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DGEMM in mcscf_fock

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Anthony Scemama 2025-02-06 12:31:31 +01:00
parent 8c7184fb77
commit 4792e86e4d
1 changed files with 74 additions and 44 deletions
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118
src/casscf_cipsi/mcscf_fock.irp.f
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@ -3,37 +3,52 @@ BEGIN_PROVIDER [real*8, Fipq, (mo_num,mo_num) ]
! the inactive Fock matrix, in molecular orbitals
END_DOC
implicit none
integer :: p,q,k,kk,t,tt,u,uu
double precision :: bielec_pxxq_no, bielec_pqxx_no
integer :: i,p,q,k,kk,t,tt,u,uu
do q=1,mo_num
do p=1,mo_num
Fipq(p,q)=one_ints_no(p,q)
end do
end do
! the inactive Fock matrix
do k=1,n_core_inact_orb
kk=list_core_inact(k)
do q=1,mo_num
do p=1,mo_num
Fipq(p,q)+=2.D0*bielec_pqxx_no(p,q,k,k) -bielec_pxxq_no(p,k,k,q)
end do
end do
kk=list_core_inact_act(k)
! do q=1,mo_num
! do p=1,mo_num
! do i=1,cholesky_mo_num
! Fipq(p,q) = Fipq(p,q) + 2.d0* cholesky_no_total_transp(i,p,q) * cholesky_no_total_transp(i,kk,kk)
! enddo
! end do
! end do
call dgemm('T','N', mo_num*mo_num, 1, cholesky_mo_num, 2.d0, &
cholesky_no_total_transp, cholesky_mo_num, &
cholesky_no_total_transp(1,kk,kk), cholesky_mo_num, 1.d0, &
Fipq, mo_num*mo_num)
! do q=1,mo_num
! do p=1,mo_num
! do i=1,cholesky_mo_num
! Fipq(p,q) = Fipq(p,q) - cholesky_no_total_transp(i,p,kk) * cholesky_no_total_transp(i,kk,q)
! enddo
! end do
! end do
call dgemm('T','N', mo_num, mo_num, cholesky_mo_num, -1.d0, &
cholesky_no_total_transp(1,1,kk), cholesky_mo_num, &
cholesky_no_total_transp(1,kk,1), cholesky_mo_num*mo_num, 1.d0, &
Fipq, mo_num)
end do
if (bavard) then
integer :: i
write(6,*)
write(6,*) ' the diagonal of the inactive effective Fock matrix '
write(6,'(5(i3,F12.5))') (i,Fipq(i,i),i=1,mo_num)
write(6,*)
end if
END_PROVIDER
BEGIN_PROVIDER [real*8, Fapq, (mo_num,mo_num) ]
BEGIN_DOC
! the active active Fock matrix, in molecular orbitals
@ -45,27 +60,42 @@ BEGIN_PROVIDER [real*8, Fapq, (mo_num,mo_num) ]
END_DOC
implicit none
integer :: p,q,k,kk,t,tt,u,uu
double precision :: bielec_pxxq_no, bielec_pqxx_no
Fapq = 0.d0
! the active Fock matrix, D0tu is diagonal
do t=1,n_act_orb
tt=list_act(t)
do q=1,mo_num
do p=1,mo_num
Fapq(p,q)+=occnum(tt) &
*(bielec_pqxx_no(p,q,tt,tt)-0.5D0*bielec_pxxq_no(p,tt,tt,q))
end do
end do
! do q=1,mo_num
! do p=1,mo_num
! do i=1,cholesky_mo_num
! Fapq(p,q) = Fapq(p,q) + occnum(tt)* cholesky_no_total_transp(i,p,q) * cholesky_no_total_transp(i,tt,tt)
! enddo
! end do
! end do
call dgemm('T','N', mo_num*mo_num, 1, cholesky_mo_num, occnum(tt), &
cholesky_no_total_transp, cholesky_mo_num, &
cholesky_no_total_transp(1,tt,tt), cholesky_mo_num, 1.d0, &
Fapq, mo_num*mo_num)
! do q=1,mo_num
! do p=1,mo_num
! do i=1,cholesky_mo_num
! Fapq(p,q) = Fapq(p,q) - 0.5d0*occnum(tt)*cholesky_no_total_transp(i,p,tt) * cholesky_no_total_transp(i,tt,q)
! enddo
! end do
! end do
