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qp2/src/two_body_rdm/example.irp.f

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9.9 KiB
Fortran
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2020-03-22 17:15:39 +01:00
subroutine routine_active_only
implicit none
integer :: i,j,k,l,iorb,jorb,korb,lorb,istate
BEGIN_DOC
! This routine computes the two electron repulsion within the active space using various providers
!
END_DOC
double precision :: vijkl,get_two_e_integral
double precision :: wee_ab(N_states),rdmab
double precision :: wee_bb(N_states),rdmbb
double precision :: wee_aa(N_states),rdmaa
double precision :: wee_tot(N_states),rdmtot
double precision :: wee_aa_st_av, rdm_aa_st_av
double precision :: wee_bb_st_av, rdm_bb_st_av
double precision :: wee_ab_st_av, rdm_ab_st_av
double precision :: wee_tot_st_av, rdm_tot_st_av
double precision :: wee_aa_st_av_2,wee_ab_st_av_2,wee_bb_st_av_2,wee_tot_st_av_2,wee_tot_st_av_3
wee_ab = 0.d0
wee_bb = 0.d0
wee_aa = 0.d0
wee_tot = 0.d0
wee_aa_st_av_2 = 0.d0
wee_bb_st_av_2 = 0.d0
wee_ab_st_av_2 = 0.d0
wee_tot_st_av_2 = 0.d0
wee_tot_st_av_3 = 0.d0
iorb = 1
jorb = 1
korb = 1
lorb = 1
vijkl = get_two_e_integral(lorb,korb,jorb,iorb,mo_integrals_map)
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provide act_2_rdm_ab_mo act_2_rdm_aa_mo act_2_rdm_bb_mo act_2_rdm_spin_trace_mo
provide state_av_act_2_rdm_ab_mo state_av_act_2_rdm_aa_mo
provide state_av_act_2_rdm_bb_mo state_av_act_2_rdm_spin_trace_mo
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print*,'**************************'
print*,'**************************'
do istate = 1, N_states
!! PURE ACTIVE PART
!!
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_act_orb
korb = list_act(k)
do l = 1, n_act_orb
lorb = list_act(l)
vijkl = get_two_e_integral(lorb,korb,jorb,iorb,mo_integrals_map)
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rdmab = act_2_rdm_ab_mo(l,k,j,i,istate)
rdmaa = act_2_rdm_aa_mo(l,k,j,i,istate)
rdmbb = act_2_rdm_bb_mo(l,k,j,i,istate)
rdmtot = act_2_rdm_spin_trace_mo(l,k,j,i,istate)
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wee_ab(istate) += vijkl * rdmab
wee_aa(istate) += vijkl * rdmaa
wee_bb(istate) += vijkl * rdmbb
wee_tot(istate) += vijkl * rdmtot
enddo
enddo
enddo
enddo
wee_aa_st_av_2 += wee_aa(istate) * state_average_weight(istate)
wee_bb_st_av_2 += wee_aa(istate) * state_average_weight(istate)
wee_ab_st_av_2 += wee_aa(istate) * state_average_weight(istate)
wee_tot_st_av_2 += wee_tot(istate) * state_average_weight(istate)
wee_tot_st_av_3 += psi_energy_two_e(istate) * state_average_weight(istate)
print*,''
print*,''
print*,'Active space only energy for state ',istate
print*,'wee_aa(istate) = ',wee_aa(istate)
print*,'wee_bb(istate) = ',wee_bb(istate)
print*,'wee_ab(istate) = ',wee_ab(istate)
print*,''
print*,'sum (istate) = ',wee_aa(istate) + wee_bb(istate) + wee_ab(istate)
print*,'wee_tot = ',wee_tot(istate)
print*,'Full energy '
print*,'psi_energy_two_e(istate)= ',psi_energy_two_e(istate)
enddo
wee_aa_st_av = 0.d0
wee_bb_st_av = 0.d0
wee_ab_st_av = 0.d0
wee_tot_st_av = 0.d0
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_act_orb
korb = list_act(k)
do l = 1, n_act_orb
lorb = list_act(l)
vijkl = get_two_e_integral(lorb,korb,jorb,iorb,mo_integrals_map)
