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mirror of https://github.com/QuantumPackage/qp2.git synced 2024-06-16 01:25:18 +02:00

optim in 1e-Jastrow

This commit is contained in:
AbdAmmar 2024-01-25 22:12:26 +01:00
parent 9b2ba694d9
commit 3cab869c2d
6 changed files with 557 additions and 78 deletions

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@ -99,7 +99,7 @@ size: (ao_basis.ao_num)
type: double precision
doc: coefficients of the 1-electron Jastrow in AOsxAOs
interface: ezfio
size: (ao_basis.ao_num*ao_basis.ao_num)
size: (ao_basis.ao_num,ao_basis.ao_num)
[j1e_coef_ao3]
type: double precision

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@ -78,7 +78,7 @@ END_PROVIDER
double precision :: cx, cy, cz
double precision :: time0, time1
double precision, allocatable :: Pa(:,:), Pb(:,:), Pt(:,:)
double precision, allocatable :: coef_fit(:), coef_fit2(:), coef_fit3(:,:)
double precision, allocatable :: coef_fit(:), coef_fit2(:,:), coef_fit3(:,:)
PROVIDE j1e_type
@ -243,7 +243,7 @@ END_PROVIDER
PROVIDE aos_grad_in_r_array
allocate(coef_fit2(ao_num*ao_num))
allocate(coef_fit2(ao_num,ao_num))
if(mpi_master) then
call ezfio_has_jastrow_j1e_coef_ao2(exists)
@ -254,7 +254,7 @@ END_PROVIDER
IRP_ENDIF
IRP_IF MPI
include 'mpif.h'
call MPI_BCAST(coef_fit2, ao_num*ao_num, MPI_DOUBLE_PRECISION, 0, MPI_COMM_WORLD, ierr)
call MPI_BCAST(coef_fit2, (ao_num*ao_num), MPI_DOUBLE_PRECISION, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
stop 'Unable to read j1e_coef_ao2 with MPI'
endif
@ -264,7 +264,7 @@ END_PROVIDER
write(6,'(A)') '.. >>>>> [ IO READ: j1e_coef_ao2 ] <<<<< ..'
call ezfio_get_jastrow_j1e_coef_ao2(coef_fit2)
IRP_IF MPI
call MPI_BCAST(coef_fit2, ao_num*ao_num, MPI_DOUBLE_PRECISION, 0, MPI_COMM_WORLD, ierr)
call MPI_BCAST(coef_fit2, (ao_num*ao_num), MPI_DOUBLE_PRECISION, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
stop 'Unable to read j1e_coef_ao2 with MPI'
endif
@ -272,14 +272,14 @@ END_PROVIDER
endif
else
call get_j1e_coef_fit_ao2(ao_num*ao_num, coef_fit2)
call get_j1e_coef_fit_ao2(ao_num, coef_fit2)
call ezfio_set_jastrow_j1e_coef_ao2(coef_fit2)
endif
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (i, j, ij, ipoint, c) &
!$OMP PRIVATE (i, j, ipoint, c) &
!$OMP SHARED (n_points_final_grid, ao_num, &
!$OMP aos_grad_in_r_array, coef_fit2, &
!$OMP aos_in_r_array, j1e_gradx, j1e_grady, j1e_gradz)
@ -292,9 +292,7 @@ END_PROVIDER
do i = 1, ao_num
do j = 1, ao_num
ij = (i-1)*ao_num + j
c = coef_fit2(ij)
c = coef_fit2(j,i)
j1e_gradx(ipoint) += c * (aos_in_r_array(i,ipoint) * aos_grad_in_r_array(j,ipoint,1) + aos_grad_in_r_array(i,ipoint,1) * aos_in_r_array(j,ipoint))
