mirror of https://gitlab.com/QEF/q-e.git
322 lines
10 KiB
Fortran
322 lines
10 KiB
Fortran
!
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! Copyright (C) 2002 CP90 group
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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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module bhs
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! analytical BHS pseudopotential parameters
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use parameters, only: nsx
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implicit none
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save
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real(kind=8) :: rc1(nsx), rc2(nsx), wrc1(nsx), wrc2(nsx), &
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rcl(3,nsx,3), al(3,nsx,3), bl(3,nsx,3)
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integer :: lloc(nsx)
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end module bhs
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module core
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implicit none
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save
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! nlcc = 0 no core correction on any atom
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! rhocb = core charge in G space (box grid)
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integer nlcc
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real(kind=8), allocatable:: rhocb(:,:)
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contains
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subroutine deallocate_core()
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IF( ALLOCATED( rhocb ) ) DEALLOCATE( rhocb )
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end subroutine
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end module core
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module cvan
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! ionic pseudo-potential variables
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use parameters, only: nsx
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implicit none
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save
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! nvb = number of species with Vanderbilt PPs
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! nh(is) = number of beta functions, including Y_lm, for species is
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! ish(is)= used for indexing the nonlocal projectors betae
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! with contiguous indices inl=ish(is)+(iv-1)*na(is)+1
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! where "is" is the species and iv=1,nh(is)
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! nhx = max value of nh(np)
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! nhsavb = total number of Vanderbilt nonlocal projectors
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! nhsa = total number of nonlocal projectors for all atoms
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integer nvb, nhsavb, ish(nsx), nh(nsx), nhsa, nhx
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! nhtol: nhtol(ind,is)=value of l for projector ind of species is
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! indv : indv(ind,is) =beta function (without Y_lm) for projector ind
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! indlm: indlm(ind,is)=Y_lm for projector ind
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integer, allocatable:: nhtol(:,:), indv(:,:), indlm(:,:)
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! beta = nonlocal projectors in g space without e^(-ig.r) factor
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! qq = ionic Q_ij for each species (Vanderbilt only)
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! dvan = ionic D_ij for each species (Vanderbilt only)
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real(kind=8), allocatable:: beta(:,:,:), qq(:,:,:), dvan(:,:,:)
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contains
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subroutine deallocate_cvan()
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IF( ALLOCATED( nhtol ) ) DEALLOCATE( nhtol )
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IF( ALLOCATED( indv ) ) DEALLOCATE( indv )
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IF( ALLOCATED( indlm ) ) DEALLOCATE( indlm )
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IF( ALLOCATED( beta ) ) DEALLOCATE( beta )
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IF( ALLOCATED( qq ) ) DEALLOCATE( qq )
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IF( ALLOCATED( dvan ) ) DEALLOCATE( dvan )
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end subroutine
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end module cvan
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module elct
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use electrons_base, only: nspin, nel, nupdwn, iupdwn
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use electrons_base, only: n => nbnd, nx => nbndx
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implicit none
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save
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! f = occupation numbers
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! qbac = background neutralizing charge
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real(kind=8), allocatable:: f(:)
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real(kind=8) qbac
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! nspin = number of spins (1=no spin, 2=LSDA)
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! nel(nspin) = number of electrons (up, down)
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! nupdwn= number of states with spin up (1) and down (2)
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! iupdwn= first state with spin (1) and down (2)
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! n = total number of electronic states
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! nx = if n is even, nx=n ; if it is odd, nx=n+1
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! nx is used only to dimension arrays
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! ispin = spin of each state
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integer, allocatable:: ispin(:)
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!
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contains
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subroutine deallocate_elct()
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IF( ALLOCATED( f ) ) DEALLOCATE( f )
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IF( ALLOCATED( ispin ) ) DEALLOCATE( ispin )
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return
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end subroutine
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!