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rdm_aa_st_av = state_av_act_2_rdm_aa_mo(l,k,j,i)
rdm_bb_st_av = state_av_act_2_rdm_bb_mo(l,k,j,i)
rdm_ab_st_av = state_av_act_2_rdm_ab_mo(l,k,j,i)
rdm_tot_st_av = state_av_act_2_rdm_spin_trace_mo(l,k,j,i)
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wee_aa_st_av += vijkl * rdm_aa_st_av
wee_bb_st_av += vijkl * rdm_bb_st_av
wee_ab_st_av += vijkl * rdm_ab_st_av
wee_tot_st_av += vijkl * rdm_tot_st_av
enddo
enddo
enddo
enddo
print*,''
print*,''
print*,''
print*,'STATE AVERAGE ENERGY '
print*,'Active space only energy for state ',istate
print*,'wee_aa_st_av = ',wee_aa_st_av
print*,'wee_aa_st_av_2 = ',wee_aa_st_av_2
print*,'wee_bb_st_av = ',wee_bb_st_av
print*,'wee_bb_st_av_2 = ',wee_bb_st_av_2
print*,'wee_ab_st_av = ',wee_ab_st_av
print*,'wee_ab_st_av_2 = ',wee_ab_st_av_2
print*,'Sum of components = ',wee_aa_st_av+wee_bb_st_av+wee_ab_st_av
print*,'Sum of components_2 = ',wee_aa_st_av_2+wee_bb_st_av_2+wee_ab_st_av_2
print*,''
print*,'Full energy '
print*,'wee_tot_st_av = ',wee_tot_st_av
print*,'wee_tot_st_av_2 = ',wee_tot_st_av_2
print*,'wee_tot_st_av_3 = ',wee_tot_st_av_3
end
subroutine routine_full_mos
implicit none
integer :: i,j,k,l,iorb,jorb,korb,lorb,istate
BEGIN_DOC
! This routine computes the two electron repulsion using various providers
!
END_DOC
double precision :: vijkl,rdmaa,get_two_e_integral,rdmab,rdmbb,rdmtot
double precision :: wee_aa(N_states),wee_bb(N_states),wee_ab(N_states),wee_tot(N_states)
double precision :: wee_aa_st_av, rdm_aa_st_av
double precision :: wee_bb_st_av, rdm_bb_st_av
double precision :: wee_ab_st_av, rdm_ab_st_av
double precision :: wee_tot_st_av, rdm_tot_st_av
double precision :: wee_aa_st_av_2,wee_ab_st_av_2,wee_bb_st_av_2,wee_tot_st_av_2,wee_tot_st_av_3
double precision :: aa_norm(N_states),bb_norm(N_states),ab_norm(N_states),tot_norm(N_states)
aa_norm = 0.d0
bb_norm = 0.d0
ab_norm = 0.d0
tot_norm = 0.d0
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wee_aa = 0.d0
wee_ab = 0.d0
wee_bb = 0.d0
wee_tot = 0.d0
wee_aa_st_av_2 = 0.d0
wee_bb_st_av_2 = 0.d0
wee_ab_st_av_2 = 0.d0
wee_tot_st_av_2 = 0.d0
wee_tot_st_av_3 = 0.d0
iorb = 1
jorb = 1
korb = 1
lorb = 1
vijkl = get_two_e_integral(lorb,korb,jorb,iorb,mo_integrals_map)
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provide full_occ_2_rdm_ab_mo full_occ_2_rdm_aa_mo full_occ_2_rdm_bb_mo full_occ_2_rdm_spin_trace_mo
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print*,'**************************'
print*,'**************************'
do istate = 1, N_states
do i = 1, n_core_inact_act_orb
iorb = list_core_inact_act(i)
do j = 1, n_core_inact_act_orb
jorb = list_core_inact_act(j)
do k = 1, n_core_inact_act_orb
korb = list_core_inact_act(k)
do l = 1, n_core_inact_act_orb
lorb = list_core_inact_act(l)
vijkl = get_two_e_integral(lorb,korb,jorb,iorb,mo_integrals_map)
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rdmaa = full_occ_2_rdm_aa_mo(l,k,j,i,istate)
rdmab = full_occ_2_rdm_ab_mo(l,k,j,i,istate)
rdmbb = full_occ_2_rdm_bb_mo(l,k,j,i,istate)
rdmtot = full_occ_2_rdm_spin_trace_mo(l,k,j,i,istate)
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wee_ab(istate) += vijkl * rdmab
wee_aa(istate) += vijkl * rdmaa
