2021-01-18 23:51:00 +01:00
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BEGIN_PROVIDER [ double precision, factor_een_blas ]
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implicit none
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BEGIN_DOC
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! ElectronE-electron-nuclei contribution to Jastrow factor
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!
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! 4124.84239750000
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END_DOC
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integer :: i, j, a, p, k, l, lmax, m, n
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double precision :: cn(nnuc), accu
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double precision :: f(nnuc,0:ncord-2,0:ncord-2)
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double precision :: tmp_c(nelec,nnuc,0:ncord,0:ncord-1)
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factor_een_blas = 0.0d0
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! r_{ij}^k . R_{ja}^l -> tmp_c_{ia}^{kl}
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do k=0,ncord-1
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call dgemm('N','N', nelec, nnuc*(ncord+1), nelec, 1.d0, &
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rescale_een_e(1,1,k), size(rescale_een_e,1), &
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rescale_een_n(1,1,0), size(rescale_een_n,1), 0.d0, &
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tmp_c(1,1,0,k), size(tmp_c,1))
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enddo
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do p = 2, ncord
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do k = 0, p - 1
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m = p-k
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if (k > 0) then
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lmax = m
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else
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lmax = m - 2
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endif
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n = shiftr(m,1)
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do l = iand(m, 1), lmax, 2
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do a = 1, nnuc
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cn(a) = cord_vect_lkp(l, k, p, typenuc_arr(a))
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enddo
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do a = 1, nnuc
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accu = 0.d0
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do i=1,nelec
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accu = accu + rescale_een_n(i,a,n) * tmp_c(i,a,n+l,k)
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enddo
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factor_een_blas = factor_een_blas + accu * cn(a)
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enddo
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n = n-1
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enddo
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enddo
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enddo
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END_PROVIDER
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BEGIN_PROVIDER [ double precision, factor_een_deriv_e_blas, (4, nelec) ]
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implicit none
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BEGIN_DOC
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! Dimensions 1-3 : dx, dy, dz
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! Dimension 4 : d2x + d2y + d2z
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END_DOC
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2021-01-23 15:34:36 +01:00
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integer :: i, j, a, p, k, l, lmax, m, n
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double precision :: cn(nnuc), accu(4)
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double precision :: f(nnuc,0:ncord-2,0:ncord-2)
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double precision :: tmp_c(nelec,nnuc,0:ncord,0:ncord-1)
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double precision :: dtmp_c(4,nelec,nnuc,0:ncord,0:ncord-1)
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2021-01-18 23:51:00 +01:00
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factor_een_deriv_e_blas = 0.0d0
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2021-01-23 15:34:36 +01:00
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! r_{ij}^k . R_{ja}^l -> tmp_c_{ia}^{kl}
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do k=0,ncord-1
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call dgemm('N','N', nelec, nnuc*(ncord+1), nelec, 1.d0, &
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rescale_een_e(1,1,k), size(rescale_een_e,1), &
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rescale_een_n(1,1,0), size(rescale_een_n,1), 0.d0, &
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tmp_c(1,1,0,k), size(tmp_c,1))
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enddo
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! dr_{ij}^k . R_{ja}^l -> dtmp_c_{ia}^{kl}
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do k=0,ncord-1
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call dgemm('N','N', 4*nelec, nnuc*(ncord+1), nelec, 1.d0, &
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rescale_een_e_deriv_e(1,1,1,k), 4*size(rescale_een_e_deriv_e,2),&
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rescale_een_n(1,1,0), size(rescale_een_n,1), 0.d0, &
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dtmp_c(1,1,1,0,k), 4*size(dtmp_c,2))
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enddo
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2021-01-18 23:51:00 +01:00
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do p = 2, ncord
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2021-01-23 15:34:36 +01:00
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do k = 0, p - 1
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m = p-k
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if (k > 0) then
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lmax = m
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else
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lmax = m - 2
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endif
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n = shiftr(m,1)
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do l = iand(m, 1), lmax, 2
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do a = 1, nnuc
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cn(a) = cord_vect_lkp(l, k, p, typenuc_arr(a))
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2021-01-18 23:51:00 +01:00
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enddo
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2021-01-23 15:34:36 +01:00
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do a = 1, nnuc
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do i=1,nelec
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accu(1:4) = rescale_een_n(i,a,n) * dtmp_c(1:4,i,a,n+l,k) &
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+ rescale_een_n_deriv_e(1:4,i,a,n) * tmp_c(i,a,n+l,k)
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factor_een_deriv_e_blas(1:4,i) = factor_een_deriv_e_blas(1:4,i) + accu(1:4) * cn(a)
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enddo
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enddo
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n = n-1
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enddo
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enddo
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enddo
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2021-01-18 23:51:00 +01:00
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END_PROVIDER
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