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noL tested for Ne and O

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This commit is contained in:
AbdAmmar 2023-09-16 00:28:18 +02:00
parent 9c60649457
commit babf1c0da4
13 changed files with 409 additions and 299 deletions
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66
src/bi_ort_ints/no_dressing_energy.irp.f Normal file
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@ -0,0 +1,66 @@
! ---
BEGIN_PROVIDER [double precision, energy_1e_noL_HF]
implicit none
integer :: i
PROVIDE mo_bi_ortho_tc_one_e
energy_1e_noL_HF = 0.d0
do i = 1, elec_beta_num
energy_1e_noL_HF += mo_bi_ortho_tc_one_e(i,i)
enddo
do i = 1, elec_alpha_num
energy_1e_noL_HF += mo_bi_ortho_tc_one_e(i,i)
enddo
print*, "energy_1e_noL_HF = ", energy_1e_noL_HF
END_PROVIDER
! ---
BEGIN_PROVIDER [double precision, energy_2e_noL_HF]
implicit none
integer :: i, j
PROVIDE mo_bi_ortho_tc_two_e
energy_2e_noL_HF = 0.d0
! down-down & down-down
do i = 1, elec_beta_num
do j = 1, elec_beta_num
energy_2e_noL_HF += (mo_bi_ortho_tc_two_e(i,j,i,j) - mo_bi_ortho_tc_two_e(j,i,i,j))
enddo
enddo
! down-down & up-up
do i = 1, elec_beta_num
do j = 1, elec_alpha_num
energy_2e_noL_HF += mo_bi_ortho_tc_two_e(i,j,i,j)
enddo
enddo
! up-up & down-down
do i = 1, elec_alpha_num
do j = 1, elec_beta_num
energy_2e_noL_HF += mo_bi_ortho_tc_two_e(i,j,i,j)
enddo
enddo
! up-up & up-up
do i = 1, elec_alpha_num
do j = 1, elec_alpha_num
energy_2e_noL_HF += (mo_bi_ortho_tc_two_e(i,j,i,j) - mo_bi_ortho_tc_two_e(j,i,i,j))
enddo
enddo
! 0.5 x is in the Slater-Condon rules and not in the integrals
energy_2e_noL_HF = 0.5d0 * energy_2e_noL_HF
print*, "energy_2e_noL_HF = ", energy_2e_noL_HF
END_PROVIDER
! ---

20
src/bi_ort_ints/no_dressing_naive.irp.f
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@ -89,7 +89,7 @@ BEGIN_PROVIDER [double precision, noL_0e_naive]
!$OMP END DO
!$OMP END PARALLEL
noL_0e_naive = -1.d0 * (-sum(tmp)) / 6.d0
noL_0e_naive = -1.d0 * (sum(tmp)) / 6.d0
deallocate(tmp)
@ -182,9 +182,8 @@ BEGIN_PROVIDER [double precision, noL_1e_naive, (mo_num, mo_num)]
, j, sigma_j, s, sigma_s, i, sigma_i &
, I_pij_jsi)
! x (-1) because integrals are over -L
! x 0.5 because we consider 0.5 (up + down)
noL_1e_naive(p,s) = noL_1e_naive(p,s) + 0.25d0 * (I_pij_sji - I_pij_sij + I_pij_jis - I_pij_ijs + I_pij_isj - I_pij_jsi)
noL_1e_naive(p,s) = noL_1e_naive(p,s) - 0.25d0 * (I_pij_sji - I_pij_sij + I_pij_jis - I_pij_ijs + I_pij_isj - I_pij_jsi)
enddo ! j
enddo ! i
enddo ! s
@ -254,9 +253,8 @@ BEGIN_PROVIDER [double precision, noL_1e_naive, (mo_num, mo_num)]
, j, sigma_j, s, sigma_s, i, sigma_i &
, I_pij_jsi)
! x (-1) because integrals are over -L
! x 0.5 because we consider 0.5 (up + down)
noL_1e_naive(p,s) = noL_1e_naive(p,s) + 0.25d0 * (I_pij_sji - I_pij_sij + I_pij_jis - I_pij_ijs + I_pij_isj - I_pij_jsi)
noL_1e_naive(p,s) = noL_1e_naive(p,s) - 0.25d0 * (I_pij_sji - I_pij_sij + I_pij_jis - I_pij_ijs + I_pij_isj - I_pij_jsi)
enddo ! j
enddo ! i
enddo ! s
@ -335,9 +333,8 @@ BEGIN_PROVIDER [double precision, noL_2e_naive, (mo_num, mo_num, mo_num, mo_num)
, t, sigma_t, s, sigma_s, i, sigma_i &
, I_ipq_tsi)
! x (-1) because integrals are over -L
! x 0.25 because we consider 0.25 (up-up + up-down + down-up + down-down)
noL_2e_naive(p,q,s,t) = noL_2e_naive(p,q,s,t) + 0.125d0 * (I_ipq_ist - I_ipq_sit - I_ipq_tsi)
noL_2e_naive(p,q,s,t) = noL_2e_naive(p,q,s,t) - 0.125d0 * (I_ipq_ist - I_ipq_sit - I_ipq_tsi)
enddo ! i
enddo ! p
enddo ! q
@ -389,9 +386,8 @@ BEGIN_PROVIDER [double precision, noL_2e_naive, (mo_num, mo_num, mo_num, mo_num)
, t, sigma_t, s, sigma_s, i, sigma_i &
, I_ipq_tsi)
! x (-1) because integrals are over -L
! x 0.25 because we consider 0.25 (up-up + up-down + down-up + down-down)
noL_2e_naive(p,q,s,t) = noL_2e_naive(p,q,s,t) + 0.125d0 * (I_ipq_ist - I_ipq_sit - I_ipq_tsi)
noL_2e_naive(p,q,s,t) = noL_2e_naive(p,q,s,t) - 0.125d0 * (I_ipq_ist - I_ipq_sit - I_ipq_tsi)
enddo ! i
enddo ! p
enddo ! q
@ -443,9 +439,8 @@ BEGIN_PROVIDER [double precision, noL_2e_naive, (mo_num, mo_num, mo_num, mo_num)
, t, sigma_t, s, sigma_s, i, sigma_i &
, I_ipq_tsi)
! x (-1) because integrals are over -L
! x 0.25 because we consider 0.25 (up-up + up-down + down-up + down-down)
noL_2e_naive(p,q,s,t) = noL_2e_naive(p,q,s,t) + 0.125d0 * (I_ipq_ist - I_ipq_sit - I_ipq_tsi)
noL_2e_naive(p,q,s,t) = noL_2e_naive(p,q,s,t) - 0.125d0 * (I_ipq_ist - I_ipq_sit - I_ipq_tsi)
enddo ! i
enddo ! p
enddo ! q
@ -497,9 +492,8 @@ BEGIN_PROVIDER [double precision, noL_2e_naive, (mo_num, mo_num, mo_num, mo_num)
, t, sigma_t, s, sigma_s, i, sigma_i &
, I_ipq_tsi)
! x (-1) because integrals are over -L
! x 0.25 because we consider 0.25 (up-up + up-down + down-up + down-down)
noL_2e_naive(p,q,s,t) = noL_2e_naive(p,q,s,t) + 0.125d0 * (I_ipq_ist - I_ipq_sit - I_ipq_tsi)
noL_2e_naive(p,q,s,t) = noL_2e_naive(p,q,s,t) - 0.125d0 * (I_ipq_ist - I_ipq_sit - I_ipq_tsi)
enddo ! i
enddo ! p
enddo ! q

