP), INTENT(IN) :: ecutwfc, ecutrho
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REAL(DP), INTENT(IN) :: b1(3), b2(3), b3(3)
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!
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TYPE(basisSetItem_type) :: fft_grid
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TYPE(basisSetItem_type) :: fft_smooth
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TYPE(basisSetItem_type) :: fft_box
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TYPE(reciprocal_lattice_type) :: recipr_latt
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CALL qes_init (fft_grid, "fft_grid", nr1, nr2, nr3, "")
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CALL qes_init (fft_smooth, "fft_smooth", nr1s, nr2s, nr3s, "")
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CALL qes_init (fft_box, "fft_box", nr1b, nr2b, nr3b, "" )
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CALL qes_init (recipr_latt, "reciprocal_lattice", b1, b2, b3)
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CALL qes_init (obj, "basis_set", GAMMA_ONLY=gamma_only, ECUTWFC=ecutwfc, ECUTRHO=ecutrho, FFT_GRID=fft_grid, &
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FFT_SMOOTH=fft_smooth, FFT_BOX=fft_box, NGM=ngm, NGMS=ngms, NPWX=npwx, &
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RECIPROCAL_LATTICE=recipr_latt )
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!
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CALL qes_reset(fft_grid)
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CALL qes_reset(fft_smooth)
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CALL qes_reset(fft_box)
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CALL qes_reset(recipr_latt)
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!
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END SUBROUTINE qexsd_init_basis_set
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!
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!
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SUBROUTINE qexsd_init_dft (obj, functional, hybrid_, vdW_, dftU_)
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IMPLICIT NONE
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TYPE (dft_type),INTENT(INOUT) :: obj
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CHARACTER(LEN=*),INTENT(IN) :: functional
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TYPE(hybrid_type),OPTIONAL,INTENT(IN) :: hybrid_
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TYPE(vdW_type),OPTIONAL,INTENT(IN) :: vdW_
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TYPE(dftU_type),OPTIONAL,INTENT(IN) :: dftU_
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!
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CALL qes_init(obj, 'dft', functional, hybrid_, dftU_, vdW_)
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END SUBROUTINE qexsd_init_dft
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!------------------------------------------------------------------------
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SUBROUTINE qexsd_init_hybrid ( obj, dft_is_hybrid, nq1, nq2, nq3, ecutfock, exx_fraction, screening_parameter,&
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exxdiv_treatment, x_gamma_extrapolation, ecutvcut, local_thr )
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IMPLICIT NONE
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TYPE (hybrid_type),INTENT(INOUT) :: obj
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LOGICAL,INTENT(IN) :: dft_is_hybrid
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INTEGER,OPTIONAL, INTENT(IN) :: nq1, nq2, nq3
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REAL(DP),OPTIONAL,INTENT(IN) :: ecutfock, exx_fraction, screening_parameter, ecutvcut,&
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local_thr
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CHARACTER(LEN=*), INTENT(IN) :: exxdiv_treatment
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LOGICAL,OPTIONAL,INTENT(IN) :: x_gamma_extrapolation
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!
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TYPE (qpoint_grid_type),TARGET :: qpoint_grid
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TYPE (qpoint_grid_type),POINTER :: qpoint_grid_opt
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!
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NULLIFY ( qpoint_grid_opt)
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IF (.NOT. dft_is_hybrid) RETURN
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IF (PRESENT(nq1) .AND. PRESENT(nq2) .AND. PRESENT(nq3) ) THEN
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qpoint_grid_opt => qpoint_grid
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CALL qes_init (qpoint_grid, "qpoint_grid", nq1, nq2, nq3, "")
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END IF
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!
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CALL qes_init ( obj, "hybrid", qpoint_grid_opt, ecutfock, exx_fraction, &
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screening_parameter, exxdiv_treatment, x_gamma_extrapolation, ecutvcut,&
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local_thr )
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!
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IF (ASSOCIATED (qpoint_grid_opt)) CALL qes_reset (qpoint_grid_opt)
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!
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END SUBROUTINE qexsd_init_hybrid
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!
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SUBROUTINE qexsd_init_dftU (obj, nsp, psd, species, ityp, is_hubbard, lda_plus_u_kind, U_projection_type, &
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U, J0, alpha, beta, J, noncolin, starting_ns, Hub_ns, Hub_ns_nc )
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IMPLICIT NONE
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TYPE(dftU_type),INTENT(INOUT) :: obj
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INTEGER,INTENT(IN) :: nsp
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CHARACTER(LEN=*),INTENT(IN) :: psd(nsp)
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CHARACTER(LEN=*),INTENT(IN) :: species(nsp)
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INTEGER,INTENT(IN) :: ityp(:)
|
|
LOGICAL,INTENT(IN) :: is_hubbard(nsp)
|
|
INTEGER,INTENT(IN) :: lda_plus_u_kind
|
|
CHARACTER(LEN=*),INTENT(IN) :: U_projection_type
|
|
LOGICAL,OPTIONAL,INTENT(IN) :: noncolin
|
|
REAL(DP),OPTIONAL,INTENT(IN) :: U(:), J0(:), alpha(:), beta(:), J(:,:)
|
|
REAL(DP),OPTIONAL,INTENT(IN) :: starting_ns(:,:,:), Hub_ns(:,:,:,:)
|
|
COMPLEX(DP),OPTIONAL,INTENT(IN) :: Hub_ns_nc(:,:,:,:)
|
|
!
|
|
CHARACTER(10), ALLOCATABLE :: label(:)
|
|
TYPE(HubbardCommon_type),ALLOCATABLE :: U_(:), J0_(:), alpha_(:), beta_(:)
|
|
TYPE(HubbardJ_type),ALLOCATABLE :: J_(:)
|
|
TYPE(starting_ns_type),ALLOCATABLE :: starting_ns_(:)
|
|
TYPE(Hubbard_ns_type),ALLOCATABLE :: Hubbard_ns_(:)
|
|
LOGICAL :: noncolin_ =.FALSE.
|
|
!
