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45 lines
855 B
Fortran
45 lines
855 B
Fortran
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! ---
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BEGIN_PROVIDER [ double precision, psi_bitcleft_bilinear_matrix_values, (N_det,N_states) ]
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BEGIN_DOC
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! Sparse coefficient matrix if the wave function is expressed in a bilinear form :
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! $D_\alpha^\dagger.C.D_\beta$
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!
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! Rows are $\alpha$ determinants and columns are $\beta$.
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!
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! Order refers to psi_det
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END_DOC
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use bitmasks
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implicit none
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integer :: k, l
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if(N_det .eq. 1) then
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do l = 1, N_states
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psi_bitcleft_bilinear_matrix_values(1,l) = 1.d0
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enddo
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else
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do l = 1, N_states
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do k = 1, N_det
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psi_bitcleft_bilinear_matrix_values(k,l) = psi_l_coef_bi_ortho(k,l)
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enddo
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enddo
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PROVIDE psi_bilinear_matrix_order
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do l = 1, N_states
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call dset_order(psi_bitcleft_bilinear_matrix_values(1,l), psi_bilinear_matrix_order, N_det)
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enddo
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endif
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END_PROVIDER
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! ---
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