j1e_grady(ipoint) += c * (aos_in_r_array(i,ipoint) * aos_grad_in_r_array(j,ipoint,2) + aos_grad_in_r_array(i,ipoint,2) * aos_in_r_array(j,ipoint))

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@ -120,15 +120,18 @@ subroutine get_j1e_coef_fit_ao2(dim_fit, coef_fit)
implicit none
integer , intent(in) :: dim_fit
double precision, intent(out) :: coef_fit(dim_fit)
double precision, intent(out) :: coef_fit(dim_fit,dim_fit)
integer :: i, j, k, l, ipoint
integer :: ij, kl
integer :: ij, kl, mn
integer :: info, n_svd, LWORK
double precision :: g
double precision :: t0, t1
double precision, allocatable :: A(:,:), b(:), A_inv(:,:)
double precision :: cutoff_svd
double precision, allocatable :: A(:,:,:,:), b(:,:)
double precision, allocatable :: Pa(:,:), Pb(:,:), Pt(:,:)
double precision, allocatable :: u1e_tmp(:)
double precision, allocatable :: u1e_tmp(:), tmp(:,:,:)
double precision, allocatable :: U(:,:), D(:), Vt(:,:), work(:)
PROVIDE j1e_type
@ -136,6 +139,9 @@ subroutine get_j1e_coef_fit_ao2(dim_fit, coef_fit)
PROVIDE elec_alpha_num elec_beta_num elec_num
PROVIDE mo_coef
cutoff_svd = 5d-8
call wall_time(t0)
print*, ' PROVIDING the representation of 1e-Jastrow in AOs x AOs ... '
@ -169,57 +175,70 @@ subroutine get_j1e_coef_fit_ao2(dim_fit, coef_fit)
! --- --- ---
! get A
allocate(A(ao_num*ao_num,ao_num*ao_num))
!!$OMP PARALLEL &
!!$OMP DEFAULT (NONE) &
!!$OMP PRIVATE (i, j, k, l, ij, kl, ipoint) &
!!$OMP SHARED (n_points_final_grid, ao_num, &
!!$OMP final_weight_at_r_vector, aos_in_r_array_transp, A)
!!$OMP DO COLLAPSE(2)
!do k = 1, ao_num
! do l = 1, ao_num
! kl = (k-1)*ao_num + l
! do i = 1, ao_num
! do j = 1, ao_num
! ij = (i-1)*ao_num + j
! A(ij,kl) = 0.d0
! do ipoint = 1, n_points_final_grid
! A(ij,kl) += final_weight_at_r_vector(ipoint) * aos_in_r_array_transp(ipoint,i) * aos_in_r_array_transp(ipoint,j) &
! * aos_in_r_array_transp(ipoint,k) * aos_in_r_array_transp(ipoint,l)
! enddo
! enddo
! enddo
! enddo
!enddo
!!$OMP END DO
!!$OMP END PARALLEL
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (i, j, k, l, ij, kl, ipoint) &
!$OMP SHARED (n_points_final_grid, ao_num, &
!$OMP final_weight_at_r_vector, aos_in_r_array_transp, A)
allocate(tmp(ao_num,ao_num,n_points_final_grid))
allocate(A(ao_num,ao_num,ao_num,ao_num))
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (i, j, ipoint) &
!$OMP SHARED (n_points_final_grid, ao_num, final_weight_at_r_vector, aos_in_r_array_transp, tmp)
!$OMP DO COLLAPSE(2)
do k = 1, ao_num
do l = 1, ao_num
kl = (k-1)*ao_num + l
do i = 1, ao_num
do j = 1, ao_num
ij = (i-1)*ao_num + j