|
|
CALL set_labels ()
|
|
IF ( PRESENT(noncolin)) noncolin_ = noncolin
|
|
!
|
|
IF (PRESENT(U)) CALL init_hubbard_commons(U, U_, label, "Hubbard_U")
|
|
IF (PRESENT(J0)) CALL init_hubbard_commons(J0, J0_, label, "Hubbard_J0" )
|
|
IF (PRESENT(alpha)) CALL init_hubbard_commons(alpha, alpha_,label, "Hubbard_alpha")
|
|
IF (PRESENT(beta)) CALL init_hubbard_commons(beta, beta_, label, "Hubbard_beta")
|
|
IF (PRESENT(J)) CALL init_hubbard_J (J, J_, label, "Hubbard_J" )
|
|
IF (PRESENT(starting_ns)) CALL init_starting_ns(starting_ns_ , label)
|
|
IF (PRESENT(Hub_ns)) CALL init_Hubbard_ns(Hubbard_ns_ , label)
|
|
!
|
|
CALL qes_init (obj, "dftU", lda_plus_u_kind, U_, J0_, alpha_, beta_, J_, starting_ns_, Hubbard_ns_, &
|
|
U_projection_type)
|
|
!
|
|
CALL reset_hubbard_commons(U_)
|
|
CALL reset_hubbard_commons(beta_)
|
|
CALL reset_hubbard_commons(J0_)
|
|
CALL reset_hubbard_commons(alpha_)
|
|
CALL reset_hubbard_J(J_)
|
|
CALL reset_starting_ns(starting_ns_)
|
|
CALL reset_Hubbard_ns(Hubbard_ns_)
|
|
CONTAINS
|
|
SUBROUTINE set_labels()
|
|
IMPLICIT NONE
|
|
CHARACTER :: hubbard_shell(4)=['s','p','d','f']
|
|
INTEGER,EXTERNAL :: set_hubbard_l,set_hubbard_n
|
|
INTEGER :: i, hubb_l, hubb_n
|
|
!
|
|
ALLOCATE(label(nsp))
|
|
DO i = 1, nsp
|
|
IF (is_hubbard(i)) THEN
|
|
hubb_l=set_hubbard_l(psd(i))
|
|
hubb_n=set_hubbard_n(psd(i))
|
|
WRITE (label(i),'(I0,A)') hubb_n,hubbard_shell(hubb_l+1)
|
|
ELSE
|
|
label(i)="no Hubbard"
|
|
END IF
|
|
END DO
|
|
END SUBROUTINE set_labels
|
|
|
|
SUBROUTINE init_hubbard_commons(dati, objs, labs, tag)
|
|
IMPLICIT NONE
|
|
REAL(DP) :: dati(:)
|
|
TYPE(HubbardCommon_type),ALLOCATABLE :: objs(:)
|
|
CHARACTER(LEN=*) :: labs(:), tag
|
|
INTEGER :: i
|
|
!
|
|
|
|
ALLOCATE (objs(nsp))
|
|
DO i = 1, nsp
|
|
CALL qes_init( objs(i), TRIM(tag), TRIM(species(i)), dati(i), TRIM(labs(i)))
|
|
IF (TRIM(labs(i)) =='no Hubbard') objs(i)%lwrite = .FALSE.
|
|
END DO
|
|
END SUBROUTINE init_hubbard_commons
|
|
!
|
|
SUBROUTINE init_hubbard_J(dati, objs, labs, tag)
|
|
IMPLICIT NONE
|
|
REAL(DP) :: dati(:,:)
|
|
TYPE(HubbardJ_type),ALLOCATABLE :: objs(:)
|
|
CHARACTER(LEN=*) :: labs(:), tag
|
|
INTEGER :: i
|
|
!
|
|
IF ( SIZE(dati,2) .LE. 0 ) RETURN
|
|
ALLOCATE (objs(nsp))
|
|
DO i = 1, nsp
|
|
CALL qes_init( objs(i), TRIM(tag), TRIM(species(i)), HubbardJ = dati(1:3,i), LABEL = TRIM(labs(i)))
|
|
IF (TRIM(labs(i)) =='no Hubbard') objs(i)%lwrite = .FALSE.
|
|
END DO
|
|
END SUBROUTINE init_hubbard_J
|
|
!
|
|
SUBROUTINE reset_hubbard_commons(objs)
|
|
IMPLICIT NONE
|
|
TYPE(HubbardCommon_type),ALLOCATABLE :: objs(:)
|
|
INTEGER :: i
|
|
IF (.NOT. ALLOCATED(objs)) RETURN
|
|
DO i =1, SIZE(objs)
|
|
CALL qes_reset(objs(i))
|
|
END DO
|
|
DEALLOCATE(objs)
|
|
END SUBROUTINE reset_hubbard_commons
|
|
!
|
|
SUBROUTINE reset_hubbard_J(objs)
|
|
IMPLICIT NONE
|
|
TYPE(HubbardJ_type),ALLOCATABLE :: objs(:)
|
|
INTEGER :: i
|
|
IF (.NOT. ALLOCATED(objs)) RETURN
|
|
DO i =1, SIZE(objs)
|
|
CALL qes_reset(objs(i))
|
|
END DO
|
|
DEALLOCATE(objs)
|
|
END SUBROUTINE reset_hubbard_J
|
|
!
|
|
SUBROUTINE init_starting_ns(objs, labs )
|
|
IMPLICIT NONE
|
|
TYPE(starting_ns_type), ALLOCATABLE :: objs(:)
|
|
CHARACTER(len=*) :: labs(nsp)
|
|
INTEGER :: i, is, ind, llmax, nspin
|
|
!
