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qp2/plugins/local/tc_bi_ortho/test_s2_tc.irp.f

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Fortran
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! ---
program test_tc
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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
read_wf = .True.
touch read_wf
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call provide_all_three_ints_bi_ortho()
call routine_h_triple_left
call routine_h_triple_right
! call routine_test_s2_davidson
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end
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subroutine routine_h_triple_right
implicit none
logical :: do_right
integer :: sze ,i, N_st, j
double precision :: sij, accu_e, accu_s, accu_e_0, accu_s_0
double precision, allocatable :: v_0_ref(:,:),u_0(:,:),s_0_ref(:,:)
double precision, allocatable :: v_0_new(:,:),s_0_new(:,:)
sze = N_det
N_st = 1
allocate(v_0_ref(N_det,1),u_0(N_det,1),s_0_ref(N_det,1),s_0_new(N_det,1),v_0_new(N_det,1))
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print*,'Checking first the Right '
do i = 1, sze
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u_0(i,1) = psi_r_coef_bi_ortho(i,1)
enddo
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double precision :: wall0,wall1
call wall_time(wall0)
call H_tc_s2_u_0_with_pure_three_omp(v_0_ref,s_0_ref, u_0,N_st,sze)
call wall_time(wall1)
print*,'time for omp',wall1 - wall0
call wall_time(wall0)
call H_tc_s2_u_0_with_pure_three(v_0_new, s_0_new, u_0, N_st, sze)
call wall_time(wall1)
print*,'time serial ',wall1 - wall0
accu_e = 0.d0
accu_s = 0.d0
do i = 1, sze
accu_e += dabs(v_0_ref(i,1) - v_0_new(i,1))
accu_s += dabs(s_0_ref(i,1) - s_0_new(i,1))
enddo
print*,'accu_e = ',accu_e
print*,'accu_s = ',accu_s
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end
subroutine routine_h_triple_left
implicit none
logical :: do_right
integer :: sze ,i, N_st, j
double precision :: sij, accu_e, accu_s, accu_e_0, accu_s_0
double precision, allocatable :: v_0_ref(:,:),u_0(:,:),s_0_ref(:,:)
double precision, allocatable :: v_0_new(:,:),s_0_new(:,:)
sze = N_det
N_st = 1
allocate(v_0_ref(N_det,1),u_0(N_det,1),s_0_ref(N_det,1),s_0_new(N_det,1),v_0_new(N_det,1))
print*,'Checking the Left '
do i = 1, sze
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u_0(i,1) = psi_l_coef_bi_ortho(i,1)
enddo
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double precision :: wall0,wall1
call wall_time(wall0)
call H_tc_s2_dagger_u_0_with_pure_three_omp(v_0_ref,s_0_ref, u_0,N_st,sze)
call wall_time(wall1)
print*,'time for omp',wall1 - wall0
call wall_time(wall0)
call H_tc_s2_dagger_u_0_with_pure_three(v_0_new, s_0_new, u_0, N_st, sze)
call wall_time(wall1)
print*,'time serial ',wall1 - wall0
accu_e = 0.d0
accu_s = 0.d0
do i = 1, sze
accu_e += dabs(v_0_ref(i,1) - v_0_new(i,1))
accu_s += dabs(s_0_ref(i,1) - s_0_new(i,1))
enddo
print*,'accu_e = ',accu_e
print*,'accu_s = ',accu_s
end
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subroutine routine_test_s2_davidson
implicit none
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double precision, allocatable :: H_jj(:),vec_tmp(:,:), energies(:) , s2(:)
integer :: i,istate
logical :: converged
external H_tc_s2_dagger_u_0_opt
external H_tc_s2_u_0_opt
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allocate(H_jj(N_det),vec_tmp(N_det,n_states_diag),energies(n_states_diag), s2(n_states_diag))
do i = 1, N_det
call htilde_mu_mat_bi_ortho_tot_slow(psi_det(1,1,i), psi_det(1,1,i), N_int, H_jj(i))
enddo
! Preparing the left-eigenvector
print*,'Computing the left-eigenvector '
vec_tmp = 0.d0
do istate = 1, N_states
vec_tmp(1:N_det,istate) = psi_l_coef_bi_ortho(1:N_det,istate)
enddo
do istate = N_states+1, n_states_diag
vec_tmp(istate,istate) = 1.d0
enddo
do istate = 1, N_states
leigvec_tc_bi_orth(1:N_det,istate) = vec_tmp(1:N_det,istate)
enddo
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integer :: n_it_max
n_it_max = 1
call davidson_hs2_nonsym_b1space(vec_tmp, H_jj, s2, energies, N_det, n_states, n_states_diag, n_it_max, converged, H_tc_s2_dagger_u_0_opt)
double precision, allocatable :: v_0_new(:,:),s_0_new(:,:)
integer :: sze,N_st
logical :: do_right
sze = N_det
N_st = 1
do_right = .False.
allocate(s_0_new(N_det,1),v_0_new(N_det,1))
call H_tc_s2_u_0_nstates_openmp(v_0_new,s_0_new,vec_tmp,N_st,sze, do_right)
double precision :: accu_e_0, accu_s_0
accu_e_0 = 0.d0
accu_s_0 = 0.d0
do i = 1, sze
accu_e_0 += v_0_new(i,1) * vec_tmp(i,1)
accu_s_0 += s_0_new(i,1) * vec_tmp(i,1)
enddo
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print*,'energies = ',energies
print*,'s2 = ',s2
print*,'accu_e_0',accu_e_0
print*,'accu_s_0',accu_s_0
! Preparing the right-eigenvector
print*,'Computing the right-eigenvector '
vec_tmp = 0.d0
do istate = 1, N_states
vec_tmp(1:N_det,istate) = psi_r_coef_bi_ortho(1:N_det,istate)
enddo
do istate = N_states+1, n_states_diag
vec_tmp(istate,istate) = 1.d0
enddo
do istate = 1, N_states
leigvec_tc_bi_orth(1:N_det,istate) = vec_tmp(1:N_det,istate)
enddo
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n_it_max = 1
call davidson_hs2_nonsym_b1space(vec_tmp, H_jj, s2, energies, N_det, n_states, n_states_diag, n_it_max, converged, H_tc_s2_u_0_opt)
sze = N_det
N_st = 1
do_right = .True.
v_0_new = 0.d0
s_0_new = 0.d0
call H_tc_s2_u_0_nstates_openmp(v_0_new,s_0_new,vec_tmp,N_st,sze, do_right)
accu_e_0 = 0.d0
accu_s_0 = 0.d0
do i = 1, sze
accu_e_0 += v_0_new(i,1) * vec_tmp(i,1)
accu_s_0 += s_0_new(i,1) * vec_tmp(i,1)
enddo
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print*,'energies = ',energies
print*,'s2 = ',s2
print*,'accu_e_0',accu_e_0
print*,'accu_s_0',accu_s_0
end