30
src/bi_ort_ints/no_dressing_v0.irp.f
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@ -40,7 +40,7 @@ BEGIN_PROVIDER [double precision, noL_0e]
!$OMP END DO
!$OMP END PARALLEL
noL_0e = -1.d0 * (-sum(tmp)) / 6.d0
noL_0e = -1.d0 * (sum(tmp)) / 6.d0
deallocate(tmp)
@ -114,7 +114,7 @@ BEGIN_PROVIDER [double precision, noL_0e]
!$OMP END DO
!$OMP END PARALLEL
noL_0e = -1.d0 * (-sum(tmp)) / 6.d0
noL_0e = -1.d0 * (sum(tmp)) / 6.d0
deallocate(tmp)
@ -131,12 +131,6 @@ END_PROVIDER
BEGIN_PROVIDER [double precision, noL_1e, (mo_num, mo_num)]
BEGIN_DOC
!
! x (-1) because integrals are over -L
!
END_DOC
implicit none
integer :: p, s, i, j
double precision :: I_pij_sij, I_pij_isj, I_pij_ijs, I_pij_sji, I_pij_jsi, I_pij_jis
@ -167,7 +161,7 @@ BEGIN_PROVIDER [double precision, noL_1e, (mo_num, mo_num)]
call give_integrals_3_body_bi_ort(p, i, j, i, j, s, I_pij_ijs)
call give_integrals_3_body_bi_ort(p, i, j, s, j, i, I_pij_sji)
noL_1e(p,s) = noL_1e(p,s) - (2.d0*I_pij_sij - 2.d0*I_pij_isj + I_pij_ijs - I_pij_sji)
noL_1e(p,s) = noL_1e(p,s) + (2.d0*I_pij_sij - 2.d0*I_pij_isj + I_pij_ijs - I_pij_sji)
enddo
enddo
enddo
@ -197,7 +191,7 @@ BEGIN_PROVIDER [double precision, noL_1e, (mo_num, mo_num)]
call give_integrals_3_body_bi_ort(p, i, j, i, j, s, I_pij_ijs)
call give_integrals_3_body_bi_ort(p, i, j, s, j, i, I_pij_sji)
noL_1e(p,s) = noL_1e(p,s) - (2.d0*I_pij_sij - 2.d0*I_pij_isj + I_pij_ijs - I_pij_sji)
noL_1e(p,s) = noL_1e(p,s) + (2.d0*I_pij_sij - 2.d0*I_pij_isj + I_pij_ijs - I_pij_sji)
enddo ! j
enddo ! i
@ -211,7 +205,7 @@ BEGIN_PROVIDER [double precision, noL_1e, (mo_num, mo_num)]
call give_integrals_3_body_bi_ort(p, i, j, i, s, j, I_pij_isj)
call give_integrals_3_body_bi_ort(p, i, j, i, j, s, I_pij_ijs)
noL_1e(p,s) = noL_1e(p,s) + 0.5d0 * (2.d0*I_pij_sji - I_pij_jsi + 2.d0*I_pij_jis - 4.d0*I_pij_sij + 2.d0*I_pij_isj - I_pij_ijs)
noL_1e(p,s) = noL_1e(p,s) - 0.5d0 * (2.d0*I_pij_sji - I_pij_jsi + 2.d0*I_pij_jis - 4.d0*I_pij_sij + 2.d0*I_pij_isj - I_pij_ijs)
enddo ! j
do j = elec_beta_num+1, elec_alpha_num
@ -221,7 +215,7 @@ BEGIN_PROVIDER [double precision, noL_1e, (mo_num, mo_num)]
call give_integrals_3_body_bi_ort(p, i, j, i, j, s, I_pij_ijs)
call give_integrals_3_body_bi_ort(p, i, j, s, j, i, I_pij_sji)
noL_1e(p,s) = noL_1e(p,s) - 0.5d0 * (I_pij_sij - I_pij_isj + I_pij_ijs - I_pij_sji)
noL_1e(p,s) = noL_1e(p,s) + 0.5d0 * (I_pij_sij - I_pij_isj + I_pij_ijs - I_pij_sji)
enddo ! j
enddo ! i
@ -241,12 +235,6 @@ END_PROVIDER
BEGIN_PROVIDER [double precision, noL_2e, (mo_num, mo_num, mo_num, mo_num)]
BEGIN_DOC
!
! x (-1) because integrals are over -L
!
END_DOC
implicit none
integer :: p, q, s, t, i
double precision :: I_ipq_sit, I_ipq_tsi, I_ipq_ist
@ -276,7 +264,7 @@ BEGIN_PROVIDER [double precision, noL_2e, (mo_num, mo_num, mo_num, mo_num)]
call give_integrals_3_body_bi_ort(i, p, q, t, s, i, I_ipq_tsi)
call give_integrals_3_body_bi_ort(i, p, q, i, s, t, I_ipq_ist)
noL_2e(p,q,s,t) = noL_2e(p,q,s,t) - 0.5d0 * (I_ipq_sit + I_ipq_tsi - 2.d0*I_ipq_ist)
noL_2e(p,q,s,t) = noL_2e(p,q,s,t) + 0.5d0 * (I_ipq_sit + I_ipq_tsi - 2.d0*I_ipq_ist)
enddo
enddo
enddo
@ -306,7 +294,7 @@ BEGIN_PROVIDER [double precision, noL_2e, (mo_num, mo_num, mo_num, mo_num)]
call give_integrals_3_body_bi_ort(i, p, q, t, s, i, I_ipq_tsi)
call give_integrals_3_body_bi_ort(i, p, q, i, s, t, I_ipq_ist)
noL_2e(p,q,s,t) = noL_2e(p,q,s,t) - 0.5d0 * (I_ipq_sit + I_ipq_tsi - 2.d0*I_ipq_ist)
noL_2e(p,q,s,t) = noL_2e(p,q,s,t) + 0.5d0 * (I_ipq_sit + I_ipq_tsi - 2.d0*I_ipq_ist)
enddo ! i
do i = elec_beta_num+1, elec_alpha_num
@ -315,7 +303,7 @@ BEGIN_PROVIDER [double precision, noL_2e, (mo_num, mo_num, mo_num, mo_num)]
call give_integrals_3_body_bi_ort(i, p, q, t, s, i, I_ipq_tsi)
call give_integrals_3_body_bi_ort(i, p, q, i, s, t, I_ipq_ist)
noL_2e(p,q,s,t) = noL_2e(p,q,s,t) - 0.25d0 * (I_ipq_sit + I_ipq_tsi - 2.d0*I_ipq_ist)
noL_2e(p,q,s,t) = noL_2e(p,q,s,t) + 0.25d0 * (I_ipq_sit + I_ipq_tsi - 2.d0*I_ipq_ist)
enddo ! i
enddo ! p