|
|
IF ( .NOT. PRESENT(starting_ns)) RETURN
|
|
|
|
IF (noncolin_) THEN
|
|
llmax = SIZE(starting_ns,1)
|
|
nspin = 1
|
|
ALLOCATE(objs(nsp))
|
|
DO i = 1, nsp
|
|
IF (.NOT. ANY(starting_ns(1:2*llmax,1,i)>0.d0)) CYCLE
|
|
ind = ind + 1
|
|
CALL qes_init(objs(ind),"starting_ns", TRIM(species(i)), TRIM(labs(i)), 1, &
|
|
MAX(starting_ns(1:2*llmax,1,i),0._DP))
|
|
END DO
|
|
RETURN
|
|
ELSE
|
|
llmax = SIZE (starting_ns, 1)
|
|
nspin = SIZE(starting_ns, 2)
|
|
ALLOCATE(objs(nspin*nsp))
|
|
ind = 0
|
|
DO is = 1, nspin
|
|
DO i = 1, nsp
|
|
IF (.NOT. ANY (starting_ns(1:llmax,is,i) > 0.d0)) CYCLE
|
|
ind = ind + 1
|
|
CALL qes_init(objs(ind), "starting_ns", TRIM(species(i)), TRIM (labs(i)), &
|
|
is,MAX(starting_ns(1:llmax,is,i),0._DP))
|
|
END DO
|
|
END DO
|
|
RETURN
|
|
END IF
|
|
END SUBROUTINE init_starting_ns
|
|
!
|
|
SUBROUTINE init_Hubbard_ns(objs, labs )
|
|
IMPLICIT NONE
|
|
TYPE (Hubbard_ns_type),ALLOCATABLE :: objs(:)
|
|
CHARACTER(LEN=*) :: labs(nsp)
|
|
!
|
|
REAL(DP), ALLOCATABLE :: Hubb_occ_aux(:,:)
|
|
INTEGER :: i, is,ind, ldim, m1, m2, llmax, nat, nspin
|
|
!
|
|
!
|
|
IF (PRESENT(Hub_ns_nc )) THEN
|
|
llmax = SIZE ( Hub_ns_nc, 1)
|
|
nat = size(Hub_ns_nc,4)
|
|
ALLOCATE (objs(nat))
|
|
ldim = SIZE(Hub_ns_nc,1)
|
|
ALLOCATE (Hubb_occ_aux(2*ldim, 2*ldim))
|
|
DO i =1, nat
|
|
Hubb_occ_aux = 0._DP
|
|
DO m2 = 1, ldim
|
|
DO m1 =1, ldim
|
|
Hubb_occ_aux(m1,m2)=SQRT(DCONJG(Hub_ns_nc(m1,m2,1,i))*Hub_ns_nc(m1,m2,1,i))
|
|
Hubb_occ_aux(m1,ldim+m2)=SQRT(DCONJG(Hub_ns_nc(m1,m2,2,i))*Hub_ns_nc(m1,m2,2,i))
|
|
Hubb_occ_aux(ldim+m1,m2)=SQRT(DCONJG(Hub_ns_nc(m1,m2,3,i))*Hub_ns_nc(m1,m2,3,i))
|
|
Hubb_occ_aux(ldim+m1,ldim+m2)=SQRT(DCONJG(Hub_ns_nc(m1,m2,4,i))*Hub_ns_nc(m1,m2,4,i))
|
|
END DO
|
|
END DO
|
|
CALL qes_init (objs(i), TAGNAME = "Hubbard_ns_mod", SPECIE = TRIM(species(ityp(i))), &
|
|
LABEL = TRIM(labs(ityp(i))), SPIN =1, INDEX = i,ORDER ='F',Hubbard_NS = Hubb_occ_aux)
|
|
IF (TRIM(labs(ityp(i))) == 'no Hubbard') objs(i)%lwrite = .FALSE.
|
|
END DO
|
|
RETURN
|
|
ELSE IF (PRESENT (Hub_ns)) THEN
|
|
llmax = SIZE ( Hub_ns,1)
|
|
nat = size(Hub_ns,4)
|
|
nspin = size(Hub_ns,3)
|
|
ALLOCATE( objs(nspin*nat) )
|
|
ind = 0
|
|
DO i = 1, nat
|
|
DO is = 1, nspin
|
|
ind = ind+1
|
|
CALL qes_init(objs(ind),"Hubbard_ns", SPECIE = TRIM(species(ityp(i))), SPIN = is, &
|
|
ORDER = 'F', INDEX = ind, LABEL = TRIM(labs(ityp(i))), Hubbard_NS = Hub_ns(:,:,is,i))
|
|
IF (TRIM(labs(ityp(i))) =='no Hubbard' ) objs(ind)%lwrite=.FALSE.
|
|
END DO
|
|
END DO
|
|
END IF
|
|
RETURN
|
|
!
|
|
END SUBROUTINE init_Hubbard_ns
|
|
|
|
SUBROUTINE reset_Hubbard_ns(objs)
|
|
IMPLICIT NONE
|
|
!
|
|
TYPE(hubbard_ns_type),OPTIONAL :: objs(:)
|
|
INTEGER :: i_
|
|
|
|
IF ( .NOT. PRESENT (objs)) RETURN
|
|
DO i_ = 1, SIZE(objs)
|
|
CALL qes_reset(objs(i_))
|
|
END DO
|
|
END SUBROUTINE reset_Hubbard_ns
|
|
|
|
SUBROUTINE reset_starting_ns(obj)
|
|
IMPLICIT NONE
|
|
TYPE (starting_ns_type), OPTIONAL :: obj(:)
|
|
INTEGER :: i
|
|
IF ( .NOT. PRESENT(obj) ) RETURN
|
|
DO i = 1, SIZE(obj)
|
|
CALL qes_reset(obj(i))
|
|
END DO
|
|
END SUBROUTINE reset_starting_ns
|
|
!
|
|
|
|
END SUBROUTINE qexsd_init_dftU
|
|
!
|
|
!
|
|
SUBROUTINE qexsd_init_vdw(obj, non_local_term, vdw_corr, vdw_term, ts_thr, ts_isol,&
|
|
london_s6, london_c6, london_rcut, species, xdm_a1, xdm_a2,&
|
|
dftd3_version, dftd3_threebody )
|
|
IMPLICIT NONE
|
|
TYPE(vdW_type) :: obj
|
|
CHARACTER(LEN=*),OPTIONAL,INTENT(IN) :: non_local_term, vdw_corr
|
|
REAL(DP),OPTIONAL,INTENT(IN) :: vdw_term, london_c6(:), london_rcut, xdm_a1, xdm_a2, ts_thr,&
|
|
london_s6
|
|
INTEGER,OPTIONAL,INTENT(IN) :: dftd3_version
|
|
CHARACTER(LEN=*),OPTIONAL :: species(:)
|
|
LOGICAL,OPTIONAL,INTENT(IN) :: ts_isol, dftd3_threebody
|
|
!
