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mirror of https://github.com/pfloos/quack synced 2024-11-19 20:42:44 +01:00

CI module

This commit is contained in:
Pierre-Francois Loos 2023-07-23 10:29:24 +02:00
parent 75f4839725
commit f5f34d9668
2 changed files with 134 additions and 70 deletions

122
src/CI/CI.f90 Normal file
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@ -0,0 +1,122 @@
subroutine CI(doCIS,doCIS_D,doCID,doCISD,doFCI,unrestricted,singlet,triplet,spin_conserved,spin_flip, &
nBas,nC,nO,nV,nR,nS,ERI,ERI_aaaa,ERI_aabb,ERI_bbbb,dipole_int,dipole_int_aa,dipole_int_bb, &
epsHF,EHF,cHF,S,F)
! Configuration interaction module
implicit none
include 'parameters.h'
! Input variables
logical :: doCIS
logical :: doCIS_D
logical :: doCID
logical :: doCISD
logical :: doFCI
logical :: unrestricted
logical,intent(in) :: singlet
logical,intent(in) :: triplet
logical,intent(in) :: spin_conserved
logical,intent(in) :: spin_flip
integer,intent(in) :: nBas
integer,intent(in) :: nC(nspin)
integer,intent(in) :: nO(nspin)
integer,intent(in) :: nV(nspin)
integer,intent(in) :: nR(nspin)
integer,intent(in) :: nS(nspin)
double precision,intent(in) :: EHF
double precision,intent(in) :: epsHF(nBas,nspin)
double precision,intent(in) :: cHF(nBas,nBas,nspin)
double precision,intent(in) :: F(nBas,nBas)
double precision,intent(in) :: S(nBas,nBas)
double precision,intent(in) :: ERI(nBas,nBas,nBas,nBas)
double precision,intent(in) :: ERI_aaaa(nBas,nBas,nBas,nBas)
double precision,intent(in) :: ERI_aabb(nBas,nBas,nBas,nBas)
double precision,intent(in) :: ERI_bbbb(nBas,nBas,nBas,nBas)
double precision,intent(in) :: dipole_int(nBas,nBas,ncart)
double precision,intent(in) :: dipole_int_aa(nBas,nBas,ncart,nspin)
double precision,intent(in) :: dipole_int_bb(nBas,nBas,ncart,nspin)
! Local variables
double precision :: start_CI ,end_CI ,t_CI
!------------------------------------------------------------------------
! Compute CIS excitations
!------------------------------------------------------------------------
if(doCIS) then
call cpu_time(start_CI)
if(unrestricted) then
call UCIS(spin_conserved,spin_flip,nBas,nC,nO,nV,nR,nS,ERI_aaaa,ERI_aabb, &
ERI_bbbb,dipole_int_aa,dipole_int_bb,epsHF,cHF,S)
else
call CIS(singlet,triplet,doCIS_D,nBas,nC,nO,nV,nR,nS,ERI,dipole_int,epsHF)
end if
call cpu_time(end_CI)
t_CI = end_CI - start_CI
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for CIS = ',t_CI,' seconds'
write(*,*)
end if
!------------------------------------------------------------------------
! Compute CID excitations
!------------------------------------------------------------------------
if(doCID) then
call cpu_time(start_CI)
call CID(singlet,triplet,nBas,nC,nO,nV,nR,ERI,F,EHF)
call cpu_time(end_CI)
t_CI = end_CI - start_CI
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for CID = ',t_CI,' seconds'
write(*,*)
end if
!------------------------------------------------------------------------
! Compute CISD excitations
!------------------------------------------------------------------------
if(doCISD) then
call cpu_time(start_CI)
call CISD(singlet,triplet,nBas,nC,nO,nV,nR,ERI,F,EHF)
call cpu_time(end_CI)
t_CI = end_CI - start_CI
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for CISD = ',t_CI,' seconds'
write(*,*)
end if
!------------------------------------------------------------------------
! Compute FCI
!------------------------------------------------------------------------
if(doFCI) then
call cpu_time(start_CI)
write(*,*) ' FCI is not yet implemented! Sorry.'
! call FCI(nBas,nC,nO,nV,nR,ERI,epsHF)
call cpu_time(end_CI)
t_CI = end_CI - start_CI
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for FCI = ',t_CI,' seconds'
write(*,*)
end if
end subroutine

