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QuantumPackage/plugins/local/tc_progs/select_dets_bi_ortho.irp.f
2024-05-07 18:27:09 +02:00

75 lines
1.5 KiB
Fortran

! ---
program select_dets_bi_ortho()
BEGIN_DOC
! TODO : Put the documentation of the program here
END_DOC
implicit none
print *, 'Hello world'
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
read_wf = .True.
touch read_wf
!!!!!!!!!!!!!!! WARNING NO 3-BODY
!!!!!!!!!!!!!!! WARNING NO 3-BODY
three_body_h_tc = .False.
touch three_body_h_tc
!!!!!!!!!!!!!!! WARNING NO 3-BODY
!!!!!!!!!!!!!!! WARNING NO 3-BODY
call routine_test
! call test
end
! ---
subroutine routine_test
implicit none
use bitmasks ! you need to include the bitmasks_module.f90 features
integer :: i,n_good,degree
integer(bit_kind), allocatable :: dets(:,:,:)
integer, allocatable :: iorder(:)
double precision, allocatable :: coef(:),coef_new(:,:)
double precision :: thr
allocate(coef(N_det), iorder(N_det))
do i = 1, N_det
iorder(i) = i
call get_excitation_degree(HF_bitmask,psi_det(1,1,i),degree,N_int)
if(degree==1)then
coef(i) = -0.5d0
else
coef(i) = -dabs(coef_pt1_bi_ortho(i))
endif
enddo
call dsort(coef,iorder,N_det)
!thr = save_threshold
thr = 1d-15
n_good = 0
do i = 1, N_det
if(dabs(coef(i)).gt.thr)then
n_good += 1
endif
enddo
print*,'n_good = ',n_good
allocate(dets(N_int,2,n_good),coef_new(n_good,n_states))
do i = 1, n_good
dets(:,:,i) = psi_det(:,:,iorder(i))
coef_new(i,:) = psi_coef(iorder(i),:)
enddo
call save_wavefunction_general(n_good,n_states,dets,n_good,coef_new)
end
! ---