mirror of
https://gitlab.com/scemama/qmcchem.git
synced 2024-09-26 19:40:45 +02:00
236 lines
7.2 KiB
FortranFixed
236 lines
7.2 KiB
FortranFixed
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BEGIN_PROVIDER [ double precision, ci_overlap_psidet_postSVD, (size_ci_overlap_psidet_postSVD) ]
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implicit none
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BEGIN_DOC
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! !!!
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! < psi_0 | det(j) >
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! Dimensions : n_svd_coefs2
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END_DOC
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integer :: k, kp
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do k = 1, n_svd_coefs
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do kp = 1, n_svd_coefs
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ci_overlap_psidet_postSVD(kp+(k-1)*n_svd_coefs) = det_alpha_value_SVD(k) * det_beta_value_SVD(kp) * psidet_inv_SVD
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enddo
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enddo
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ci_overlap_psidet_postSVD_min = min(ci_overlap_psidet_postSVD_min,minval(ci_overlap_psidet_postSVD))
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ci_overlap_psidet_postSVD_max = max(ci_overlap_psidet_postSVD_max,maxval(ci_overlap_psidet_postSVD))
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SOFT_TOUCH ci_overlap_psidet_postSVD_min ci_overlap_psidet_postSVD_max
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END_PROVIDER
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BEGIN_PROVIDER [ double precision, ci_h_psidet_postSVD, (size_ci_h_psidet_postSVD) ]
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implicit none
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BEGIN_DOC
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! !!!
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! < psi_0 |H| det(j) >
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! Dimensions : n_svd_coefs2
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END_DOC
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integer :: k, kp, e
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double precision :: T
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do k = 1, n_svd_coefs
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do kp = 1, n_svd_coefs
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T = 0.d0
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do e = 1, elec_alpha_num
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T += det_alpha_grad_lapl_SVD(4,e,k) * det_beta_value_SVD(kp)
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enddo
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do e = elec_beta_num+1, elec_num
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T += det_alpha_value_SVD(k) * det_beta_grad_lapl_SVD(4,e,kp)
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enddo
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ci_h_psidet_postSVD(kp+(k-1)*n_svd_coefs) = -0.5d0*T + E_pot * det_alpha_value_SVD(k) * det_beta_value_SVD(kp)
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ci_h_psidet_postSVD(kp+(k-1)*n_svd_coefs) *= psidet_inv_SVD
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enddo
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enddo
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ci_h_psidet_postSVD_min = min(ci_h_psidet_postSVD_min,minval(ci_h_psidet_postSVD))
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ci_h_psidet_postSVD_max = max(ci_h_psidet_postSVD_max,maxval(ci_h_psidet_postSVD))
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SOFT_TOUCH ci_h_psidet_postSVD_min ci_h_psidet_postSVD_max
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END_PROVIDER
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BEGIN_PROVIDER [ double precision, ci_overlap_matrix_postSVD, (size_ci_overlap_matrix_postSVD) ]
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implicit none
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BEGIN_DOC
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! !!!
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! < det(i) | det(j) >
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! Dimensions : n_svd_coefs2 * n_svd_coefs2
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END_DOC
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integer :: k, kp, l, lp
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double precision :: f
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do k = 1, n_svd_coefs
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do kp = 1, n_svd_coefs
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f = det_alpha_value_SVD(k) * det_beta_value_SVD(kp) * psidet_inv_SVD * psidet_inv_SVD
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do l = 1, n_svd_coefs
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do lp = 1, n_svd_coefs
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ci_overlap_matrix_postSVD(lp+(l-1)*n_svd_coefs+(kp-1)*n_svd_coefs2+(k-1)*n_svd_coefs3) = det_alpha_value_SVD(l) * det_beta_value_SVD(lp) * f
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enddo
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enddo
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enddo
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enddo
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ci_overlap_matrix_postSVD_min = min(ci_overlap_matrix_postSVD_min,minval(ci_overlap_matrix_postSVD))
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ci_overlap_matrix_postSVD_max = max(ci_overlap_matrix_postSVD_max,maxval(ci_overlap_matrix_postSVD))
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SOFT_TOUCH ci_overlap_matrix_postSVD_min ci_overlap_matrix_postSVD_max
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END_PROVIDER
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BEGIN_PROVIDER [ double precision, ci_h_matrix_postSVD, (size_ci_h_matrix_postSVD) ]
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implicit none
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BEGIN_DOC
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! !!!