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@ -10,7 +10,7 @@ program QuAcK
logical :: doMP,doMP2,doMP3
logical :: doCC,doCCD,dopCCD,doDCD,doCCSD,doCCSDT
logical :: do_drCCD,do_rCCD,do_crCCD,do_lCCD
logical :: doCIS,doCIS_D,doCID,doCISD,doFCI
logical :: doCI,doCIS,doCIS_D,doCID,doCISD,doFCI
logical :: dophRPA,dophRPAx,docrRPA,doppRPA
logical :: doG0F2,doevGF2,doqsGF2,doG0F3,doevGF3
logical :: doG0W0,doevGW,doqsGW,doufG0W0,doufGW,doSRGqsGW
@ -52,8 +52,6 @@ program QuAcK
double precision,allocatable :: ERI_MO_aaaa(:,:,:,:)
double precision,allocatable :: ERI_MO_aabb(:,:,:,:)
double precision,allocatable :: ERI_MO_bbbb(:,:,:,:)
double precision,allocatable :: ERI_ERF_AO(:,:,:,:)
double precision,allocatable :: ERI_ERF_MO(:,:,:,:)
double precision :: start_QuAcK ,end_QuAcK ,t_QuAcK
double precision :: start_int ,end_int ,t_int
@ -235,10 +233,12 @@ program QuAcK
unrestricted = .true.
call cpu_time(start_KS)
write(*,*)
write(*,*) 'KS module has been disabled for now! Sorry.'
write(*,*)
! call eDFT(maxSCF_HF,thresh_HF,n_diis_HF,guess_type,mix,level_shift,nNuc,ZNuc,rNuc,ENuc,nBas,nEl,nC, &
! nO,nV,nR,nShell,TotAngMomShell,CenterShell,KShell,DShell,ExpShell, &
! max_ang_mom,min_exponent,max_exponent,S,T,V,Hc,X,ERI_AO,dipole_int_AO,EHF,epsHF,cHF,PHF,Vxc)
call cpu_time(end_KS)
t_KS = end_KS - start_KS
@ -394,60 +394,19 @@ program QuAcK
end if
!------------------------------------------------------------------------
! Compute CIS excitations
! Configuration interaction module
!------------------------------------------------------------------------
if(doCIS) then
doCI = doCIS .or. doCID .or. doCISD .or. doFCI
if(doCI) then
call cpu_time(start_CI)
if(unrestricted) then
call UCIS(spin_conserved,spin_flip,nBas,nC,nO,nV,nR,nS,ERI_MO_aaaa,ERI_MO_aabb, &
ERI_MO_bbbb,dipole_int_aa,dipole_int_bb,epsHF,cHF,S)
else
call CIS(singlet,triplet,doCIS_D,nBas,nC,nO,nV,nR,nS,ERI_MO,dipole_int_MO,epsHF)
end if
call CI(singlet,triplet,nBas,nC,nO,nV,nR,ERI_MO,F_MO,EHF)
call cpu_time(end_CI)
t_CI = end_CI - start_CI
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for CIS = ',t_CI,' seconds'
write(*,*)
end if
!------------------------------------------------------------------------
! Compute CID excitations
!------------------------------------------------------------------------
if(doCID) then
call cpu_time(start_CI)
call CID(singlet,triplet,nBas,nC,nO,nV,nR,ERI_MO,F_MO,EHF)
call cpu_time(end_CI)
t_CI = end_CI - start_CI
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for CID = ',t_CI,' seconds'
write(*,*)
end if
!------------------------------------------------------------------------
! Compute CISD excitations
!------------------------------------------------------------------------
if(doCISD) then
call cpu_time(start_CI)
call CISD(singlet,triplet,nBas,nC,nO,nV,nR,ERI_MO,F_MO,EHF)
call cpu_time(end_CI)
t_CI = end_CI - start_CI
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for CISD = ',t_CI,' seconds'
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for CI = ',t_CI,' seconds'
write(*,*)
end if
@ -503,7 +462,7 @@ program QuAcK
end if
!------------------------------------------------------------------------
! Compute cr-RPA excitations
! Compute crRPA excitations
!------------------------------------------------------------------------
if(docrRPA) then
@ -519,7 +478,7 @@ program QuAcK
end if
!------------------------------------------------------------------------
! Compute pp-RPA excitations
! Compute ppRPA excitations
!------------------------------------------------------------------------
if(doppRPA) then
@ -999,23 +958,6 @@ program QuAcK
end if
!------------------------------------------------------------------------
! Compute FCI
!------------------------------------------------------------------------
if(doFCI) then
call cpu_time(start_CI)
write(*,*) ' FCI is not yet implemented! Sorry.'
! call FCI(nBas,nC,nO,nV,nR,ERI_MO,epsHF)
call cpu_time(end_CI)
t_CI = end_CI - start_CI
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for FCI = ',t_CI,' seconds'
write(*,*)
end if
!------------------------------------------------------------------------
! End of QuAcK
!------------------------------------------------------------------------