14
src/bi_ort_ints/one_e_bi_ort.irp.f
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@ -53,12 +53,14 @@ END_PROVIDER
BEGIN_PROVIDER [double precision, mo_bi_orth_bipole_x , (mo_num,mo_num)]
&BEGIN_PROVIDER [double precision, mo_bi_orth_bipole_y , (mo_num,mo_num)]
&BEGIN_PROVIDER [double precision, mo_bi_orth_bipole_z , (mo_num,mo_num)]
BEGIN_DOC
! array of the integrals of Left MO_i * x Right MO_j
! array of the integrals of Left MO_i * y Right MO_j
! array of the integrals of Left MO_i * z Right MO_j
END_DOC
implicit none
BEGIN_DOC
! array of the integrals of Left MO_i * x Right MO_j
! array of the integrals of Left MO_i * y Right MO_j
! array of the integrals of Left MO_i * z Right MO_j
END_DOC
implicit none
call ao_to_mo_bi_ortho( &
ao_dipole_x, &

2
src/bi_ort_ints/three_body_ints_bi_ort.irp.f
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@ -126,7 +126,7 @@ subroutine give_integrals_3_body_bi_ort(n, l, k, m, j, i, integral)
BEGIN_DOC
!
! < n l k | -L | m j i > with a BI-ORTHONORMAL MOLECULAR ORBITALS
! < n l k | L | m j i > with a BI-ORTHONORMAL MOLECULAR ORBITALS
!
END_DOC

13
src/bi_ort_ints/total_twoe_pot.irp.f
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@ -258,7 +258,8 @@ BEGIN_PROVIDER [double precision, mo_bi_ortho_tc_two_e, (mo_num, mo_num, mo_num,
if(noL_standard) then
PROVIDE noL_2e
mo_bi_ortho_tc_two_e = mo_bi_ortho_tc_two_e + noL_2e
! x 2 because of the Slater-Condon rules convention
mo_bi_ortho_tc_two_e = mo_bi_ortho_tc_two_e + 2.d0 * noL_2e
FREE noL_2e
endif
@ -272,9 +273,11 @@ END_PROVIDER
&BEGIN_PROVIDER [ double precision, mo_bi_ortho_tc_two_e_jj_anti, (mo_num,mo_num)]
BEGIN_DOC
! mo_bi_ortho_tc_two_e_jj(i,j) = J_ij = <ji|W-K|ji>
!
! mo_bi_ortho_tc_two_e_jj (i,j) = J_ij = <ji|W-K|ji>
! mo_bi_ortho_tc_two_e_jj_exchange(i,j) = K_ij = <ij|W-K|ji>
! mo_bi_ortho_tc_two_e_jj_anti(i,j) = J_ij - K_ij
! mo_bi_ortho_tc_two_e_jj_anti (i,j) = J_ij - K_ij
!
END_DOC
implicit none
@ -285,9 +288,9 @@ END_PROVIDER
do i = 1, mo_num
do j = 1, mo_num
mo_bi_ortho_tc_two_e_jj(i,j) = mo_bi_ortho_tc_two_e(j,i,j,i)
mo_bi_ortho_tc_two_e_jj (i,j) = mo_bi_ortho_tc_two_e(j,i,j,i)
mo_bi_ortho_tc_two_e_jj_exchange(i,j) = mo_bi_ortho_tc_two_e(i,j,j,i)
mo_bi_ortho_tc_two_e_jj_anti(i,j) = mo_bi_ortho_tc_two_e_jj(i,j) - mo_bi_ortho_tc_two_e_jj_exchange(i,j)
mo_bi_ortho_tc_two_e_jj_anti (i,j) = mo_bi_ortho_tc_two_e_jj(i,j) - mo_bi_ortho_tc_two_e_jj_exchange(i,j)
enddo
enddo