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end module elct
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module gvec
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use cell_base, only: tpiba, tpiba2
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use reciprocal_vectors, only: &
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gl, g, gx, g2_g, mill_g, mill_l, ig_l2g, igl, bi1, bi2, bi3
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use reciprocal_vectors, only: deallocate_recvecs
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use recvecs_indexes, only: np, nm, in1p, in2p, in3p, deallocate_recvecs_indexes
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use gvecp, only: &
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ng => ngm, &
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ngl => ngml, &
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ng_g => ngmt
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! tpiba = 2*pi/alat
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! tpiba2 = (2*pi/alat)**2
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! ng = number of G vectors for density and potential
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! ngl = number of shells of G
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! G-vector quantities for the thick grid - see also doc in ggen
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! g = G^2 in increasing order (in units of tpiba2=(2pi/a)^2)
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! gl = shells of G^2 ( " " " " " )
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! gx = G-vectors ( " " " tpiba =(2pi/a) )
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!
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! g2_g = all G^2 in increasing order, replicated on all procs
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! mill_g = miller index of G vecs (increasing order), replicated on all procs
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! mill_l = miller index of G vecs local to the processors
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! ig_l2g = "l2g" means local to global, this array convert a local
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! G-vector index into the global index, in other words
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! the index of the G-v. in the overall array of G-vectors
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! bi? = base vector used to generate the reciprocal space
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!
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! np = fft index for G>
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! nm = fft index for G<
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! in1p,in2p,in3p = G components in crystal axis
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!
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implicit none
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save
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contains
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subroutine deallocate_gvec
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CALL deallocate_recvecs( )
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CALL deallocate_recvecs_indexes( )
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end subroutine
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end module gvec
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module ncprm
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use parameters, only: nsx, mmaxx, nqfx, nbrx, lqmax
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implicit none
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save
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!
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! lqmax: maximum angular momentum of Q (Vanderbilt augmentation charges)
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! nqfx : maximum number of coefficients in Q smoothing
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! nbrx : maximum number of distinct radial beta functions
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! mmaxx: maximum number of points in the radial grid
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!
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! ifpcor 1 if "partial core correction" of louie, froyen,
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! & cohen to be used; 0 otherwise
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! nbeta number of beta functions (sum over all l)
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! kkbeta last radial mesh point used to describe functions
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! which vanish outside core
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! nqf coefficients in Q smoothing
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! nqlc angular momenta present in Q smoothing
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! lll lll(j) is l quantum number of j'th beta function
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! lqx highest angular momentum that is present in Q functions
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! lmaxkb highest angular momentum that is present in beta functions
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integer :: ifpcor(nsx), nbeta(nsx), kkbeta(nsx), &
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nqf(nsx), nqlc(nsx), lll(nbrx,nsx), lqx, lmaxkb
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! rscore partial core charge (Louie, Froyen, Cohen)
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! dion bare pseudopotential D_{\mu,\nu} parameters
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! (ionic and screening parts subtracted out)
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! betar the beta function on a r grid (actually, r*beta)
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! qqq Q_ij matrix
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! qfunc Q_ij(r) function (for r>rinner)
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! rinner radius at which to cut off partial core or Q_ij
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!
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! qfcoef coefficients to pseudize qfunc for different total
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! angular momentum (for r<rinner)
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! rucore bare local potential
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real(kind=8) :: rscore(mmaxx,nsx), dion(nbrx,nbrx,nsx), &
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betar(mmaxx,nbrx,nsx), qqq(nbrx,nbrx,nsx), &
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qfunc(mmaxx,nbrx,nbrx,nsx), rucore(mmaxx,nbrx,nsx), &
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qfcoef(nqfx,lqmax,nbrx,nbrx,nsx), rinner(lqmax,nsx)
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!
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! qrl q(r) functions
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!
