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qp_plugins_scemama/devel/cc/form_r2.irp.f

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2019-09-09 16:51:15 +02:00
subroutine form_r2(nO,nV,gvv,goo,aoooo,bvvvv,hovvo,t1,t2,tau,r2)
! Form tau in CCSD
implicit none
! Input variables
integer,intent(in) :: nO,nV
double precision,intent(in) :: gvv(nV,nV)
double precision,intent(in) :: goo(nO,nO)
double precision,intent(in) :: aoooo(nO,nO,nO,nO)
double precision,intent(in) :: bvvvv(nV,nV,nV,nV)
double precision,intent(in) :: hovvo(nO,nV,nV,nO)
double precision,intent(in) :: t1(nO,nV)
double precision,intent(in) :: t2(nO,nO,nV,nV)
double precision,intent(in) :: tau(nO,nO,nV,nV)
! Local variables
integer :: i,j,k,l
integer :: a,b,c,d
! Output variables
double precision,intent(out) :: r2(nO,nO,nV,nV)
r2(:,:,:,:) = OOVV(:,:,:,:)
do b=1,nV
do a=1,nV
do j=1,nO
do i=1,nO
do k=1,nO
do l=1,nO
r2(i,j,a,b) = r2(i,j,a,b) + aoooo(i,j,k,l)*tau(k,l,a,b)
end do
end do
do d=1,nV
do c=1,nV
r2(i,j,a,b) = r2(i,j,a,b) + bvvvv(c,d,a,b)*tau(i,j,c,d)
end do
end do
do c=1,nV
r2(i,j,a,b) = r2(i,j,a,b) + gvv(c,a)*t2(i,j,c,b)
end do
do k=1,nO
r2(i,j,a,b) = r2(i,j,a,b) + OVOO(k,a,i,j)*t1(k,b)
end do
do c=1,nV
r2(i,j,a,b) = r2(i,j,a,b) - gvv(c,b)*t2(i,j,c,a)
end do
do k=1,nO
r2(i,j,a,b) = r2(i,j,a,b) - OVOO(k,b,i,j)*t1(k,a)
end do
do k=1,nO
r2(i,j,a,b) = r2(i,j,a,b) - goo(i,k)*t2(k,j,a,b)
end do
do c=1,nV
r2(i,j,a,b) = r2(i,j,a,b) + OVVV(j,c,b,a)*t1(i,c)
end do
do k=1,nO
r2(i,j,a,b) = r2(i,j,a,b) + goo(j,k)*t2(k,i,a,b)
end do
do c=1,nV
r2(i,j,a,b) = r2(i,j,a,b) - OVVV(i,c,b,a)*t1(j,c)
end do
do k=1,nO
do c=1,nV
r2(i,j,a,b) = r2(i,j,a,b) + hovvo(i,c,a,k)*t2(j,k,b,c)
end do
end do
do k=1,nO
do c=1,nV
r2(i,j,a,b) = r2(i,j,a,b) - OVVO(i,c,a,k)*t1(j,c)*t1(k,b)
end do
end do
do k=1,nO
do c=1,nV
r2(i,j,a,b) = r2(i,j,a,b) - hovvo(j,c,a,k)*t2(i,k,b,c)
end do
end do
do c=1,nV
do k=1,nO
r2(i,j,a,b) = r2(i,j,a,b) + OVVO(j,c,a,k)*t1(i,c)*t1(k,b)
end do
end do
do c=1,nV
do k=1,nO
r2(i,j,a,b) = r2(i,j,a,b) - hovvo(i,c,b,k)*t2(j,k,a,c)
end do
end do
do c=1,nV
do k=1,nO
r2(i,j,a,b) = r2(i,j,a,b) + OVVO(i,c,b,k)*t1(j,c)*t1(k,a)
end do
end do
do c=1,nV
do k=1,nO
r2(i,j,a,b) = r2(i,j,a,b) + hovvo(j,c,b,k)*t2(i,k,a,c)
end do
end do
do c=1,nV
do k=1,nO
r2(i,j,a,b) = r2(i,j,a,b) - OVVO(j,c,b,k)*t1(i,c)*t1(k,a)
end do
end do
end do
end do
end do
end do
end subroutine form_r2