call dgemm('T','N', mo_num, mo_num, cholesky_mo_num, -0.5d0*occnum(tt), &
cholesky_no_total_transp(1,1,tt), cholesky_mo_num, &
cholesky_no_total_transp(1,tt,1), cholesky_mo_num*mo_num, 1.d0, &
Fapq, mo_num)
end do
if (bavard) then
integer :: i
write(6,*)
write(6,*) ' the effective Fock matrix over MOs'
write(6,*)
write(6,*)
write(6,*) ' the diagonal of the inactive effective Fock matrix '
write(6,'(5(i3,F12.5))') (i,Fipq(i,i),i=1,mo_num)
@ -75,35 +105,35 @@ BEGIN_PROVIDER [real*8, Fapq, (mo_num,mo_num) ]
write(6,'(5(i3,F12.5))') (i,Fapq(i,i),i=1,mo_num)
write(6,*)
end if
END_PROVIDER
BEGIN_PROVIDER [ double precision, mcscf_fock_alpha_ao, (ao_num, ao_num)]
&BEGIN_PROVIDER [ double precision, mcscf_fock_beta_ao, (ao_num, ao_num)]
BEGIN_PROVIDER [ double precision, mcscf_fock_alpha_ao, (ao_num, ao_num)]
&BEGIN_PROVIDER [ double precision, mcscf_fock_beta_ao, (ao_num, ao_num)]
implicit none
BEGIN_DOC
! mcscf_fock_alpha_ao are set to usual Fock like operator but computed with the MCSCF densities on the AO basis
! mcscf_fock_alpha_ao are set to usual Fock like operator but computed with the MCSCF densities on the AO basis
END_DOC
SCF_density_matrix_ao_alpha = D0tu_alpha_ao
SCF_density_matrix_ao_beta = D0tu_beta_ao
soft_touch SCF_density_matrix_ao_alpha SCF_density_matrix_ao_beta
soft_touch SCF_density_matrix_ao_alpha SCF_density_matrix_ao_beta
mcscf_fock_beta_ao = fock_matrix_ao_beta
mcscf_fock_alpha_ao = fock_matrix_ao_alpha
END_PROVIDER
END_PROVIDER
BEGIN_PROVIDER [ double precision, mcscf_fock_alpha_mo, (mo_num, mo_num)]
&BEGIN_PROVIDER [ double precision, mcscf_fock_beta_mo, (mo_num, mo_num)]
BEGIN_PROVIDER [ double precision, mcscf_fock_alpha_mo, (mo_num, mo_num)]
&BEGIN_PROVIDER [ double precision, mcscf_fock_beta_mo, (mo_num, mo_num)]
implicit none
BEGIN_DOC
! Mo_mcscf_fock_alpha are set to usual Fock like operator but computed with the MCSCF densities on the MO basis
! Mo_mcscf_fock_alpha are set to usual Fock like operator but computed with the MCSCF densities on the MO basis
END_DOC
call ao_to_mo(mcscf_fock_alpha_ao,ao_num,mcscf_fock_alpha_mo,mo_num)
call ao_to_mo(mcscf_fock_beta_ao,ao_num,mcscf_fock_beta_mo,mo_num)
END_PROVIDER
END_PROVIDER
BEGIN_PROVIDER [ double precision, mcscf_fock_mo, (mo_num,mo_num) ]
&BEGIN_PROVIDER [ double precision, mcscf_fock_diag_mo, (mo_num)]
@ -118,13 +148,13 @@ END_PROVIDER
! |-----------------------|
! | Fcv | F^a | Rvv |
!
! C: Core, O: Open, V: Virtual
!
! C: Core, O: Open, V: Virtual
!
! Rcc = Acc Fcc^a + Bcc Fcc^b
! Roo = Aoo Foo^a + Boo Foo^b
! Rvv = Avv Fvv^a + Bvv Fvv^b
! Fcv = (F^a + F^b)/2
!
!
! F^a: Fock matrix alpha (MO), F^b: Fock matrix beta (MO)
! A,B: Coupling parameters
!
@ -133,7 +163,7 @@ END_PROVIDER
! cc oo vv
! A -0.5 0.5 1.5
! B 1.5 0.5 -0.5
!
!
END_DOC
integer :: i,j,n
if (elec_alpha_num == elec_beta_num) then
@ -194,4 +224,4 @@ END_PROVIDER
do i = 1, mo_num
mcscf_fock_diag_mo(i) = mcscf_fock_mo(i,i)
enddo
END_PROVIDER
END_PROVIDER