48
src/tc_bi_ortho/slater_tc_opt.irp.f
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@ -55,7 +55,7 @@ subroutine htilde_mu_mat_opt_bi_ortho_tot(key_j, key_i, Nint, htot)
integer, intent(in) :: Nint
integer(bit_kind), intent(in) :: key_i(Nint,2), key_j(Nint,2)
double precision, intent(out) :: htot
double precision :: hmono, htwoe, hthree
double precision :: hmono, htwoe, hthree
call htilde_mu_mat_opt_bi_ortho(key_j, key_i, Nint, hmono, htwoe, hthree, htot)
@ -90,26 +90,33 @@ subroutine htilde_mu_mat_opt_bi_ortho(key_j, key_i, Nint, hmono, htwoe, hthree,
hthree = 0.d0
call get_excitation_degree(key_i, key_j, degree, Nint)
if(.not.pure_three_body_h_tc)then
if(degree.gt.2) return
if(degree == 0) then
call diag_htilde_mu_mat_fock_bi_ortho (Nint, key_i, hmono, htwoe, hthree, htot)
else if (degree == 1) then
call single_htilde_mu_mat_fock_bi_ortho(Nint, key_j, key_i , hmono, htwoe, hthree, htot)
else if(degree == 2) then
call double_htilde_mu_mat_fock_bi_ortho(Nint, key_j, key_i, hmono, htwoe, hthree, htot)
endif
if(.not.pure_three_body_h_tc) then
if(degree .gt. 2) return
if(degree == 0) then
call diag_htilde_mu_mat_fock_bi_ortho (Nint, key_i, hmono, htwoe, hthree, htot)
else if (degree == 1) then
call single_htilde_mu_mat_fock_bi_ortho(Nint, key_j, key_i , hmono, htwoe, hthree, htot)
else if(degree == 2) then
call double_htilde_mu_mat_fock_bi_ortho(Nint, key_j, key_i, hmono, htwoe, hthree, htot)
endif
else
if(degree.gt.3) return
if(degree == 0) then
call diag_htilde_mu_mat_fock_bi_ortho (Nint, key_i, hmono, htwoe, hthree, htot)
else if (degree == 1) then
call single_htilde_mu_mat_fock_bi_ortho(Nint, key_j, key_i , hmono, htwoe, hthree, htot)
else if(degree == 2) then
call double_htilde_mu_mat_fock_bi_ortho(Nint, key_j, key_i, hmono, htwoe, hthree, htot)
else
call triple_htilde_mu_mat_fock_bi_ortho(Nint, key_j, key_i, hmono, htwoe, hthree, htot)
endif
if(degree .gt. 3) return
if(degree == 0) then
call diag_htilde_mu_mat_fock_bi_ortho (Nint, key_i, hmono, htwoe, hthree, htot)
else if (degree == 1) then
call single_htilde_mu_mat_fock_bi_ortho(Nint, key_j, key_i , hmono, htwoe, hthree, htot)
else if(degree == 2) then
call double_htilde_mu_mat_fock_bi_ortho(Nint, key_j, key_i, hmono, htwoe, hthree, htot)
else
call triple_htilde_mu_mat_fock_bi_ortho(Nint, key_j, key_i, hmono, htwoe, hthree, htot)
endif
endif
if(degree==0) then
@ -161,3 +168,4 @@ subroutine htilde_mu_mat_opt_bi_ortho_no_3e(key_j, key_i, Nint, htot)
end
! ---

