quack/src/CC/form_delta_OOVV.f90

34 lines
625 B
Fortran

subroutine form_delta_OOVV(nC,nO,nV,nR,eO,eV,delta)
! Form energy denominator for CC
implicit none
! Input variables
integer,intent(in) :: nC,nO,nV,nR
double precision,intent(in) :: eO(nO-nC)
double precision,intent(in) :: eV(nV-nR)
! Local variables
integer :: i,j,a,b
! Output variables
double precision,intent(out) :: delta(nO-nC,nO-nC,nV-nR,nV-nR)
do i=1,nO-nC
do j=1,nO-nC
do a=1,nV-nR
do b=1,nV-nR
delta(i,j,a,b) = eV(a) + eV(b) - eO(i) - eO(j)
end do
end do
end do
end do
end subroutine