|
|
LOGICAL :: empirical_vdw = .FALSE. , dft_is_vdw = .FALSE.
|
|
TYPE(HubbardCommon_type),ALLOCATABLE :: london_c6_obj(:)
|
|
INTEGER :: isp
|
|
!
|
|
empirical_vdw = PRESENT(vdw_corr)
|
|
dft_is_vdw = PRESENT(non_local_term)
|
|
IF ( .NOT. (dft_is_vdW .OR. empirical_vdw)) RETURN
|
|
IF ( PRESENT (london_c6)) CALL init_londonc6(london_c6, london_c6_obj)
|
|
CALL qes_init (obj, "vdW", VDW_CORR = vdw_corr, NON_LOCAL_TERM = non_local_term,&
|
|
TOTAL_ENERGY_TERM = vdw_term, LONDON_S6 = london_s6,&
|
|
TS_VDW_ECONV_THR = ts_thr, TS_VDW_ISOLATED = ts_isol, LONDON_RCUT = london_rcut, &
|
|
XDM_A1 = xdm_a1, XDM_A2 = xdm_a2, LONDON_C6 = london_c6_obj, &
|
|
DFTD3_VERSION = dftd3_version, DFTD3_THREEBODY = dftd3_threebody)
|
|
!
|
|
IF (ALLOCATED(london_c6_obj)) THEN
|
|
DO isp=1, SIZE(london_c6_obj,1)
|
|
CALL qes_reset(london_c6_obj(isp))
|
|
END DO
|
|
END IF
|
|
CONTAINS
|
|
!
|
|
SUBROUTINE init_londonc6(c6data, c6objs )
|
|
USE constants, ONLY: eps16
|
|
IMPLICIT NONE
|
|
REAL(DP),INTENT(IN) :: c6data(:)
|
|
TYPE(HubbardCommon_type),ALLOCATABLE,INTENT(INOUT) :: c6objs(:)
|
|
!
|
|
INTEGER :: ndim_london_c6, isp, ind, nsp
|
|
!
|
|
IF (.NOT. PRESENT ( species)) RETURN
|
|
nsp = SIZE(c6data)
|
|
ndim_london_c6 = COUNT ( c6data .GT. -eps16)
|
|
IF ( ndim_london_c6 .GT. 0 ) THEN
|
|
ALLOCATE (c6objs(ndim_london_c6))
|
|
DO isp = 1, nsp
|
|
IF ( c6data(isp) .GT. -eps16 ) THEN
|
|
ind = ind + 1
|
|
CALL qes_init(c6objs(ind ), "london_c6", SPECIE = TRIM(species(isp)), HUBBARDCOMMON = c6data(isp))
|
|
END IF
|
|
END DO
|
|
END IF
|
|
END SUBROUTINE init_londonc6
|
|
!
|
|
END SUBROUTINE qexsd_init_vdw
|
|
!--------------------------------------------------------------------------------------------
|
|
SUBROUTINE qexsd_init_outputPBC(obj,assume_isolated)
|
|
!--------------------------------------------------------------------------------------------
|
|
!
|
|
IMPLICIT NONE
|
|
!
|
|
TYPE (outputPBC_type) :: obj
|
|
CHARACTER(LEN=*),INTENT(IN) :: assume_isolated
|
|
CHARACTER(LEN=*),PARAMETER :: TAGNAME="boundary_conditions"
|
|
!
|
|
CALL qes_init (obj,TAGNAME,ASSUME_ISOLATED =assume_isolated)
|
|
END SUBROUTINE qexsd_init_outputPBC
|
|
!
|
|
!
|
|
!---------------------------------------------------------------------------------------
|
|
SUBROUTINE qexsd_init_magnetization(obj, lsda, noncolin, spinorbit, total_mag, total_mag_nc, &
|
|
absolute_mag, do_magnetization)
|
|
!------------------------------------------------------------------------------------
|
|
IMPLICIT NONE
|
|
!
|
|
TYPE(magnetization_type) :: obj
|
|
LOGICAL, INTENT(IN) :: lsda, noncolin, spinorbit
|
|
REAL(DP), INTENT(IN) :: total_mag, absolute_mag
|
|
REAL(DP), INTENT(IN) :: total_mag_nc(3)
|
|
LOGICAL, INTENT(IN) :: do_magnetization
|
|
!
|
|
CALL qes_init(obj, "magnetization", lsda, noncolin, spinorbit, total_mag, absolute_mag, &
|
|
do_magnetization)
|
|
!
|
|
END SUBROUTINE qexsd_init_magnetization
|
|
!
|
|
!
|
|
!---------------------------------------------------------------------------------------
|
|
SUBROUTINE qexsd_init_band_structure(obj, lsda, noncolin, lspinorb, nelec, n_wfc_at, et, wg, nks, xk, ngk, wk, &
|
|
starting_kpoints, occupations_kind, wf_collected, &
|
|
smearing, nbnd, nbnd_up, nbnd_dw, fermi_energy, ef_updw, homo, lumo)
|
|
!----------------------------------------------------------------------------------------
|
|
IMPLICIT NONE
|
|
!