118
src/tc_bi_ortho/slater_tc_opt_diag.irp.f
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@ -7,7 +7,9 @@
&BEGIN_PROVIDER [ double precision, ref_tc_energy_3e]
BEGIN_DOC
!
! Various component of the TC energy for the reference "HF" Slater determinant
!
END_DOC
implicit none
@ -41,7 +43,9 @@ END_PROVIDER
subroutine diag_htilde_mu_mat_fock_bi_ortho(Nint, det_in, hmono, htwoe, hthree, htot)
BEGIN_DOC
!
! Computes $\langle i|H|i \rangle$.
!
END_DOC
implicit none
@ -63,7 +67,7 @@ subroutine diag_htilde_mu_mat_fock_bi_ortho(Nint, det_in, hmono, htwoe, hthree,
nexc(1) = 0
nexc(2) = 0
do i=1,Nint
do i = 1, Nint
hole(i,1) = xor(det_in(i,1),ref_bitmask(i,1))
hole(i,2) = xor(det_in(i,2),ref_bitmask(i,2))
particle(i,1) = iand(hole(i,1),det_in(i,1))
@ -124,6 +128,7 @@ end
subroutine ac_tc_operator(iorb, ispin, key, hmono, htwoe, hthree, Nint, na, nb)
BEGIN_DOC
!
! Routine that computes one- and two-body energy corresponding
!
! to the ADDITION of an electron in an orbital 'iorb' of spin 'ispin'
@ -133,6 +138,7 @@ subroutine ac_tc_operator(iorb, ispin, key, hmono, htwoe, hthree, Nint, na, nb)
! in output, the determinant key is changed by the ADDITION of that electron
!
! and the quantities hmono,htwoe,hthree are INCREMENTED
!
END_DOC
use bitmasks
@ -188,8 +194,8 @@ subroutine ac_tc_operator(iorb, ispin, key, hmono, htwoe, hthree, Nint, na, nb)
enddo
if(three_body_h_tc .and. (elec_num.gt.2) .and. three_e_3_idx_term) then
!!!!! 3-e part
!! same-spin/same-spin
do j = 1, na
jj = occ(j,ispin)
@ -220,16 +226,19 @@ subroutine ac_tc_operator(iorb, ispin, key, hmono, htwoe, hthree, Nint, na, nb)
enddo
endif
na = na+1
na = na + 1
end
! ---
subroutine a_tc_operator(iorb,ispin,key,hmono,htwoe,hthree,Nint,na,nb)
subroutine a_tc_operator(iorb, ispin, key, hmono, htwoe, hthree, Nint, na, nb)
use bitmasks
implicit none
BEGIN_DOC
!
! Routine that computes one- and two-body energy corresponding
!
! to the REMOVAL of an electron in an orbital 'iorb' of spin 'ispin'
@ -239,17 +248,19 @@ subroutine a_tc_operator(iorb,ispin,key,hmono,htwoe,hthree,Nint,na,nb)
! in output, the determinant key is changed by the REMOVAL of that electron
!
! and the quantities hmono,htwoe,hthree are INCREMENTED
!
END_DOC
integer, intent(in) :: iorb, ispin, Nint
integer, intent(inout) :: na, nb
integer, intent(in) :: iorb, ispin, Nint
integer, intent(inout) :: na, nb
integer(bit_kind), intent(inout) :: key(Nint,2)
double precision, intent(inout) :: hmono,htwoe,hthree
double precision, intent(inout) :: hmono,htwoe,hthree
double precision :: direct_int, exchange_int
integer :: occ(Nint*bit_kind_size,2)
integer :: other_spin
integer :: k,l,i,jj,mm,j,m
integer :: tmp(2)
double precision :: direct_int, exchange_int
integer :: occ(Nint*bit_kind_size,2)
integer :: other_spin
integer :: k, l, i, jj, mm, j, m
integer :: tmp(2)
ASSERT (iorb > 0)
ASSERT (ispin > 0)
@ -269,60 +280,63 @@ subroutine a_tc_operator(iorb,ispin,key,hmono,htwoe,hthree,Nint,na,nb)
hmono = hmono - mo_bi_ortho_tc_one_e(iorb,iorb)
! Same spin
do i=1,na
htwoe= htwoe- mo_bi_ortho_tc_two_e_jj_anti(occ(i,ispin),iorb)
do i = 1, na
htwoe = htwoe - mo_bi_ortho_tc_two_e_jj_anti(occ(i,ispin),iorb)
enddo
! Opposite spin
do i=1,nb
htwoe= htwoe- mo_bi_ortho_tc_two_e_jj(occ(i,other_spin),iorb)
do i = 1, nb
htwoe = htwoe - mo_bi_ortho_tc_two_e_jj(occ(i,other_spin),iorb)
enddo
if(three_body_h_tc.and.elec_num.gt.2.and.three_e_3_idx_term)then
!!!!! 3-e part
!! same-spin/same-spin
do j = 1, na
jj = occ(j,ispin)
do m = j+1, na
mm = occ(m,ispin)
hthree -= three_e_diag_parrallel_spin_prov(mm,jj,iorb)
if(three_body_h_tc .and. elec_num.gt.2 .and. three_e_3_idx_term) then
!!!!! 3-e part
!! same-spin/same-spin
do j = 1, na
jj = occ(j,ispin)
do m = j+1, na
mm = occ(m,ispin)
hthree -= three_e_diag_parrallel_spin_prov(mm,jj,iorb)
enddo
enddo
enddo
!! same-spin/oposite-spin
do j = 1, na
jj = occ(j,ispin)
do m = 1, nb
mm = occ(m,other_spin)
direct_int = three_e_3_idx_direct_bi_ort(mm,jj,iorb) ! USES 3-IDX TENSOR
exchange_int = three_e_3_idx_exch12_bi_ort(mm,jj,iorb) ! USES 3-IDX TENSOR
hthree -= (direct_int - exchange_int)
enddo
enddo
!! oposite-spin/opposite-spin
!! same-spin/oposite-spin
do j = 1, na
jj = occ(j,ispin)
do m = 1, nb
mm = occ(m,other_spin)
direct_int = three_e_3_idx_direct_bi_ort(mm,jj,iorb) ! USES 3-IDX TENSOR
exchange_int = three_e_3_idx_exch12_bi_ort(mm,jj,iorb) ! USES 3-IDX TENSOR
hthree -= (direct_int - exchange_int)
enddo
enddo
!! oposite-spin/opposite-spin
do j = 1, nb
jj = occ(j,other_spin)
do m = j+1, nb
mm = occ(m,other_spin)
direct_int = three_e_3_idx_direct_bi_ort(mm,jj,iorb) ! USES 3-IDX TENSOR
exchange_int = three_e_3_idx_exch23_bi_ort(mm,jj,iorb) ! USES 3-IDX TENSOR
hthree -= (direct_int - exchange_int)
enddo
jj = occ(j,other_spin)
do m = j+1, nb
mm = occ(m,other_spin)
direct_int = three_e_3_idx_direct_bi_ort(mm,jj,iorb) ! USES 3-IDX TENSOR
exchange_int = three_e_3_idx_exch23_bi_ort(mm,jj,iorb) ! USES 3-IDX TENSOR
hthree -= (direct_int - exchange_int)
enddo
enddo
endif
end
! ---
subroutine diag_htilde_mu_mat_fock_bi_ortho_no_3e(Nint, det_in,htot)
implicit none
BEGIN_DOC
! Computes $\langle i|H|i \rangle$. WITHOUT ANY CONTRIBUTIONS FROM 3E TERMS
END_DOC
integer,intent(in) :: Nint
integer(bit_kind),intent(in) :: det_in(Nint,2)
double precision, intent(out) :: htot
double precision :: hmono,htwoe
implicit none
integer, intent(in) :: Nint
integer(bit_kind), intent(in) :: det_in(Nint,2)
double precision, intent(out) :: htot
double precision :: hmono, htwoe
integer(bit_kind) :: hole(Nint,2)
integer(bit_kind) :: particle(Nint,2)
integer :: i, nexc(2), ispin
@ -349,15 +363,15 @@ subroutine diag_htilde_mu_mat_fock_bi_ortho_no_3e(Nint, det_in,htot)
nexc(2) = nexc(2) + popcnt(hole(i,2))
enddo
if (nexc(1)+nexc(2) == 0) then
if(nexc(1)+nexc(2) == 0) then
hmono = ref_tc_energy_1e
htwoe = ref_tc_energy_2e
htot = ref_tc_energy_tot
htot = ref_tc_energy_tot
return
endif
!call debug_det(det_in,Nint)
integer :: tmp(2)
integer :: tmp(2)
!DIR$ FORCEINLINE
call bitstring_to_list_ab(particle, occ_particle, tmp, Nint)
ASSERT (tmp(1) == nexc(1)) ! Number of particles alpha
@ -367,8 +381,8 @@ subroutine diag_htilde_mu_mat_fock_bi_ortho_no_3e(Nint, det_in,htot)
ASSERT (tmp(1) == nexc(1)) ! Number of holes alpha
ASSERT (tmp(2) == nexc(2)) ! Number of holes beta
det_tmp = ref_bitmask
hmono = ref_tc_energy_1e
htwoe = ref_tc_energy_2e
do ispin=1,2