wee_bb(istate) += vijkl * rdmbb
wee_tot(istate)+= vijkl * rdmtot
enddo
enddo
aa_norm(istate) += full_occ_2_rdm_aa_mo(j,i,j,i,istate)
bb_norm(istate) += full_occ_2_rdm_bb_mo(j,i,j,i,istate)
ab_norm(istate) += full_occ_2_rdm_ab_mo(j,i,j,i,istate)
tot_norm(istate)+= full_occ_2_rdm_spin_trace_mo(j,i,j,i,istate)
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enddo
enddo
wee_aa_st_av_2 += wee_aa(istate) * state_average_weight(istate)
wee_bb_st_av_2 += wee_bb(istate) * state_average_weight(istate)
wee_ab_st_av_2 += wee_ab(istate) * state_average_weight(istate)
wee_tot_st_av_2 += wee_tot(istate) * state_average_weight(istate)
wee_tot_st_av_3 += psi_energy_two_e(istate) * state_average_weight(istate)
print*,''
print*,''
print*,'Full energy for state ',istate
print*,'wee_aa(istate) = ',wee_aa(istate)
print*,'wee_bb(istate) = ',wee_bb(istate)
print*,'wee_ab(istate) = ',wee_ab(istate)
print*,''
print*,'sum (istate) = ',wee_aa(istate) + wee_bb(istate) + wee_ab(istate)
print*,'wee_tot(istate) = ',wee_tot(istate)
print*,'psi_energy_two_e(istate)= ',psi_energy_two_e(istate)
print*,''
print*,'Normalization of two-rdms '
print*,''
print*,'aa_norm(istate) = ',aa_norm(istate)
print*,'N_alpha(N_alpha-1)/2 = ',elec_num_tab(1) * (elec_num_tab(1) - 1)/2
print*,''
print*,'bb_norm(istate) = ',bb_norm(istate)
print*,'N_alpha(N_alpha-1)/2 = ',elec_num_tab(2) * (elec_num_tab(2) - 1)/2
print*,''
print*,'ab_norm(istate) = ',ab_norm(istate)
print*,'N_alpha * N_beta = ',elec_num_tab(1) * elec_num_tab(2)
print*,''
print*,'tot_norm(istate) = ',tot_norm(istate)
print*,'N(N-1)/2 = ',elec_num*(elec_num - 1)/2
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enddo
wee_aa_st_av = 0.d0
wee_bb_st_av = 0.d0
wee_ab_st_av = 0.d0
wee_tot_st_av = 0.d0
do i = 1, n_core_inact_act_orb
iorb = list_core_inact_act(i)
do j = 1, n_core_inact_act_orb
jorb = list_core_inact_act(j)
do k = 1, n_core_inact_act_orb
korb = list_core_inact_act(k)
do l = 1, n_core_inact_act_orb
lorb = list_core_inact_act(l)
vijkl = get_two_e_integral(lorb,korb,jorb,iorb,mo_integrals_map)
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rdm_aa_st_av = state_av_full_occ_2_rdm_aa_mo(l,k,j,i)
rdm_bb_st_av = state_av_full_occ_2_rdm_bb_mo(l,k,j,i)
rdm_ab_st_av = state_av_full_occ_2_rdm_ab_mo(l,k,j,i)
rdm_tot_st_av = state_av_full_occ_2_rdm_spin_trace_mo(l,k,j,i)
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wee_aa_st_av += vijkl * rdm_aa_st_av
wee_bb_st_av += vijkl * rdm_bb_st_av
wee_ab_st_av += vijkl * rdm_ab_st_av
wee_tot_st_av += vijkl * rdm_tot_st_av
enddo
enddo
enddo
enddo
print*,''
print*,''
print*,''
print*,'STATE AVERAGE ENERGY '
print*,'wee_aa_st_av = ',wee_aa_st_av
print*,'wee_aa_st_av_2 = ',wee_aa_st_av_2
print*,'wee_bb_st_av = ',wee_bb_st_av
print*,'wee_bb_st_av_2 = ',wee_bb_st_av_2
print*,'wee_ab_st_av = ',wee_ab_st_av
print*,'wee_ab_st_av_2 = ',wee_ab_st_av_2
print*,'Sum of components = ',wee_aa_st_av + wee_bb_st_av + wee_ab_st_av
print*,'Sum of components_2 = ',wee_aa_st_av_2 + wee_bb_st_av_2 + wee_ab_st_av_2
print*,''
print*,'Full energy '
print*,'wee_tot_st_av = ',wee_tot_st_av
print*,'wee_tot_st_av_2 = ',wee_tot_st_av_2
print*,'wee_tot_st_av_3 = ',wee_tot_st_av_3
end
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