A(ij,kl) = 0.d0
do ipoint = 1, n_points_final_grid
A(ij,kl) += final_weight_at_r_vector(ipoint) * aos_in_r_array_transp(ipoint,i) * aos_in_r_array_transp(ipoint,j) &
* aos_in_r_array_transp(ipoint,k) * aos_in_r_array_transp(ipoint,l)
enddo
enddo
do j = 1, ao_num
do i = 1, ao_num
do ipoint = 1, n_points_final_grid
tmp(i,j,ipoint) = dsqrt(final_weight_at_r_vector(ipoint)) * aos_in_r_array_transp(ipoint,i) * aos_in_r_array_transp(ipoint,j)
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
! print *, ' A'
! do ij = 1, ao_num*ao_num
! write(*, '(100000(f15.7))') (A(ij,kl), kl = 1, ao_num*ao_num)
! enddo
call dgemm( "N", "T", ao_num*ao_num, ao_num*ao_num, n_points_final_grid, 1.d0 &
, tmp(1,1,1), ao_num*ao_num, tmp(1,1,1), ao_num*ao_num &
, 0.d0, A(1,1,1,1), ao_num*ao_num)
deallocate(tmp)
! --- --- ---
! get b
allocate(b(ao_num*ao_num))
allocate(b(ao_num,ao_num))
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (i, j, ij, ipoint) &
!$OMP SHARED (n_points_final_grid, ao_num, &
!$OMP final_weight_at_r_vector, aos_in_r_array_transp, u1e_tmp, b)
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (i, j, ipoint) &
!$OMP SHARED (n_points_final_grid, ao_num, final_weight_at_r_vector, aos_in_r_array_transp, u1e_tmp, b)
!$OMP DO COLLAPSE(2)
do i = 1, ao_num
do j = 1, ao_num
ij = (i-1)*ao_num + j
b(ij) = 0.d0
b(j,i) = 0.d0
do ipoint = 1, n_points_final_grid
b(ij) = b(ij) + final_weight_at_r_vector(ipoint) * aos_in_r_array_transp(ipoint,i) * aos_in_r_array_transp(ipoint,j) * u1e_tmp(ipoint)
b(j,i) = b(j,i) + final_weight_at_r_vector(ipoint) * aos_in_r_array_transp(ipoint,i) * aos_in_r_array_transp(ipoint,j) * u1e_tmp(ipoint)
enddo
enddo
enddo
@ -231,36 +250,69 @@ subroutine get_j1e_coef_fit_ao2(dim_fit, coef_fit)
! --- --- ---
! solve Ax = b
allocate(A_inv(ao_num*ao_num,ao_num*ao_num))
!call get_inverse(A, ao_num*ao_num, ao_num*ao_num, A_inv, ao_num*ao_num)
call get_pseudo_inverse(A, ao_num*ao_num, ao_num*ao_num, ao_num*ao_num, A_inv, ao_num*ao_num, 5d-8)
!call get_pseudo_inverse(A, ao_num*ao_num, ao_num*ao_num, ao_num*ao_num, A_inv, ao_num*ao_num, cutoff_svd)
allocate(D(ao_num*ao_num), U(ao_num*ao_num,ao_num*ao_num), Vt(ao_num*ao_num,ao_num*ao_num))
allocate(work(1))
lwork = -1
call dgesvd( 'S', 'A', ao_num*ao_num, ao_num*ao_num, A(1,1,1,1), ao_num*ao_num &
, D(1), U(1,1), ao_num*ao_num, Vt(1,1), ao_num*ao_num, work, lwork, info)
if(info /= 0) then
print *, info, ': SVD failed'
stop
endif
LWORK = max(5*ao_num*ao_num, int(WORK(1)))
deallocate(work)
allocate(work(lwork))
call dgesvd( 'S', 'A', ao_num*ao_num, ao_num*ao_num, A(1,1,1,1), ao_num*ao_num &