94
src/tc_bi_ortho/slater_tc_opt_double.irp.f
View File

@ -1,4 +1,6 @@
! ---
subroutine double_htilde_mu_mat_fock_bi_ortho(Nint, key_j, key_i, hmono, htwoe, hthree, htot)
BEGIN_DOC
@ -29,55 +31,77 @@ subroutine double_htilde_mu_mat_fock_bi_ortho(Nint, key_j, key_i, hmono, htwoe,
hthree = 0.d0
htot = 0.d0
if(degree.ne.2)then
return
if(degree .ne. 2) then
return
endif
integer :: degree_i,degree_j
call get_excitation_degree(ref_bitmask,key_i,degree_i,N_int)
call get_excitation_degree(ref_bitmask,key_j,degree_j,N_int)
integer :: degree_i, degree_j
call get_excitation_degree(ref_bitmask, key_i, degree_i, N_int)
call get_excitation_degree(ref_bitmask, key_j, degree_j, N_int)
call get_double_excitation(key_i, key_j, exc, phase, Nint)
call decode_exc(exc, 2, h1, p1, h2, p2, s1, s2)
if(s1.ne.s2)then
! opposite spin two-body
htwoe = mo_bi_ortho_tc_two_e(p2,p1,h2,h1)
if(three_body_h_tc.and.elec_num.gt.2)then
if(.not.double_normal_ord.and.three_e_5_idx_term)then
if(degree_i>degree_j)then
call three_comp_two_e_elem(key_j,h1,h2,p1,p2,s1,s2,hthree)
else
call three_comp_two_e_elem(key_i,h1,h2,p1,p2,s1,s2,hthree)
if(s1 .ne. s2) then
! opposite spin two-body
htwoe = mo_bi_ortho_tc_two_e(p2,p1,h2,h1)
if(three_body_h_tc .and. (elec_num .gt. 2)) then
! add 3-e term
if(.not.double_normal_ord .and. three_e_5_idx_term) then
! 5-idx approx
if(degree_i > degree_j) then
call three_comp_two_e_elem(key_j,h1,h2,p1,p2,s1,s2,hthree)
else
call three_comp_two_e_elem(key_i,h1,h2,p1,p2,s1,s2,hthree)
endif
elseif(double_normal_ord) then
! noL a la Manu
htwoe += normal_two_body_bi_orth(p2,h2,p1,h1)
endif
elseif(double_normal_ord)then
htwoe += normal_two_body_bi_orth(p2,h2,p1,h1)
endif
endif
else
! same spin two-body
! direct terms
htwoe = mo_bi_ortho_tc_two_e(p2,p1,h2,h1)
! exchange terms
htwoe -= mo_bi_ortho_tc_two_e(p1,p2,h2,h1)
if(three_body_h_tc.and.elec_num.gt.2)then
if(.not.double_normal_ord.and.three_e_5_idx_term)then
if(degree_i>degree_j)then
call three_comp_two_e_elem(key_j,h1,h2,p1,p2,s1,s2,hthree)
else
call three_comp_two_e_elem(key_i,h1,h2,p1,p2,s1,s2,hthree)
endif
elseif(double_normal_ord)then
htwoe -= normal_two_body_bi_orth(h2,p1,h1,p2)
htwoe += normal_two_body_bi_orth(h1,p1,h2,p2)
! same spin two-body
! direct terms
htwoe = mo_bi_ortho_tc_two_e(p2,p1,h2,h1)
! exchange terms
htwoe -= mo_bi_ortho_tc_two_e(p1,p2,h2,h1)
if(three_body_h_tc .and. (elec_num .gt. 2)) then
! add 3-e term
if(.not.double_normal_ord.and.three_e_5_idx_term)then
! 5-idx approx
if(degree_i > degree_j) then
call three_comp_two_e_elem(key_j,h1,h2,p1,p2,s1,s2,hthree)
else
call three_comp_two_e_elem(key_i,h1,h2,p1,p2,s1,s2,hthree)
endif
elseif(double_normal_ord) then
! noL a la Manu
htwoe -= normal_two_body_bi_orth(h2,p1,h1,p2)
htwoe += normal_two_body_bi_orth(h1,p1,h2,p2)
endif
endif
endif
endif
hthree *= phase
htwoe *= phase
htot = htwoe + hthree
htot = htwoe + hthree
end
! ---
subroutine three_comp_two_e_elem(key_i,h1,h2,p1,p2,s1,s2,hthree)
implicit none