|
|
TYPE(band_structure_type) :: obj
|
|
CHARACTER(LEN=*), PARAMETER :: TAGNAME="band_structure"
|
|
LOGICAL,INTENT(IN) :: lsda, noncolin, lspinorb
|
|
INTEGER,INTENT(IN) :: nks, n_wfc_at
|
|
INTEGER,OPTIONAL,INTENT(IN) :: nbnd, nbnd_up, nbnd_dw
|
|
REAL(DP),INTENT(IN) :: nelec
|
|
REAL(DP),OPTIONAL,INTENT(IN) :: fermi_energy, ef_updw(2), homo, lumo
|
|
REAL(DP),DIMENSION(:,:),INTENT(IN) :: et, wg, xk
|
|
REAL(DP),DIMENSION(:),INTENT(IN) :: wk
|
|
INTEGER,DIMENSION(:),INTENT(IN) :: ngk
|
|
TYPE(k_points_IBZ_type),INTENT(IN) :: starting_kpoints
|
|
TYPE(occupations_type), INTENT(IN) :: occupations_kind
|
|
TYPE(smearing_type),OPTIONAL,INTENT(IN) :: smearing
|
|
LOGICAL,INTENT(IN) :: wf_collected
|
|
!
|
|
LOGICAL :: n_wfc_at_ispresent = .TRUE.
|
|
INTEGER :: ndim_ks_energies, ik
|
|
INTEGER,TARGET :: nbnd_, nbnd_up_, nbnd_dw_
|
|
INTEGER,POINTER :: nbnd_opt, nbnd_up_opt, nbnd_dw_opt
|
|
TYPE(k_point_type) :: kp_obj
|
|
TYPE(ks_energies_type),ALLOCATABLE :: ks_objs(:)
|
|
TYPE (k_points_IBZ_type) :: starting_k_points_
|
|
REAL(DP),DIMENSION(:),ALLOCATABLE :: eigenvalues, occupations
|
|
TYPE (smearing_type) :: smearing_
|
|
!
|
|
!
|
|
ndim_ks_energies=nks
|
|
!
|
|
NULLIFY( nbnd_opt, nbnd_up_opt, nbnd_dw_opt)
|
|
IF ( lsda ) THEN
|
|
ndim_ks_energies=ndim_ks_energies/2
|
|
nbnd_up_opt => nbnd_up_
|
|
nbnd_dw_opt => nbnd_dw_
|
|
IF ( PRESENT(nbnd_up) .AND. PRESENT(nbnd_dw) ) THEN
|
|
nbnd_ = nbnd_up+nbnd_dw
|
|
nbnd_up_ = nbnd_up
|
|
nbnd_dw_ = nbnd_dw
|
|
ELSE IF ( PRESENT (nbnd) ) THEN
|
|
nbnd_ = 2*nbnd
|
|
nbnd_up_ = nbnd
|
|
nbnd_dw_ = nbnd
|
|
ELSE
|
|
CALL errore ( "qexsd:qexsd_init_band_structure: ", &
|
|
"in case of lsda nbnd_up+nbnd_dw or nbnd must be givens as arguments", 10)
|
|
END IF
|
|
ELSE
|
|
IF (.NOT. PRESENT(nbnd) ) &
|
|
CALL errore ("qexsd:qexsd_init_band_structure:", "lsda is false but needed nbnd argument is missing", 10)
|
|
nbnd_=nbnd
|
|
nbnd_opt => nbnd_
|
|
END IF
|
|
!
|
|
!
|
|
ALLOCATE(eigenvalues(nbnd_),occupations(nbnd_))
|
|
ALLOCATE(ks_objs(ndim_ks_energies))
|
|
!
|
|
ks_objs%tagname="ks_energies"
|
|
DO ik=1,ndim_ks_energies
|
|
CALL qes_init(kp_obj,"k_point",WEIGHT = wk(ik), K_POINT = xk(:,ik))
|
|
IF ( lsda ) THEN
|
|
eigenvalues(1:nbnd_up_)=et(1:nbnd_up_,ik)/e2
|
|
eigenvalues(nbnd_up_+1:nbnd_)=et(1:nbnd_dw_,ndim_ks_energies+ik)/e2
|
|
ELSE
|
|
eigenvalues(1:nbnd_)= et(1:nbnd_,ik)/e2
|
|
END IF
|
|
!
|
|
!
|
|
IF (lsda) THEN
|
|
IF ( ABS(wk(ik)).GT.1.d-10) THEN
|
|
occupations(1:nbnd_up_)=wg(1:nbnd_up_,ik)/wk(ik)
|
|
occupations(nbnd_up_+1:nbnd_)=wg(1:nbnd_dw_,ndim_ks_energies+ik)/wk(ndim_ks_energies+ik)
|
|
ELSE
|
|
occupations(1:nbnd_up_)=wg(1:nbnd_up_,ik)
|
|
occupations(nbnd_up_+1:nbnd_)=wg(1:nbnd_dw_,ik)
|
|
END IF
|
|
ELSE
|
|
IF (ABS(wk(ik)).GT.1.d-10) THEN
|
|
occupations(1:nbnd_)=wg(1:nbnd_,ik)/wk(ik)
|
|
ELSE
|
|
occupations(1:nbnd_)=wg(1:nbnd_,ik)
|
|
END IF
|
|
END IF
|
|
!
|
|
!
|
|
ks_objs(ik)%k_point = kp_obj
|
|
ks_objs(ik)%npw = ngk(ik)
|
|
CALL qes_init(ks_objs(ik)%eigenvalues, "eigenvalues",eigenvalues)
|
|
CALL qes_init(ks_objs(ik)%occupations, "occupations",occupations)
|
|
!
|
|
eigenvalues=0.d0
|
|
occupations=0.d0
|
|
CALL qes_reset(kp_obj)
|
|
END DO
|
|
ks_objs%lwrite = .TRUE.
|
|
ks_objs%lread = .TRUE.
|
|
!
|
|
IF ( PRESENT(smearing) ) smearing_ = smearing
|
|
!
|
|
starting_k_points_ = starting_kpoints
|
|
starting_k_points_%tagname = "starting_k_points"
|
|
!
|
|
!