, D(1), U(1,1), ao_num*ao_num, Vt(1,1), ao_num*ao_num, work, lwork, info)
if(info /= 0) then
print *, info, ':: SVD failed'
stop 1
endif
deallocate(work)
n_svd = 0
do ij = 1, ao_num*ao_num
if(D(ij)/D(1) > cutoff_svd) then
D(ij) = 1.d0 / D(ij)
n_svd = n_svd + 1
else
D(ij) = 0.d0
endif
enddo
print*, ' n_svd = ', n_svd
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (ij, kl) &
!$OMP SHARED (ao_num, n_svd, D, Vt)
!$OMP DO
do kl = 1, ao_num*ao_num
do ij = 1, n_svd
Vt(ij,kl) = Vt(ij,kl) * D(ij)
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
! A = A_inv
call dgemm( "N", "N", ao_num*ao_num, ao_num*ao_num, n_svd, 1.d0 &
, U(1,1), ao_num*ao_num, Vt(1,1), ao_num*ao_num &
, 0.d0, A(1,1,1,1), ao_num*ao_num)
deallocate(D, U, Vt)
! ---
! coef_fit = A_inv x b
call dgemv("N", ao_num*ao_num, ao_num*ao_num, 1.d0, A_inv, ao_num*ao_num, b, 1, 0.d0, coef_fit, 1)
call dgemv("N", ao_num*ao_num, ao_num*ao_num, 1.d0, A(1,1,1,1), ao_num*ao_num, b(1,1), 1, 0.d0, coef_fit(1,1), 1)
integer :: mn
double precision :: tmp, acc, nrm
acc = 0.d0
nrm = 0.d0
do ij = 1, ao_num*ao_num
tmp = 0.d0
do kl = 1, ao_num*ao_num
tmp += A(ij,kl) * coef_fit(kl)
enddo
tmp = tmp - b(ij)
if(dabs(tmp) .gt. 1d-7) then
print*, ' problem found in fitting 1e-Jastrow'
print*, ij, tmp
endif
acc += dabs(tmp)
nrm += dabs(b(ij))
enddo
print *, ' Relative Error (%) =', 100.d0*acc/nrm
deallocate(A, A_inv, b)
deallocate(A, b)
call wall_time(t1)
print*, ' END after (min) ', (t1-t0)/60.d0

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@ -0,0 +1,94 @@
! ---
program print_j1ecoef_info
implicit none
my_grid_becke = .True.
PROVIDE tc_grid1_a tc_grid1_r
my_n_pt_r_grid = tc_grid1_r
my_n_pt_a_grid = tc_grid1_a
touch my_grid_becke my_n_pt_r_grid my_n_pt_a_grid
if(tc_integ_type .eq. "numeric") then
my_extra_grid_becke = .True.
PROVIDE tc_grid2_a tc_grid2_r
my_n_pt_r_extra_grid = tc_grid2_r
my_n_pt_a_extra_grid = tc_grid2_a
touch my_extra_grid_becke my_n_pt_r_extra_grid my_n_pt_a_extra_grid
endif
call print_j1ecoef()
end
! ---
subroutine print_j1ecoef()
implicit none
integer :: i, j, ij
integer :: ierr
logical :: exists
character(len=10) :: ni, nj
double precision, allocatable :: coef_fit2(:)
PROVIDE ao_l_char_space
allocate(coef_fit2(ao_num*ao_num))
if(mpi_master) then
call ezfio_has_jastrow_j1e_coef_ao2(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'
call MPI_BCAST(coef_fit2, ao_num*ao_num, MPI_DOUBLE_PRECISION, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
stop 'Unable to read j1e_coef_ao2 with MPI'
endif
IRP_ENDIF
if(exists) then
if(mpi_master) then
write(6,'(A)') '.. >>>>> [ IO READ: j1e_coef_ao2 ] <<<<< ..'