178
src/tc_bi_ortho/slater_tc_opt_single.irp.f
View File

@ -1,12 +1,16 @@
! ---
subroutine single_htilde_mu_mat_fock_bi_ortho(Nint, key_j, key_i, hmono, htwoe, hthree, htot)
subroutine single_htilde_mu_mat_fock_bi_ortho (Nint, key_j, key_i, hmono, htwoe, hthree, htot)
BEGIN_DOC
!
! <key_j |H_tilde | key_i> for single excitation ONLY FOR ONE- AND TWO-BODY TERMS
!!
!! WARNING !!
!
! Non hermitian !!
!
END_DOC
use bitmasks
@ -31,93 +35,105 @@ subroutine single_htilde_mu_mat_fock_bi_ortho (Nint, key_j, key_i, hmono, htwoe
htwoe = 0.d0
hthree = 0.d0
htot = 0.d0
call get_excitation_degree(key_i, key_j, degree, Nint)
if(degree.ne.1)then
return
if(degree .ne. 1) then
return
endif
call bitstring_to_list_ab(key_i, occ, Ne, Nint)
call get_single_excitation(key_i, key_j, exc, phase, Nint)
call decode_exc(exc,1,h1,p1,h2,p2,s1,s2)
call get_single_excitation_from_fock_tc(key_i,key_j,h1,p1,s1,phase,hmono,htwoe,hthree,htot)
end
subroutine get_single_excitation_from_fock_tc(key_i,key_j,h,p,spin,phase,hmono,htwoe,hthree,htot)
use bitmasks
implicit none
integer,intent(in) :: h,p,spin
double precision, intent(in) :: phase
integer(bit_kind), intent(in) :: key_i(N_int,2), key_j(N_int,2)
double precision, intent(out) :: hmono,htwoe,hthree,htot
integer(bit_kind) :: differences(N_int,2)
integer(bit_kind) :: hole(N_int,2)
integer(bit_kind) :: partcl(N_int,2)
integer :: occ_hole(N_int*bit_kind_size,2)
integer :: occ_partcl(N_int*bit_kind_size,2)
integer :: n_occ_ab_hole(2),n_occ_ab_partcl(2)
integer :: i0,i
double precision :: buffer_c(mo_num),buffer_x(mo_num)
do i=1, mo_num
buffer_c(i) = tc_2e_3idx_coulomb_integrals(i,p,h)
buffer_x(i) = tc_2e_3idx_exchange_integrals(i,p,h)
enddo
do i = 1, N_int
differences(i,1) = xor(key_i(i,1),ref_closed_shell_bitmask(i,1))
differences(i,2) = xor(key_i(i,2),ref_closed_shell_bitmask(i,2))
hole(i,1) = iand(differences(i,1),ref_closed_shell_bitmask(i,1))
hole(i,2) = iand(differences(i,2),ref_closed_shell_bitmask(i,2))
partcl(i,1) = iand(differences(i,1),key_i(i,1))
partcl(i,2) = iand(differences(i,2),key_i(i,2))
enddo
call bitstring_to_list_ab(hole, occ_hole, n_occ_ab_hole, N_int)
call bitstring_to_list_ab(partcl, occ_partcl, n_occ_ab_partcl, N_int)
hmono = mo_bi_ortho_tc_one_e(p,h)
htwoe = fock_op_2_e_tc_closed_shell(p,h)
! holes :: direct terms
do i0 = 1, n_occ_ab_hole(1)
i = occ_hole(i0,1)
htwoe -= buffer_c(i)
enddo
do i0 = 1, n_occ_ab_hole(2)
i = occ_hole(i0,2)
htwoe -= buffer_c(i)
enddo
! holes :: exchange terms
do i0 = 1, n_occ_ab_hole(spin)
i = occ_hole(i0,spin)
htwoe += buffer_x(i)
enddo
! particles :: direct terms
do i0 = 1, n_occ_ab_partcl(1)
i = occ_partcl(i0,1)
htwoe += buffer_c(i)
enddo
do i0 = 1, n_occ_ab_partcl(2)
i = occ_partcl(i0,2)
htwoe += buffer_c(i)
enddo
! particles :: exchange terms
do i0 = 1, n_occ_ab_partcl(spin)
i = occ_partcl(i0,spin)
htwoe -= buffer_x(i)
enddo
hthree = 0.d0
if (three_body_h_tc.and.elec_num.gt.2.and.three_e_4_idx_term)then
call three_comp_fock_elem(key_i,h,p,spin,hthree)
endif
htwoe = htwoe * phase
hmono = hmono * phase
hthree = hthree * phase
htot = htwoe + hmono + hthree
call decode_exc(exc, 1, h1, p1, h2, p2, s1, s2)
call get_single_excitation_from_fock_tc(key_i, key_j, h1, p1, s1, phase, hmono, htwoe, hthree, htot)
end
! ---
subroutine get_single_excitation_from_fock_tc(key_i, key_j, h, p, spin, phase, hmono, htwoe, hthree, htot)
use bitmasks
implicit none
integer, intent(in) :: h, p, spin
double precision, intent(in) :: phase
integer(bit_kind), intent(in) :: key_i(N_int,2), key_j(N_int,2)
double precision, intent(out) :: hmono, htwoe, hthree, htot
integer(bit_kind) :: differences(N_int,2)
integer(bit_kind) :: hole(N_int,2)
integer(bit_kind) :: partcl(N_int,2)
integer :: occ_hole(N_int*bit_kind_size,2)
integer :: occ_partcl(N_int*bit_kind_size,2)
integer :: n_occ_ab_hole(2),n_occ_ab_partcl(2)
integer :: i0,i
double precision :: buffer_c(mo_num),buffer_x(mo_num)
do i = 1, mo_num
buffer_c(i) = tc_2e_3idx_coulomb_integrals (i,p,h)
buffer_x(i) = tc_2e_3idx_exchange_integrals(i,p,h)
enddo
do i = 1, N_int
differences(i,1) = xor(key_i(i,1), ref_closed_shell_bitmask(i,1))
differences(i,2) = xor(key_i(i,2), ref_closed_shell_bitmask(i,2))
hole (i,1) = iand(differences(i,1), ref_closed_shell_bitmask(i,1))
hole (i,2) = iand(differences(i,2), ref_closed_shell_bitmask(i,2))
partcl (i,1) = iand(differences(i,1), key_i(i,1))
partcl (i,2) = iand(differences(i,2), key_i(i,2))
enddo
call bitstring_to_list_ab(hole, occ_hole, n_occ_ab_hole, N_int)
call bitstring_to_list_ab(partcl, occ_partcl, n_occ_ab_partcl, N_int)
hmono = mo_bi_ortho_tc_one_e(p,h)
htwoe = fock_op_2_e_tc_closed_shell(p,h)
! holes :: direct terms
do i0 = 1, n_occ_ab_hole(1)
i = occ_hole(i0,1)
htwoe -= buffer_c(i)
enddo
do i0 = 1, n_occ_ab_hole(2)
i = occ_hole(i0,2)
htwoe -= buffer_c(i)
enddo
! holes :: exchange terms
do i0 = 1, n_occ_ab_hole(spin)
i = occ_hole(i0,spin)
htwoe += buffer_x(i)
enddo
! particles :: direct terms
do i0 = 1, n_occ_ab_partcl(1)
i = occ_partcl(i0,1)
htwoe += buffer_c(i)
enddo
do i0 = 1, n_occ_ab_partcl(2)
i = occ_partcl(i0,2)
htwoe += buffer_c(i)
enddo
! particles :: exchange terms
do i0 = 1, n_occ_ab_partcl(spin)
i = occ_partcl(i0,spin)
htwoe -= buffer_x(i)
enddo
hthree = 0.d0
if (three_body_h_tc .and. elec_num.gt.2 .and. three_e_4_idx_term) then
call three_comp_fock_elem(key_i, h, p, spin, hthree)
endif
htwoe = htwoe * phase
hmono = hmono * phase
hthree = hthree * phase
htot = htwoe + hmono + hthree
end
! ---
subroutine three_comp_fock_elem(key_i,h_fock,p_fock,ispin_fock,hthree)
implicit none
integer,intent(in) :: h_fock,p_fock,ispin_fock

