2023-02-07 17:07:49 +01:00
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program print_tc_bi_ortho
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implicit none
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BEGIN_DOC
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! TODO : Put the documentation of the program here
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END_DOC
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print *, 'Hello world'
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my_grid_becke = .True.
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my_n_pt_r_grid = 30
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my_n_pt_a_grid = 50
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read_wf = .True.
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touch read_wf
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touch my_grid_becke my_n_pt_r_grid my_n_pt_a_grid
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! if(three_body_h_tc)then
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! call provide_all_three_ints_bi_ortho
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! endif
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! call routine
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call write_l_r_wf
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end
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subroutine write_l_r_wf
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implicit none
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character*(128) :: output
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integer :: i_unit_output,getUnitAndOpen
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output=trim(ezfio_filename)//'.tc_wf'
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i_unit_output = getUnitAndOpen(output,'w')
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integer :: i
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print*,'Writing the left-right wf'
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do i = 1, N_det
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2023-05-02 21:47:29 +02:00
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write(i_unit_output,*)i, psi_l_coef_sorted_bi_ortho_left(i)/psi_l_coef_sorted_bi_ortho_left(1) &
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, psi_r_coef_sorted_bi_ortho_right(i)/psi_r_coef_sorted_bi_ortho_right(1)
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2023-02-07 17:07:49 +01:00
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enddo
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end
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subroutine routine
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implicit none
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integer :: i,degree
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integer :: exc(0:2,2,2),h1,p1,s1,h2,p2,s2
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double precision :: hmono,htwoe,hthree,htilde_ij,coef_pt1,e_i0,delta_e,e_pt2
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double precision :: contrib_pt,e_corr,coef,contrib,phase
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double precision :: accu_positive,accu_positive_pt, accu_positive_core,accu_positive_core_pt
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e_pt2 = 0.d0
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accu_positive = 0.D0
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accu_positive_pt = 0.D0
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accu_positive_core = 0.d0
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accu_positive_core_pt = 0.d0
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do i = 1, N_det
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call get_excitation_degree(HF_bitmask,psi_det(1,1,i),degree,N_int)
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if(degree == 1 .or. degree == 2)then
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call htilde_mu_mat_bi_ortho(psi_det(1,1,i),HF_bitmask,N_int,hmono,htwoe,hthree,htilde_ij)
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call htilde_mu_mat_bi_ortho(psi_det(1,1,i),psi_det(1,1,i),N_int,hmono,htwoe,hthree,e_i0)
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delta_e = e_tilde_00 - e_i0
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coef_pt1 = htilde_ij / delta_e
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call htilde_mu_mat_bi_ortho(HF_bitmask,psi_det(1,1,i),N_int,hmono,htwoe,hthree,htilde_ij)
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contrib_pt = coef_pt1 * htilde_ij
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e_pt2 += contrib_pt
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coef = psi_r_coef_bi_ortho(i,1)/psi_r_coef_bi_ortho(1,1)
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contrib = coef * htilde_ij
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e_corr += contrib
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call get_excitation(HF_bitmask,psi_det(1,1,i),exc,degree,phase,N_int)
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call decode_exc(exc,degree,h1,p1,h2,p2,s1,s2)
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print*,'*********'
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if(degree==1)then
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print*,'s1',s1
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print*,'h1,p1 = ',h1,p1
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else if(degree ==2)then
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print*,'s1',s1
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print*,'h1,p1 = ',h1,p1
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print*,'s2',s2
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print*,'h2,p2 = ',h2,p2
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endif
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print*,'coef_pt1 = ',coef_pt1
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print*,'coef = ',coef
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print*,'contrib_pt ',contrib_pt
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print*,'contrib = ',contrib
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if(contrib.gt.0.d0)then
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accu_positive += contrib
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if(h1==1.or.h2==1)then
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accu_positive_core += contrib
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endif
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if(dabs(contrib).gt.1.d-5)then
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print*,'Found a positive contribution to correlation energy !!'
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endif
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endif
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if(contrib_pt.gt.0.d0)then
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accu_positive_pt += contrib_pt
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if(h2==1.or.h1==1)then
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accu_positive_core_pt += contrib_pt
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endif
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endif
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endif
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enddo
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print*,''
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print*,''
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print*,'Total correlation energy = ',e_corr
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print*,'Total correlation energy PT = ',e_pt2
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print*,'Positive contribution to ecorr = ',accu_positive
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print*,'Positive contribution to ecorr PT = ',accu_positive_pt
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print*,'Pure core contribution = ',accu_positive_core
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print*,'Pure core contribution PT = ',accu_positive_core_pt
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end
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