call ezfio_get_jastrow_j1e_coef_ao2(coef_fit2)
IRP_IF MPI
call MPI_BCAST(coef_fit2, ao_num*ao_num, MPI_DOUBLE_PRECISION, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
stop 'Unable to read j1e_coef_ao2 with MPI'
endif
IRP_ENDIF
endif
else
call get_j1e_coef_fit_ao2(ao_num*ao_num, coef_fit2)
call ezfio_set_jastrow_j1e_coef_ao2(coef_fit2)
endif
do i = 1, ao_num
write(ni, '(I0)') ao_l(i)+1
do j = 1, ao_num
write(nj, '(I0)') ao_l(j)+1
ij = (i-1)*ao_num + j
print *, trim(adjustl(ni)) // trim(adjustl(ao_l_char_space(i))), " " &
, trim(adjustl(nj)) // trim(adjustl(ao_l_char_space(j))), " " &
, dabs(coef_fit2(ij))
enddo
! print *, ' '
enddo
deallocate(coef_fit2)
return
end
! ---

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@ -39,8 +39,11 @@ program test_non_h
!call test_j1e_fit_ao()
call test_tc_grad_and_lapl_ao_new()
call test_tc_grad_square_ao_new()
!call test_tc_grad_and_lapl_ao_new()
!call test_tc_grad_square_ao_new()
!call test_fit_coef_A1()
call test_fit_coef_inv()
end
! ---
@ -1112,3 +1115,328 @@ END_PROVIDER
! ---
subroutine test_fit_coef_A1()
implicit none
integer :: i, j, k, l, ij, kl, ipoint
double precision :: t1, t2
double precision :: accu, norm, diff
double precision, allocatable :: A1(:,:)
double precision, allocatable :: A2(:,:,:,:), tmp(:,:,:)
! ---
allocate(A1(ao_num*ao_num,ao_num*ao_num))
call wall_time(t1)
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (i, j, k, l, ij, kl, ipoint) &
!$OMP SHARED (n_points_final_grid, ao_num, &
!$OMP final_weight_at_r_vector, aos_in_r_array_transp, A1)
!$OMP DO COLLAPSE(2)
do k = 1, ao_num
do l = 1, ao_num
kl = (k-1)*ao_num + l
do i = 1, ao_num
do j = 1, ao_num
ij = (i-1)*ao_num + j
A1(ij,kl) = 0.d0
do ipoint = 1, n_points_final_grid
A1(ij,kl) += final_weight_at_r_vector(ipoint) * aos_in_r_array_transp(ipoint,i) * aos_in_r_array_transp(ipoint,j) &
* aos_in_r_array_transp(ipoint,k) * aos_in_r_array_transp(ipoint,l)
enddo
enddo
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
call wall_time(t2)
print*, ' WALL TIME FOR A1 (min) =', (t2-t1)/60.d0
! ---
call wall_time(t1)
allocate(tmp(ao_num,ao_num,n_points_final_grid))
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (i, j, ipoint) &
!$OMP SHARED (n_points_final_grid, ao_num, final_weight_at_r_vector, aos_in_r_array_transp, tmp)
!$OMP DO COLLAPSE(2)
do j = 1, ao_num
do i = 1, ao_num
do ipoint = 1, n_points_final_grid
tmp(i,j,ipoint) = dsqrt(final_weight_at_r_vector(ipoint)) * aos_in_r_array_transp(ipoint,i) * aos_in_r_array_transp(ipoint,j)
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
allocate(A2(ao_num,ao_num,ao_num,ao_num))
call dgemm( "N", "T", ao_num*ao_num, ao_num*ao_num, n_points_final_grid, 1.d0 &
, tmp(1,1,1), ao_num*ao_num, tmp(1,1,1), ao_num*ao_num &
, 0.d0, A2(1,1,1,1), ao_num*ao_num)
deallocate(tmp)
call wall_time(t2)
print*, ' WALL TIME FOR A2 (min) =', (t2-t1)/60.d0