89
src/tc_bi_ortho/slater_tc_slow.irp.f
View File

@ -81,8 +81,14 @@ subroutine htilde_mu_mat_bi_ortho_slow(key_j, key_i, Nint, hmono, htwoe, hthree,
endif
htot = hmono + htwoe + hthree
if(degree==0) then
htot += nuclear_repulsion
if(noL_standard) then
PROVIDE noL_0e
htot += noL_0e
endif
endif
end
@ -92,7 +98,9 @@ end
subroutine diag_htilde_mu_mat_bi_ortho_slow(Nint, key_i, hmono, htwoe, htot)
BEGIN_DOC
! diagonal element of htilde ONLY FOR ONE- AND TWO-BODY TERMS
!
! diagonal element of htilde ONLY FOR ONE- AND TWO-BODY TERMS
!
END_DOC
use bitmasks
@ -108,78 +116,53 @@ subroutine diag_htilde_mu_mat_bi_ortho_slow(Nint, key_i, hmono, htwoe, htot)
PROVIDE mo_bi_ortho_tc_two_e
! PROVIDE mo_two_e_integrals_tc_int_in_map mo_bi_ortho_tc_two_e
!
! PROVIDE mo_integrals_erf_map core_energy nuclear_repulsion core_bitmask
! PROVIDE core_fock_operator
!
! PROVIDE j1b_gauss
hmono = 0.d0
htwoe = 0.d0
htot = 0.d0
! if(core_tc_op)then
! print*,'core_tc_op not already taken into account for bi ortho'
! print*,'stopping ...'
! stop
! do i = 1, Nint
! key_i_core(i,1) = xor(key_i(i,1),core_bitmask(i,1))
! key_i_core(i,2) = xor(key_i(i,2),core_bitmask(i,2))
! enddo
! call bitstring_to_list_ab(key_i_core, occ, Ne, Nint)
! hmono = core_energy - nuclear_repulsion
! else
call bitstring_to_list_ab(key_i, occ, Ne, Nint)
hmono = 0.d0
! endif
htwoe= 0.d0
htot = 0.d0
call bitstring_to_list_ab(key_i, occ, Ne, Nint)
do ispin = 1, 2
do i = 1, Ne(ispin) !
ii = occ(i,ispin)
hmono += mo_bi_ortho_tc_one_e(ii,ii)
! if(core_tc_op)then
! print*,'core_tc_op not already taken into account for bi ortho'
! print*,'stopping ...'
! stop
! hmono += core_fock_operator(ii,ii) ! add the usual Coulomb - Exchange from the core
! endif
enddo
do i = 1, Ne(ispin)
ii = occ(i,ispin)
hmono += mo_bi_ortho_tc_one_e(ii,ii)
enddo
enddo
! alpha/beta two-body
ispin = 1
jspin = 2
do i = 1, Ne(ispin) ! electron 1 (so it can be associated to mu(r1))
! alpha/beta two-body
ispin = 1
jspin = 2
do i = 1, Ne(ispin) ! electron 1 (so it can be associated to mu(r1))
ii = occ(i,ispin)
do j = 1, Ne(jspin) ! electron 2
jj = occ(j,jspin)
htwoe += mo_bi_ortho_tc_two_e(jj,ii,jj,ii)
jj = occ(j,jspin)
htwoe += mo_bi_ortho_tc_two_e(jj,ii,jj,ii)
enddo
enddo
enddo
! alpha/alpha two-body
do i = 1, Ne(ispin)
! alpha/alpha two-body
do i = 1, Ne(ispin)
ii = occ(i,ispin)
do j = i+1, Ne(ispin)
jj = occ(j,ispin)
htwoe += mo_bi_ortho_tc_two_e(ii,jj,ii,jj) - mo_bi_ortho_tc_two_e(ii,jj,jj,ii)
jj = occ(j,ispin)
htwoe += mo_bi_ortho_tc_two_e(ii,jj,ii,jj) - mo_bi_ortho_tc_two_e(ii,jj,jj,ii)
enddo
enddo
enddo
! beta/beta two-body
do i = 1, Ne(jspin)
! beta/beta two-body
do i = 1, Ne(jspin)
ii = occ(i,jspin)
do j = i+1, Ne(jspin)
jj = occ(j,jspin)
htwoe += mo_bi_ortho_tc_two_e(ii,jj,ii,jj) - mo_bi_ortho_tc_two_e(ii,jj,jj,ii)
jj = occ(j,jspin)
htwoe += mo_bi_ortho_tc_two_e(ii,jj,ii,jj) - mo_bi_ortho_tc_two_e(ii,jj,jj,ii)
enddo
enddo
enddo
htot = hmono + htwoe
end
! ---
subroutine double_htilde_mu_mat_bi_ortho_slow(Nint, key_j, key_i, hmono, htwoe, htot)

33
src/tc_bi_ortho/tc_hmat.irp.f
View File

@ -1,10 +1,14 @@
BEGIN_PROVIDER [double precision, htilde_matrix_elmt_bi_ortho, (N_det,N_det)]
! ---
BEGIN_PROVIDER [double precision, htilde_matrix_elmt_bi_ortho, (N_det,N_det)]
BEGIN_DOC
!
! htilde_matrix_elmt_bi_ortho(j,i) = <J| H^tilde |I>
!
! WARNING !!!!!!!!! IT IS NOT HERMITIAN !!!!!!!!!
!
END_DOC
implicit none
@ -17,28 +21,33 @@
j = 1
call htilde_mu_mat_opt_bi_ortho_tot(psi_det(1,1,j), psi_det(1,1,i), N_int, htot)
!$OMP PARALLEL DO SCHEDULE(GUIDED) DEFAULT(NONE) PRIVATE(i,j, htot) &
!$OMP SHARED (N_det, psi_det, N_int,htilde_matrix_elmt_bi_ortho)
do i = 1, N_det
do j = 1, N_det
! < J |Htilde | I >
call htilde_mu_mat_opt_bi_ortho_tot(psi_det(1,1,j), psi_det(1,1,i), N_int, htot)
!$OMP PARALLEL DO SCHEDULE(GUIDED) DEFAULT(NONE) PRIVATE(i,j, htot) &
!$OMP SHARED (N_det, psi_det, N_int, htilde_matrix_elmt_bi_ortho)
do i = 1, N_det
do j = 1, N_det
! < J |Htilde | I >
call htilde_mu_mat_opt_bi_ortho_tot(psi_det(1,1,j), psi_det(1,1,i), N_int, htot)
htilde_matrix_elmt_bi_ortho(j,i) = htot
enddo
htilde_matrix_elmt_bi_ortho(j,i) = htot
enddo
!$OMP END PARALLEL DO
enddo
!$OMP END PARALLEL DO
END_PROVIDER
! ---
BEGIN_PROVIDER [double precision, htilde_matrix_elmt_bi_ortho_tranp, (N_det,N_det)]
implicit none
integer ::i,j
implicit none
integer ::i,j
do i = 1, N_det
do j = 1, N_det
htilde_matrix_elmt_bi_ortho_tranp(j,i) = htilde_matrix_elmt_bi_ortho(i,j)
enddo
enddo
END_PROVIDER
! ---

3
src/tc_bi_ortho/test_tc_bi_ortho.irp.f
View File

@ -557,6 +557,8 @@ subroutine test_no_1()
print*, ' accu (%) = ', 100.d0*accu/norm
PROVIDE energy_1e_noL_HF
return
end
@ -572,6 +574,7 @@ subroutine test_no_2()
PROVIDE noL_2e_naive
PROVIDE noL_2e
PROVIDE energy_2e_noL_HF
thr = 1d-8