|
|
CALL qes_init (obj, TAGNAME, LSDA = lsda, NONCOLIN = noncolin, SPINORBIT = lspinorb, NBND = nbnd_opt, &
|
|
NELEC = nelec, WF_COLLECTED = wf_collected, STARTING_K_POINTS = starting_k_points_, &
|
|
NKS = ndim_ks_energies, OCCUPATIONS_KIND = occupations_kind, KS_ENERGIES = ks_objs, &
|
|
NBND_UP = nbnd_up_opt, NBND_DW = nbnd_dw_opt, NUM_OF_ATOMIC_WFC = n_wfc_at, &
|
|
FERMI_ENERGY = fermi_energy, HIGHESTOCCUPIEDLEVEL = homo, TWO_FERMI_ENERGIES = ef_updw, &
|
|
SMEARING = smearing, LOWESTUNOCCUPIEDLEVEL = lumo)
|
|
DO ik=1,ndim_ks_energies
|
|
CALL qes_reset(ks_objs(ik))
|
|
END DO
|
|
CALL qes_reset( starting_k_points_ )
|
|
DEALLOCATE (ks_objs,eigenvalues, occupations)
|
|
END SUBROUTINE qexsd_init_band_structure
|
|
!
|
|
!
|
|
!---------------------------------------------------------------------------------------
|
|
SUBROUTINE qexsd_init_total_energy(obj, etot, eband, ehart, vtxc, etxc, ewald, degauss, demet, &
|
|
electric_field_corr, potentiostat_contr, gate_contribution, dispersion_contribution )
|
|
!----------------------------------------------------------------------------------------
|
|
!
|
|
!
|
|
IMPLICIT NONE
|
|
!
|
|
TYPE (total_energy_type) :: obj
|
|
REAL(DP),INTENT(IN) :: etot, ehart,vtxc,etxc
|
|
REAL(DP),OPTIONAL,INTENT(IN) :: ewald,demet, eband, degauss
|
|
REAL(DP),OPTIONAL :: electric_field_corr
|
|
REAL(DP),OPTIONAL :: potentiostat_contr
|
|
REAL(DP),OPTIONAL :: gate_contribution
|
|
REAL(DP),OPTIONAL :: dispersion_contribution
|
|
!
|
|
CHARACTER(LEN=*),PARAMETER :: TAGNAME="total_energy"
|
|
!
|
|
CALL qes_init (obj, TAGNAME, ETOT = etot, EBAND = eband, EHART = ehart, VTXC = vtxc, ETXC = etxc, &
|
|
EWALD = ewald, DEMET = demet, EFIELDCORR = electric_field_corr, POTENTIOSTAT_CONTR = potentiostat_contr, &
|
|
GATEFIELD_CONTR = gate_contribution, vdW_term = dispersion_contribution )
|
|
|
|
END SUBROUTINE qexsd_init_total_energy
|
|
!
|
|
!
|
|
!--------------------------------------------------------------------------------------------------------
|
|
SUBROUTINE qexsd_init_forces(obj,nat,forces,tprnfor)
|
|
!--------------------------------------------------------------------------------------------------------
|
|
!
|
|
IMPLICIT NONE
|
|
!
|
|
TYPE(matrix_type) :: obj
|
|
INTEGER,INTENT(IN) :: nat
|
|
REAL(DP),DIMENSION(:,:),INTENT(IN) :: forces
|
|
LOGICAL,INTENT(IN) :: tprnfor
|
|
!
|
|
CHARACTER(LEN=*),PARAMETER :: TAGNAME="forces"
|
|
REAL(DP),DIMENSION(:,:),ALLOCATABLE :: forces_aux
|
|
!
|
|
IF (.NOT. tprnfor) THEN
|
|
obj%lwrite=.FALSE.
|
|
obj%lread =.FALSE.
|
|
RETURN
|
|
END IF
|
|
!
|
|
ALLOCATE (forces_aux(3,nat))
|
|
forces_aux(1:3,1:nat)=forces(1:3,1:nat)/e2
|
|
!
|
|
CALL qes_init(obj,TAGNAME,[3,nat],forces_aux )
|
|
!
|
|
DEALLOCATE (forces_aux)
|
|
!
|
|
END SUBROUTINE qexsd_init_forces
|
|
!
|
|
!
|
|
!---------------------------------------------------------------------------------------------
|
|
SUBROUTINE qexsd_init_stress(obj,stress,tstress)
|
|
!---------------------------------------------------------------------------------------------
|
|
!
|
|
IMPLICIT NONE
|
|
TYPE( matrix_type) :: obj
|
|
REAL(DP),DIMENSION(3,3),INTENT(IN) :: stress
|
|
LOGICAL,INTENT(IN) :: tstress
|
|
!
|
|
CHARACTER(LEN=*),PARAMETER :: TAGNAME="stress"
|
|
REAL(DP),DIMENSION(3,3) :: stress_aux
|
|
|
|
IF ( .NOT. tstress ) THEN
|
|
obj%lwrite = .FALSE.
|
|
obj%lread = .FALSE.
|
|
stress_aux = 0.d0
|
|
RETURN
|
|
END IF
|
|
!
|
|
stress_aux=stress/e2
|
|
CALL qes_init(obj,TAGNAME,[3,3],stress_aux )
|
|
!
|
|
END SUBROUTINE qexsd_init_stress
|
|
!
|
|
!
|
|
!------------------------------------------------------------------------------------------------
|
|
SUBROUTINE qexsd_init_dipole_info (dipole_info, el_dipole, ion_dipole, edir, eamp, emaxpos, eopreg)
|
|
!------------------------------------------------------------------------------------------------
|
|
!
|
|
USE kinds, ONLY : DP
|
|
USE constants, ONLY : e2, fpi
|
|
USE qes_types_module,ONLY : dipoleOutput_type, scalarQuantity_type
|
|
USE qes_libs_module, ONLY : qes_init
|
|
USE cell_base, ONLY : alat, at, omega
|
|
!
|
|
IMPLICIT NONE
|
|
!
|
|
TYPE ( dipoleOutput_type ), INTENT(OUT) :: dipole_info
|
|
REAL(DP),INTENT(IN) :: el_dipole, ion_dipole, eamp, emaxpos, eopreg
|
|
INTEGER , INTENT(IN) :: edir
|
|
!
|
|
REAL(DP) :: tot_dipole, length, vamp, fac
|
|
TYPE ( scalarQuantity_type) :: temp_qobj
|
|
!