! ---
accu = 0.d0
norm = 0.d0
do k = 1, ao_num
do l = 1, ao_num
kl = (k-1)*ao_num + l
do i = 1, ao_num
do j = 1, ao_num
ij = (i-1)*ao_num + j
diff = dabs(A2(j,i,l,k) - A1(ij,kl))
if(diff .gt. 1d-10) then
print *, ' problem in A2 on:', i, i, l, k
print *, ' A1 :', A1(ij,kl)
print *, ' A2 :', A2(j,i,l,k)
stop
endif
accu += diff
norm += dabs(A1(ij,kl))
enddo
enddo
enddo
enddo
deallocate(A1, A2)
print*, ' accuracy (%) = ', 100.d0 * accu / norm
return
end
! ---
subroutine test_fit_coef_inv()
implicit none
integer :: i, j, k, l, ij, kl, ipoint
integer :: n_svd, info, lwork, mn
double precision :: t1, t2
double precision :: accu, norm, diff
double precision :: cutoff_svd
double precision, allocatable :: A1(:,:), A1_inv(:,:)
double precision, allocatable :: A2(:,:,:,:), tmp(:,:,:), A2_inv(:,:,:,:)
double precision, allocatable :: U(:,:), D(:), Vt(:,:), work(:), A2_tmp(:,:,:,:)
cutoff_svd = 5d-8
! ---
call wall_time(t1)
allocate(A1(ao_num*ao_num,ao_num*ao_num))
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (i, j, k, l, ij, kl, ipoint) &
!$OMP SHARED (n_points_final_grid, ao_num, &
!$OMP final_weight_at_r_vector, aos_in_r_array_transp, A1)
!$OMP DO COLLAPSE(2)
do k = 1, ao_num
do l = 1, ao_num
kl = (k-1)*ao_num + l
do i = 1, ao_num
do j = 1, ao_num
ij = (i-1)*ao_num + j
A1(ij,kl) = 0.d0
do ipoint = 1, n_points_final_grid
A1(ij,kl) += final_weight_at_r_vector(ipoint) * aos_in_r_array_transp(ipoint,i) * aos_in_r_array_transp(ipoint,j) &
* aos_in_r_array_transp(ipoint,k) * aos_in_r_array_transp(ipoint,l)
enddo
enddo
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
call wall_time(t2)
print*, ' WALL TIME FOR A1 (min) =', (t2-t1)/60.d0
allocate(A1_inv(ao_num*ao_num,ao_num*ao_num))
call get_pseudo_inverse(A1, ao_num*ao_num, ao_num*ao_num, ao_num*ao_num, A1_inv, ao_num*ao_num, cutoff_svd)
call wall_time(t1)
print*, ' WALL TIME FOR A1_inv (min) =', (t1-t2)/60.d0
! ---
call wall_time(t1)
allocate(tmp(ao_num,ao_num,n_points_final_grid))
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (i, j, ipoint) &
!$OMP SHARED (n_points_final_grid, ao_num, final_weight_at_r_vector, aos_in_r_array_transp, tmp)
!$OMP DO COLLAPSE(2)
do j = 1, ao_num
do i = 1, ao_num
do ipoint = 1, n_points_final_grid
tmp(i,j,ipoint) = dsqrt(final_weight_at_r_vector(ipoint)) * aos_in_r_array_transp(ipoint,i) * aos_in_r_array_transp(ipoint,j)
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
allocate(A2(ao_num,ao_num,ao_num,ao_num))
call dgemm( "N", "T", ao_num*ao_num, ao_num*ao_num, n_points_final_grid, 1.d0 &
, tmp(1,1,1), ao_num*ao_num, tmp(1,1,1), ao_num*ao_num &
, 0.d0, A2(1,1,1,1), ao_num*ao_num)
deallocate(tmp)
call wall_time(t2)
print*, ' WALL TIME FOR A2 (min) =', (t2-t1)/60.d0
allocate(A2_tmp(ao_num,ao_num,ao_num,ao_num))
A2_tmp = A2
allocate(A2_inv(ao_num,ao_num,ao_num,ao_num))
allocate(D(ao_num*ao_num), U(ao_num*ao_num,ao_num*ao_num), Vt(ao_num*ao_num,ao_num*ao_num))