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! < det(i) | H | det(j) >
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! Dimensions : n_svd_coefs2 * n_svd_coefs2
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END_DOC
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integer :: k, kp, l, lp, e
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double precision :: f, g, h, T, V
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do l = 1, n_svd_coefs
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do lp = 1, n_svd_coefs
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! Lapl D
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g = 0.d0
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do e = 1, elec_alpha_num
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g += det_alpha_grad_lapl_SVD(4,e,l) * det_beta_value_SVD(lp)
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enddo
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do e = elec_alpha_num+1, elec_num
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g += det_alpha_value_SVD(l) * det_beta_grad_lapl_SVD(4,e,lp)
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enddo
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T = g
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! D (Lapl J)/J
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g = 0.d0
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do e = 1, elec_num
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g += jast_lapl_jast_inv(e)
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enddo
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T += det_alpha_value_SVD(l) * det_beta_value_SVD(lp) * g
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! 2 (grad D).(Grad J)/J
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g = 0.d0
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do e = 1, elec_alpha_num
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g += &
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det_alpha_grad_lapl_SVD(1,e,l) * jast_grad_jast_inv_x(e) + &
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det_alpha_grad_lapl_SVD(2,e,l) * jast_grad_jast_inv_y(e) + &
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det_alpha_grad_lapl_SVD(3,e,l) * jast_grad_jast_inv_z(e)
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enddo
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h = 0.d0
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do e = elec_alpha_num+1, elec_num
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h += &
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det_beta_grad_lapl_SVD(1,e,lp) * jast_grad_jast_inv_x(e) + &
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det_beta_grad_lapl_SVD(2,e,lp) * jast_grad_jast_inv_y(e) + &
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det_beta_grad_lapl_SVD(3,e,lp) * jast_grad_jast_inv_z(e)
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enddo
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T += 2.d0 * ( g * det_beta_value_SVD(lp) + h * det_alpha_value_SVD(l) )
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g = det_alpha_value_SVD(l) * det_beta_value_SVD(lp)
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V = E_pot * g
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do e = 1, elec_alpha_num
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V -= pseudo_non_local_SVD(e) * g
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V += det_alpha_pseudo_SVD(e,l) * det_beta_value_SVD(lp)
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enddo
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do e = elec_alpha_num+1, elec_num
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V -= pseudo_non_local_SVD(e) * g
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V += det_alpha_value_SVD(l) * det_beta_pseudo_SVD(e,lp)
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enddo
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f = -0.5d0*T + V
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f *= psidet_inv_SVD * psidet_inv_SVD
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do k = 1, n_svd_coefs
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do kp = 1, n_svd_coefs
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ci_h_matrix_postSVD(kp+(k-1)*n_svd_coefs+(lp-1)*n_svd_coefs2+(l-1)*n_svd_coefs3) = f * det_alpha_value_SVD(k) * det_beta_value_SVD(kp)
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enddo
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enddo
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enddo
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enddo
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ci_h_matrix_postSVD_min = min(ci_h_matrix_postSVD_min,minval(ci_h_matrix_postSVD))
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ci_h_matrix_postSVD_max = max(ci_h_matrix_postSVD_max,maxval(ci_h_matrix_postSVD))
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SOFT_TOUCH ci_h_matrix_postSVD_min ci_h_matrix_postSVD_max
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END_PROVIDER
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BEGIN_PROVIDER [ double precision, ci_h_matrix_diag_postSVD, (size_ci_h_matrix_diag_postSVD) ]
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implicit none
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BEGIN_DOC
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! < det(i) |H| det(j) >
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!
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! Dimensions : n_svd_coefs2
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END_DOC
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integer :: l, lp, e
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double precision :: f, g, h, T, V
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do l = 1, n_svd_coefs
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do lp = 1, n_svd_coefs
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! Lapl D
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g = 0.d0
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do e = 1, elec_alpha_num
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g += det_alpha_grad_lapl_SVD(4,e,l) * det_beta_value_SVD(lp)
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enddo
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do e = elec_alpha_num+1, elec_num
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g += det_alpha_value_SVD(l) * det_beta_grad_lapl_SVD(4,e,lp)
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enddo
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T = g
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! D (Lapl J)/J
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g = 0.d0
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do e = 1, elec_num
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g += jast_lapl_jast_inv(e)
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enddo
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T += det_alpha_value_SVD(l) * det_beta_value_SVD(lp) * g
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! 2 (grad D).(Grad J)/J
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g = 0.d0
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do e = 1, elec_alpha_num
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g += &
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det_alpha_grad_lapl_SVD(1,e,l) * jast_grad_jast_inv_x(e) + &
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det_alpha_grad_lapl_SVD(2,e,l) * jast_grad_jast_inv_y(e) + &
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det_alpha_grad_lapl_SVD(3,e,l) * jast_grad_jast_inv_z(e)
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enddo
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h = 0.d0
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do e = elec_alpha_num+1, elec_num
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h += &
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det_beta_grad_lapl_SVD(1,e,lp) * jast_grad_jast_inv_x(e) + &
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det_beta_grad_lapl_SVD(2,e,lp) * jast_grad_jast_inv_y(e) + &
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det_beta_grad_lapl_SVD(3,e,lp) * jast_grad_jast_inv_z(e)
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enddo
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T += 2.d0 * ( g * det_beta_value_SVD(lp) + h * det_alpha_value_SVD(l) )
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g = det_alpha_value_SVD(l) * det_beta_value_SVD(lp)
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V = E_pot * g
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do e = 1, elec_alpha_num
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V -= pseudo_non_local_SVD(e) * g
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V += det_alpha_pseudo_SVD(e,l) * det_beta_value_SVD(lp)
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enddo
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do e = elec_alpha_num+1, elec_num
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V -= pseudo_non_local_SVD(e) * g
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V += det_alpha_value_SVD(l) * det_beta_pseudo_SVD(e,lp)
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enddo
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f = -0.5d0*T + V
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f *= psidet_inv_SVD * psidet_inv_SVD
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ci_h_matrix_diag_postSVD(lp+(l-1)*n_svd_coefs) = f * det_alpha_value_SVD(l) * det_beta_value_SVD(lp)
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enddo
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enddo
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ci_h_matrix_diag_postSVD_min = min(ci_h_matrix_diag_postSVD_min,minval(ci_h_matrix_diag_postSVD))
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ci_h_matrix_diag_postSVD_max = max(ci_h_matrix_diag_postSVD_max,maxval(ci_h_matrix_diag_postSVD))
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SOFT_TOUCH ci_h_matrix_diag_postSVD_min ci_h_matrix_diag_postSVD_max
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END_PROVIDER
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