|
|
tot_dipole = -el_dipole+ion_dipole
|
|
!
|
|
dipole_info%idir = edir
|
|
fac=omega/fpi
|
|
dipole_info%tagname = "dipoleInfo"
|
|
dipole_info%lwrite = .TRUE.
|
|
dipole_info%lread = .TRUE.
|
|
CALL qes_init (dipole_info%ion_dipole, "ion_dipole" , units="Atomic Units", &
|
|
scalarQuantity= ion_dipole*fac)
|
|
CALL qes_init (dipole_info%elec_dipole,"elec_dipole" , units="Atomic Units",&
|
|
scalarQuantity= el_dipole*fac)
|
|
CALL qes_init (dipole_info%dipole,"dipole" , units="Atomic Units", &
|
|
scalarQuantity= tot_dipole*fac)
|
|
CALL qes_init (dipole_info%dipoleField,"dipoleField" , units="Atomic Units", &
|
|
scalarQuantity= tot_dipole)
|
|
!
|
|
length=(1._DP-eopreg)*(alat*SQRT(at(1,edir)**2+at(2,edir)**2+at(3,edir)**2))
|
|
vamp=e2*(eamp-tot_dipole)*length
|
|
!
|
|
CALL qes_init (dipole_info%potentialAmp,"potentialAmp" , units="Atomic Units",&
|
|
scalarQuantity= vamp)
|
|
CALL qes_init (dipole_info%totalLength, "totalLength", units = "Bohr",&
|
|
scalarQuantity = length )
|
|
|
|
END SUBROUTINE qexsd_init_dipole_info
|
|
!---------------------------------------------------------------------------------------------
|
|
SUBROUTINE qexsd_init_outputElectricField(obj, lelfield, tefield, ldipole, lberry, bp_obj, el_pol, &
|
|
ion_pol, dipole_obj , gateInfo)
|
|
!---------------------------------------------------------------------------------------------
|
|
!
|
|
IMPLICIT NONE
|
|
!
|
|
TYPE(outputElectricField_type) :: obj
|
|
!
|
|
LOGICAL,INTENT(IN) :: lberry, lelfield, tefield, ldipole
|
|
REAL(DP),OPTIONAL,INTENT(IN) :: el_pol(:), ion_pol(:)
|
|
TYPE(berryPhaseOutput_type),OPTIONAL,INTENT(IN) :: bp_obj
|
|
TYPE ( dipoleOutput_type ),OPTIONAL, INTENT(IN) :: dipole_obj
|
|
TYPE ( gateInfo_type),OPTIONAL,INTENT(IN) :: gateInfo
|
|
!
|
|
CHARACTER(LEN=*),PARAMETER :: TAGNAME="electric_field"
|
|
TYPE ( berryPhaseOutput_type ) :: bp_loc_obj
|
|
TYPE ( dipoleOutput_type ) :: dip_loc_obj
|
|
TYPE ( finiteFieldOut_type ) :: finiteField_obj
|
|
LOGICAL :: bp_is = .FALSE. , finfield_is = .FALSE. , &
|
|
dipo_is = .FALSE.
|
|
!
|
|
|
|
IF (lberry .AND. PRESENT ( bp_obj)) THEN
|
|
bp_is = .TRUE.
|
|
bp_loc_obj = bp_obj
|
|
END IF
|
|
IF ( lelfield .AND. PRESENT(el_pol) .AND. PRESENT (ion_pol ) ) THEN
|
|
finfield_is=.TRUE.
|
|
CALL qes_init (finiteField_obj, "finiteElectricFieldInfo", el_pol, ion_pol)
|
|
END IF
|
|
IF ( ldipole .AND. PRESENT( dipole_obj ) ) THEN
|
|
dipo_is = .TRUE.
|
|
dip_loc_obj=dipole_obj
|
|
END IF
|
|
CALL qes_init (obj, TAGNAME, BerryPhase = bp_obj, &
|
|
finiteElectricFieldInfo = finiteField_obj, &
|
|
dipoleInfo = dipole_obj, &
|
|
GATEINFO = gateInfo )
|
|
IF ( finfield_is) CALL qes_reset ( finiteField_obj)
|
|
!
|
|
END SUBROUTINE qexsd_init_outputElectricField
|
|
!
|
|
!-------------------------------------------------------------------------------------------------
|
|
SUBROUTINE qexsd_init_berryPhaseOutput( obj, gpar, gvec, nppstr, nkort, xk, pdl_ion, &
|
|
mod_ion, pdl_ion_tot, mod_ion_tot, nstring, pdl_elec, &
|
|
mod_elec, wstring, pdl_elec_up, mod_elec_up, pdl_elec_dw,&
|
|
mod_elec_dw, pdl_elec_tot,mod_elec_tot, pdl_tot, mod_tot,&
|
|
upol, rmod)
|
|
!---------------------------------------------------------------------------------------------------
|
|
!
|
|
USE ions_base, ONLY: nat, tau, atm, zv, ityp
|
|
USE cell_base, ONLY: omega
|
|
USE noncollin_module, ONLY: nspin_lsda
|
|
IMPLICIT NONE
|
|
!
|
|
TYPE (berryPhaseOutput_type) :: obj
|
|
REAL(DP),INTENT(IN) :: gpar(3), gvec, pdl_ion(nat), pdl_ion_tot, xk(3,*)
|
|
|
|
REAL(DP),INTENT(IN) :: pdl_elec(:), pdl_elec_up, pdl_elec_dw, pdl_elec_tot, &
|
|
pdl_tot, upol(3), rmod
|
|
!
|
|
INTEGER,INTENT(IN) :: mod_ion(nat), mod_ion_tot, mod_elec(:), mod_elec_up, &
|
|
mod_elec_dw, mod_elec_tot, mod_tot, nppstr, nkort, nstring
|
|
!
|
|
REAL(DP),INTENT(IN) :: wstring(nstring)
|
|
!
|
|
CHARACTER(LEN=*),PARAMETER :: TAGNAME = "BerryPhase"
|
|
TYPE ( polarization_type) :: tot_pol_obj
|
|
!