allocate(work(1))
lwork = -1
call dgesvd( 'S', 'A', ao_num*ao_num, ao_num*ao_num, A2_tmp(1,1,1,1), ao_num*ao_num &
, D(1), U(1,1), ao_num*ao_num, Vt(1,1), ao_num*ao_num, work, lwork, info)
if(info /= 0) then
print *, info, ': SVD failed'
stop
endif
LWORK = max(5*ao_num*ao_num, int(WORK(1)))
deallocate(work)
allocate(work(lwork))
call dgesvd( 'S', 'A', ao_num*ao_num, ao_num*ao_num, A2_tmp(1,1,1,1), ao_num*ao_num &
, D(1), U(1,1), ao_num*ao_num, Vt(1,1), ao_num*ao_num, work, lwork, info)
if(info /= 0) then
print *, info, ':: SVD failed'
stop 1
endif
deallocate(A2_tmp)
deallocate(work)
n_svd = 0
do ij = 1, ao_num*ao_num
if(D(ij)/D(1) > cutoff_svd) then
D(ij) = 1.d0 / D(ij)
n_svd = n_svd + 1
else
D(ij) = 0.d0
endif
enddo
print*, ' n_svd = ', n_svd
!$OMP PARALLEL &
!$OMP DEFAULT (NONE) &
!$OMP PRIVATE (ij, kl) &
!$OMP SHARED (ao_num, n_svd, D, Vt)
!$OMP DO
do kl = 1, ao_num*ao_num
do ij = 1, n_svd
Vt(ij,kl) = Vt(ij,kl) * D(ij)
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
call dgemm( "N", "N", ao_num*ao_num, ao_num*ao_num, n_svd, 1.d0 &
, U(1,1), ao_num*ao_num, Vt(1,1), ao_num*ao_num &
, 0.d0, A2_inv(1,1,1,1), ao_num*ao_num)
deallocate(D, U, Vt)
call wall_time(t1)
print*, ' WALL TIME FOR A2_inv (min) =', (t1-t2)/60.d0
! ---
accu = 0.d0
norm = 0.d0
do k = 1, ao_num
do l = 1, ao_num
kl = (k-1)*ao_num + l
do i = 1, ao_num
do j = 1, ao_num
ij = (i-1)*ao_num + j
diff = dabs(A2(j,i,l,k) - A1(ij,kl))
if(diff .gt. 1d-10) then
print *, ' problem in A2 on:', i, i, l, k
print *, ' A1 :', A1(ij,kl)
print *, ' A2 :', A2(j,i,l,k)
stop
endif
accu += diff
norm += dabs(A1(ij,kl))
enddo
enddo
enddo
enddo
print*, ' accuracy on A (%) = ', 100.d0 * accu / norm
accu = 0.d0
norm = 0.d0
do k = 1, ao_num
do l = 1, ao_num
kl = (k-1)*ao_num + l
do i = 1, ao_num
do j = 1, ao_num
ij = (i-1)*ao_num + j
diff = dabs(A2_inv(j,i,l,k) - A1_inv(ij,kl))
!if(diff .gt. cutoff_svd) then
! print *, ' problem in A2_inv on:', i, i, l, k
! print *, ' A1_inv :', A1_inv(ij,kl)
! print *, ' A2_inv :', A2_inv(j,i,l,k)
! stop
!endif
accu += diff
norm += dabs(A1_inv(ij,kl))
enddo
enddo
enddo
enddo
deallocate(A1_inv, A2_inv)
deallocate(A1, A2)
print*, ' accuracy on A_inv (%) = ', 100.d0 * accu / norm
return
end
! ---

View File

@ -55,7 +55,7 @@ END_PROVIDER
do j = 1, nucl_num
do i = 1, n_points_radial_grid -1
do k = 1, n_points_integration_angular
if(dabs(final_weight_at_r(k,i,j)) < thresh_grid)then
if(dabs(final_weight_at_r(k,i,j)) < thresh_grid) then
cycle
endif
i_count += 1
@ -67,6 +67,13 @@ END_PROVIDER
index_final_points(2,i_count) = i
index_final_points(3,i_count) = j
index_final_points_reverse(k,i,j) = i_count
if(final_weight_at_r_vector(i_count) .lt. 0.d0) then
print *, ' !!! WARNING !!!'
print *, ' negative weight !!!!'
print *, i_count, final_weight_at_r_vector(i_count)
stop
endif
enddo
enddo
enddo