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mirror of https://github.com/QuantumPackage/qp2.git synced 2024-11-07 05:53:37 +01:00
qp2/plugins/local/bi_ortho_mos/mos_rl.irp.f

230 lines
5.4 KiB
Fortran

! ---
subroutine ao_to_mo_bi_ortho(A_ao, LDA_ao, A_mo, LDA_mo)
BEGIN_DOC
!
! Transform A from the |AO| basis to the BI ORTHONORMAL MOS
!
! $C_L^\dagger.A_{ao}.C_R$ where C_L and C_R are the LEFT and RIGHT MO coefs
!
END_DOC
implicit none
integer, intent(in) :: LDA_ao, LDA_mo
double precision, intent(in) :: A_ao(LDA_ao,ao_num)
double precision, intent(out) :: A_mo(LDA_mo,mo_num)
double precision, allocatable :: T(:,:)
PROVIDE mo_l_coef mo_r_coef
allocate ( T(ao_num,mo_num) )
!DIR$ ATTRIBUTES ALIGN : $IRP_ALIGN :: T
! T = A_ao x mo_r_coef
call dgemm( 'N', 'N', ao_num, mo_num, ao_num, 1.d0 &
, A_ao, LDA_ao, mo_r_coef, size(mo_r_coef, 1) &
, 0.d0, T, size(T, 1) )
! A_mo = mo_l_coef.T x T
call dgemm( 'T', 'N', mo_num, mo_num, ao_num, 1.d0 &
, mo_l_coef, size(mo_l_coef, 1), T, size(T, 1) &
, 0.d0, A_mo, LDA_mo )
deallocate(T)
end subroutine ao_to_mo_bi_ortho
! ---
subroutine mo_to_ao_bi_ortho(A_mo, LDA_mo, A_ao, LDA_ao)
BEGIN_DOC
!
! mo_l_coef.T x A_ao x mo_r_coef = A_mo
! mo_l_coef.T x ao_overlap x mo_r_coef = I
!
! ==> A_ao = (ao_overlap x mo_r_coef) x A_mo x (ao_overlap x mo_l_coef).T
!
END_DOC
implicit none
integer, intent(in) :: LDA_ao, LDA_mo
double precision, intent(in) :: A_mo(LDA_mo,mo_num)
double precision, intent(out) :: A_ao(LDA_ao,ao_num)
double precision, allocatable :: tmp_1(:,:), tmp_2(:,:)
PROVIDE mo_l_coef mo_r_coef
! ao_overlap x mo_r_coef
allocate( tmp_1(ao_num,mo_num) )
call dgemm( 'N', 'N', ao_num, mo_num, ao_num, 1.d0 &
, ao_overlap, size(ao_overlap, 1), mo_r_coef, size(mo_r_coef, 1) &
, 0.d0, tmp_1, size(tmp_1, 1) )
! (ao_overlap x mo_r_coef) x A_mo
allocate( tmp_2(ao_num,mo_num) )
call dgemm( 'N', 'N', ao_num, mo_num, mo_num, 1.d0 &
, tmp_1, size(tmp_1, 1), A_mo, LDA_mo &
, 0.d0, tmp_2, size(tmp_2, 1) )
! ao_overlap x mo_l_coef
tmp_1 = 0.d0
call dgemm( 'N', 'N', ao_num, mo_num, ao_num, 1.d0 &
, ao_overlap, size(ao_overlap, 1), mo_l_coef, size(mo_l_coef, 1) &
, 0.d0, tmp_1, size(tmp_1, 1) )
! (ao_overlap x mo_r_coef) x A_mo x (ao_overlap x mo_l_coef).T
call dgemm( 'N', 'T', ao_num, ao_num, mo_num, 1.d0 &
, tmp_2, size(tmp_2, 1), tmp_1, size(tmp_1, 1) &
, 0.d0, A_ao, LDA_ao )
deallocate(tmp_1, tmp_2)
end subroutine mo_to_ao_bi_ortho
! ---
BEGIN_PROVIDER [ double precision, mo_r_coef, (ao_num, mo_num) ]
BEGIN_DOC
!
! Molecular right-orbital coefficients on |AO| basis set
!
END_DOC
implicit none
integer :: i, j
logical :: exists
PROVIDE ezfio_filename
if (mpi_master) then
call ezfio_has_bi_ortho_mos_mo_r_coef(exists)
endif
IRP_IF MPI_DEBUG
print *, irp_here, mpi_rank
call MPI_BARRIER(MPI_COMM_WORLD, ierr)
IRP_ENDIF
IRP_IF MPI
include 'mpif.h'
integer :: ierr
call MPI_BCAST(exists, 1, MPI_LOGICAL, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
stop 'Unable to read mo_r_coef with MPI'
endif
IRP_ENDIF
if (exists) then
if (mpi_master) then
call ezfio_get_bi_ortho_mos_mo_r_coef(mo_r_coef)
write(*,*) 'Read mo_r_coef'
endif
IRP_IF MPI
call MPI_BCAST(mo_r_coef, mo_num*ao_num, MPI_DOUBLE_PRECISION, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
stop 'Unable to read mo_r_coef with MPI'
endif
IRP_ENDIF
else
print*, 'mo_r_coef are mo_coef'
do i = 1, mo_num
do j = 1, ao_num
mo_r_coef(j,i) = mo_coef(j,i)
enddo
enddo
call ezfio_set_bi_ortho_mos_mo_r_coef(mo_r_coef)
endif
END_PROVIDER
! ---
BEGIN_PROVIDER [ double precision, mo_l_coef, (ao_num, mo_num) ]
BEGIN_DOC
!
! Molecular left-orbital coefficients on |AO| basis set
!
END_DOC
implicit none
integer :: i, j
logical :: exists
PROVIDE ezfio_filename
if (mpi_master) then
call ezfio_has_bi_ortho_mos_mo_l_coef(exists)
endif
IRP_IF MPI_DEBUG
print *, irp_here, mpi_rank
call MPI_BARRIER(MPI_COMM_WORLD, ierr)
IRP_ENDIF
IRP_IF MPI
include 'mpif.h'
integer :: ierr
call MPI_BCAST(exists, 1, MPI_LOGICAL, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
stop 'Unable to read mo_l_coef with MPI'
endif
IRP_ENDIF
if (exists) then
if (mpi_master) then
call ezfio_get_bi_ortho_mos_mo_l_coef(mo_l_coef)
write(*,*) 'Read mo_l_coef'
endif
IRP_IF MPI
call MPI_BCAST(mo_l_coef, mo_num*ao_num, MPI_DOUBLE_PRECISION, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
stop 'Unable to read mo_l_coef with MPI'
endif
IRP_ENDIF
else
print*, 'mo_l_coef are mo_coef'
do i = 1, mo_num
do j = 1, ao_num
mo_l_coef(j,i) = mo_coef(j,i)
enddo
enddo
call ezfio_set_bi_ortho_mos_mo_l_coef(mo_l_coef)
endif
END_PROVIDER
! ---
BEGIN_PROVIDER [ double precision, mo_r_coef_transp, (mo_num, ao_num)]
implicit none
integer :: j, m
do j = 1, mo_num
do m = 1, ao_num
mo_r_coef_transp(j,m) = mo_r_coef(m,j)
enddo
enddo
END_PROVIDER
! ---
BEGIN_PROVIDER [ double precision, mo_l_coef_transp, (mo_num, ao_num)]
implicit none
integer :: j, m
do j = 1, mo_num
do m = 1, ao_num
mo_l_coef_transp(j,m) = mo_l_coef(m,j)
enddo
enddo
END_PROVIDER
! ---