|
|
TYPE ( electronicPolarization_type),ALLOCATABLE :: str_pol_obj(:)
|
|
TYPE ( ionicPolarization_type ), ALLOCATABLE :: ion_pol_obj(:)
|
|
TYPE ( k_point_type ) :: kp_obj
|
|
TYPE ( phase_type) :: el_phase, ion_phase, tot_phase
|
|
TYPE ( atom_type ) :: atom_obj
|
|
TYPE ( scalarQuantity_type ) :: pol_val
|
|
INTEGER :: iat, istring, indstring
|
|
INTEGER,POINTER :: ispin
|
|
INTEGER, TARGET :: spin_val
|
|
CHARACTER(10) :: mod_string
|
|
LOGICAL :: spin_is = .FALSE.
|
|
!
|
|
ALLOCATE (ion_pol_obj(nat))
|
|
ALLOCATE (str_pol_obj(nstring))
|
|
NULLIFY(ispin)
|
|
DO iat =1, nat
|
|
WRITE(mod_string,'("(mod" ,I1,")")') mod_ion(iat)
|
|
CALL qes_init (ion_phase,"phase", modulus = TRIM(mod_string), phase = pdl_ion(iat) )
|
|
CALL qes_init (atom_obj,"ion",name=TRIM(atm(ityp(iat))),atom = tau(:,iat))
|
|
CALL qes_init (ion_pol_obj(iat), "ionicPolarization", atom_obj, zv(ityp(iat)), ion_phase )
|
|
CALL qes_reset (ion_phase)
|
|
CALL qes_reset (atom_obj)
|
|
END DO
|
|
!
|
|
IF ( nspin_lsda .EQ. 2 ) ispin => spin_val
|
|
DO istring= 1, nstring
|
|
indstring = 1+(istring-1)*nppstr
|
|
WRITE(mod_string,'("(mod ",I1,")")') mod_elec(istring)
|
|
CALL qes_init(el_phase, "phase", modulus = TRIM (mod_string), phase = pdl_elec(istring) )
|
|
IF ( istring .LE. nstring/nspin_lsda ) THEN
|
|
spin_val = 1
|
|
ELSE
|
|
spin_val = 2
|
|
END IF
|
|
CALL qes_init(kp_obj, "firstKeyPoint", WEIGHT = wstring(istring), K_POINT = xk(:,indstring))
|
|
CALL qes_init(str_pol_obj(istring),"electronicPolarization", kp_obj, el_phase, ispin )
|
|
CALL qes_reset( el_phase )
|
|
CALL qes_reset(kp_obj)
|
|
END DO
|
|
!
|
|
WRITE(mod_string,'("(mod ",I1,")")') mod_tot
|
|
CALL qes_init (tot_phase, "totalPhase", IONIC = pdl_ion_tot, ELECTRONIC = pdl_elec_tot, &
|
|
MODULUS = TRIM(mod_string), PHASE = pdl_tot)
|
|
!
|
|
CALL qes_init ( pol_val, "polarization", Units="e/bohr^2", scalarQuantity=(rmod/omega)*pdl_tot )
|
|
!
|
|
CALL qes_init (tot_pol_obj, "totalPolarization", pol_val, modulus = (rmod/omega)*dble(mod_tot), &
|
|
direction = upol )
|
|
!
|
|
CALL qes_init ( obj, TAGNAME, totalPolarization = tot_pol_obj, totalPhase = tot_phase, &
|
|
ionicPolarization = ion_pol_obj, electronicPolarization = str_pol_obj )
|
|
!
|
|
DO istring=1,nstring
|
|
CALL qes_reset (str_pol_obj(istring))
|
|
END DO
|
|
DEALLOCATE (str_pol_obj)
|
|
DO iat=1, nat
|
|
CALL qes_reset (ion_pol_obj(iat))
|
|
END DO
|
|
DEALLOCATE (ion_pol_obj)
|
|
CALL qes_reset (tot_pol_obj)
|
|
CALL qes_reset (pol_val)
|
|
CALL qes_reset (tot_phase)
|
|
!
|
|
END SUBROUTINE qexsd_init_berryPhaseOutput
|
|
!
|
|
!-----------------------------------------------------------------------------------
|
|
SUBROUTINE qexsd_init_gate_info(obj, tagname, gatefield_en, zgate_, nelec_, alat_, at_, bg_, zv_, ityp_)
|
|
!--------------------------------------------------------------------------------
|
|
USE kinds, ONLY : DP
|
|
USE constants, ONLY : tpi
|
|
!
|
|
IMPLICIT NONE
|
|
TYPE (gateInfo_type),INTENT(INOUT) :: obj;
|
|
CHARACTER(LEN=*) :: tagname
|
|
REAL(DP), INTENT(IN) :: gatefield_en, zgate_, alat_, at_(3,3), bg_(3,3), zv_(:), nelec_
|
|
INTEGER,INTENT(IN) :: ityp_(:)
|
|
!
|
|
REAL(DP) :: bmod, area, ionic_charge, gateamp, gate_gate_term
|
|
!
|
|
bmod=SQRT(bg_(1,3)**2+bg_(2,3)**2+bg_(3,3)**2)
|
|
ionic_charge = SUM( zv_(ityp_(:)) )
|
|
area = ABS((at_(1,1)*at_(2,2)-at_(2,1)*at_(1,2))*alat_**2)
|
|
gateamp = (-(nelec_-ionic_charge)/area*tpi)
|
|
gate_gate_term = (- (nelec_-ionic_charge) * gateamp * (alat_/bmod) / 6.0)
|
|
obj = gateInfo_type( TAGNAME = TRIM(tagname), lwrite = .TRUE., lread = .FALSE., POT_PREFACTOR = gateamp, &
|
|
GATE_ZPOS = zgate_, GATE_GATE_TERM = gate_gate_term, GATEFIELDENERGY = gatefield_en)
|
|
!
|
|
END SUBROUTINE qexsd_init_gate_info
|
|
|
|
|
|
|
|
END MODULE qexsd_init
|