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real(kind=8) :: qrl(mmaxx,nbrx,nbrx,lqmax,nsx)
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! mesh number of radial mesh points
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! r logarithmic radial mesh
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! rab derivative of r(i) (used in numerical integration)
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! cmesh used only for Herman-Skillman mesh (old format)
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integer :: mesh(nsx)
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real(kind=8) :: r(mmaxx,nsx), rab(mmaxx,nsx), cmesh(nsx)
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end module ncprm
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module pseu
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implicit none
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save
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! rhops = ionic pseudocharges (for Ewald term)
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! vps = local pseudopotential in G space for each species
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real(kind=8), allocatable:: rhops(:,:), vps(:,:)
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contains
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subroutine deallocate_pseu
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IF( ALLOCATED( rhops ) ) DEALLOCATE( rhops )
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IF( ALLOCATED( vps ) ) DEALLOCATE( vps )
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end subroutine
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end module pseu
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module qgb_mod
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implicit none
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save
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complex(kind=8), allocatable :: qgb(:,:,:)
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contains
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subroutine deallocate_qgb_mod
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IF( ALLOCATED( qgb ) ) DEALLOCATE( qgb )
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end subroutine
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end module qgb_mod
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module qradb_mod
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implicit none
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save
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real(kind=8), allocatable:: qradb(:,:,:,:,:)
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contains
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subroutine deallocate_qradb_mod
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IF( ALLOCATED( qradb ) ) DEALLOCATE( qradb )
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end subroutine
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end module qradb_mod
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module wfc_atomic
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use parameters, only:nsx
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use ncprm, only:mmaxx
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implicit none
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save
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! nchix= maximum number of pseudo wavefunctions
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! nchi = number of atomic (pseudo-)wavefunctions
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! lchi = angular momentum of chi
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! chi = atomic (pseudo-)wavefunctions
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integer :: nchix
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parameter (nchix=6)
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real(kind=8) :: chi(mmaxx,nchix,nsx)
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integer :: lchi(nchix,nsx), nchi(nsx)
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end module wfc_atomic
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module work
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use pseudo_types
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implicit none
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save
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complex(kind=8), allocatable, target:: wrk1(:)
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complex(kind=8), allocatable, target:: wrk2(:,:)
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complex(kind=8), allocatable:: aux(:)
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contains
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subroutine deallocate_work
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IF( ALLOCATED( wrk1 ) ) DEALLOCATE( wrk1 )
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IF( ALLOCATED( wrk2 ) ) DEALLOCATE( wrk2 )
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IF( ALLOCATED( aux ) ) DEALLOCATE( aux )
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end subroutine
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end module work
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module work_box
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implicit none
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save
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complex(kind=8), allocatable, target:: qv(:)
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contains
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subroutine deallocate_work_box
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IF( ALLOCATED( qv ) ) DEALLOCATE( qv )
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end subroutine
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end module work_box
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! Variable cell
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module derho
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implicit none
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save
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complex(kind=8),allocatable:: drhog(:,:,:,:)
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real(kind=8),allocatable:: drhor(:,:,:,:)
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contains
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subroutine deallocate_derho
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IF( ALLOCATED( drhog ) ) DEALLOCATE( drhog )
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IF( ALLOCATED( drhor ) ) DEALLOCATE( drhor )
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end subroutine
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end module derho
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module dener
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implicit none
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save
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real(kind=8) detot(3,3), dekin(3,3), dh(3,3), dps(3,3), &
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& denl(3,3), dxc(3,3), dsr(3,3)
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end module dener
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module dqgb_mod
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implicit none
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save
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complex(kind=8),allocatable:: dqgb(:,:,:,:,:)
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contains
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subroutine deallocate_dqgb_mod
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IF( ALLOCATED( dqgb ) ) DEALLOCATE( dqgb )
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end subroutine
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end module dqgb_mod
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module dpseu
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implicit none
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save
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real(kind=8),allocatable:: dvps(:,:), drhops(:,:)
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contains
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subroutine deallocate_dpseu
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IF( ALLOCATED( dvps ) ) DEALLOCATE( dvps )
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IF( ALLOCATED( drhops ) ) DEALLOCATE( drhops )
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end subroutine
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end module dpseu
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module cdvan
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implicit none
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save
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real(kind=8),allocatable:: dbeta(:,:,:,:,:), dbec(:,:,:,:), &
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drhovan(:,:,:,:,:)
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contains
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subroutine deallocate_cdvan
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IF( ALLOCATED( dbeta ) ) DEALLOCATE( dbeta )
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IF( ALLOCATED( dbec ) ) DEALLOCATE( dbec )
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IF( ALLOCATED( drhovan ) ) DEALLOCATE( drhovan )
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end subroutine
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end module cdvan
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