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mirror of https://github.com/pfloos/quack synced 2024-06-02 03:15:31 +02:00
quack/src/CC/RCC.f90

172 lines
5.0 KiB
Fortran

subroutine RCC(doCCD,dopCCD,doDCD,doCCSD,doCCSDT,dodrCCD,dorCCD,docrCCD,dolCCD, &
maxSCF,thresh,max_diis,nBas,nC,nO,nV,nR,ERI,ENuc,EHF,epsHF)
! Coupled-cluster module
implicit none
include 'parameters.h'
! Input variables
logical :: doCCD
logical :: dopCCD
logical :: doDCD
logical :: doCCSD
logical :: doCCSDT
logical :: dodrCCD
logical :: dorCCD
logical :: docrCCD
logical :: dolCCD
integer,intent(in) :: maxSCF
integer,intent(in) :: max_diis
double precision,intent(in) :: thresh
integer,intent(in) :: nBas
integer,intent(in) :: nC(nspin)
integer,intent(in) :: nO(nspin)
integer,intent(in) :: nV(nspin)
integer,intent(in) :: nR(nspin)
double precision,intent(in) :: ENuc
double precision,intent(in) :: EHF
double precision,intent(in) :: epsHF(nBas)
double precision,intent(in) :: ERI(nBas,nBas,nBas,nBas)
! Local variables
double precision :: start_CC ,end_CC ,t_CC
!------------------------------------------------------------------------
! Perform CCD calculation
!------------------------------------------------------------------------
if(doCCD) then
call wall_time(start_CC)
call CCD(maxSCF,thresh,max_diis,nBas,nC,nO,nV,nR,ERI,ENuc,EHF,epsHF)
call wall_time(end_CC)
t_CC = end_CC - start_CC
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for CCD = ',t_CC,' seconds'
write(*,*)
end if
!------------------------------------------------------------------------
! Perform DCD calculation
!------------------------------------------------------------------------
if(doDCD) then
call wall_time(start_CC)
call DCD(maxSCF,thresh,max_diis,nBas,nC,nO,nV,nR, &
ERI,ENuc,EHF,epsHF)
call wall_time(end_CC)
t_CC = end_CC - start_CC
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for DCD = ',t_CC,' seconds'
write(*,*)
end if
!------------------------------------------------------------------------
! Perform CCSD or CCSD(T) calculation
!------------------------------------------------------------------------
if(doCCSDT) doCCSD = .true.
if(doCCSD) then
call wall_time(start_CC)
call CCSD(maxSCF,thresh,max_diis,doCCSDT,nBas,nC,nO,nV,nR,ERI,ENuc,EHF,epsHF)
call wall_time(end_CC)
t_CC = end_CC - start_CC
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for CCSD or CCSD(T)= ',t_CC,' seconds'
write(*,*)
end if
!------------------------------------------------------------------------
! Perform direct ring CCD calculation
!------------------------------------------------------------------------
if(dodrCCD) then
call wall_time(start_CC)
call drCCD(maxSCF,thresh,max_diis,nBas,nC,nO,nV,nR,ERI,ENuc,EHF,epsHF)
call wall_time(end_CC)
t_CC = end_CC - start_CC
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for direct ring CCD = ',t_CC,' seconds'
write(*,*)
end if
!------------------------------------------------------------------------
! Perform ring CCD calculation
!------------------------------------------------------------------------
if(dorCCD) then
call wall_time(start_CC)
call rCCD(maxSCF,thresh,max_diis,nBas,nC,nO,nV,nR,ERI,ENuc,EHF,epsHF,epsHF)
call wall_time(end_CC)
t_CC = end_CC - start_CC
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for rCCD = ',t_CC,' seconds'
write(*,*)
end if
!------------------------------------------------------------------------
! Perform crossed-ring CCD calculation
!------------------------------------------------------------------------
if(docrCCD) then
call wall_time(start_CC)
call crCCD(maxSCF,thresh,max_diis,nBas,nC,nO,nV,nR,ERI,ENuc,EHF,epsHF)
call wall_time(end_CC)
t_CC = end_CC - start_CC
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for crossed-ring CCD = ',t_CC,' seconds'
write(*,*)
end if
!------------------------------------------------------------------------
! Perform ladder CCD calculation
!------------------------------------------------------------------------
if(dolCCD) then
call wall_time(start_CC)
call lCCD(maxSCF,thresh,max_diis,nBas,nC,nO,nV,nR,ERI,ENuc,EHF,epsHF)
call wall_time(end_CC)
t_CC = end_CC - start_CC
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for ladder CCD = ',t_CC,' seconds'
write(*,*)
end if
!------------------------------------------------------------------------
! Perform pair CCD calculation
!------------------------------------------------------------------------
if(dopCCD) then
call wall_time(start_CC)
call pCCD(maxSCF,thresh,max_diis,nBas,nC,nO,nV,nR,ERI,ENuc,EHF,epsHF)
call wall_time(end_CC)
t_CC = end_CC - start_CC
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for pair CCD = ',t_CC,' seconds'
write(*,*)
end if
end subroutine