2015-04-01 13:23:02 +02:00
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program mrcc
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implicit none
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read_wf = .True.
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TOUCH read_wf
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2015-04-02 10:13:33 +02:00
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call run
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2015-04-09 21:46:37 +02:00
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call run_mrcc
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! call run_mrcc_test
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2015-04-02 10:13:33 +02:00
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end
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2015-04-01 13:23:02 +02:00
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2015-04-02 10:13:33 +02:00
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subroutine run
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implicit none
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2015-04-01 13:23:02 +02:00
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print *, N_det
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print *, N_det_cas
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print *, N_det_sd
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2015-04-09 21:46:37 +02:00
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integer :: i,j
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2015-04-01 13:23:02 +02:00
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print *, 'CAS'
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print *, '==='
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do i=1,N_det_cas
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print *, psi_cas_coefs(i,:)
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call debug_det(psi_cas(1,1,i),N_int)
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enddo
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2015-04-09 21:46:37 +02:00
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print *, 'SD'
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print *, '=='
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do i=1,N_det_sd
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print *, psi_sd_coefs(i,:)
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call debug_det(psi_sd(1,1,i),N_int)
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enddo
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print *, 'xxx', 'Energy CAS+SD', ci_energy
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end
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subroutine run_mrcc_test
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implicit none
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integer :: i,j
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double precision :: pt2
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pt2 = 0.d0
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do j=1,N_det
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do i=1,N_det
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pt2 += psi_coef(i,1)*psi_coef(j,1) * delta_ij(i,j,1)
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enddo
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enddo
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print *, ci_energy(1)
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print *, ci_energy(1)+pt2
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end
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subroutine run_mrcc
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implicit none
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integer :: i,j
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2015-04-01 13:23:02 +02:00
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print *, 'MRCC'
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print *, '===='
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2015-04-09 21:46:37 +02:00
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print *, ''
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print *, 'CAS+SD energy : ', ci_energy_dressed(:)
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print *, ''
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! call diagonalize_ci_dressed
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! call save_wavefunction_unsorted
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double precision :: E_new, E_old, delta_e
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integer :: iteration
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E_new = 0.d0
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delta_E = 1.d0
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iteration = 0
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do while (delta_E > 1.d-8)
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iteration += 1
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print *, '==========================='
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print *, 'MRCC Iteration', iteration
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print *, '==========================='
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print *, ''
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E_old = sum(ci_energy_dressed)
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call diagonalize_ci_dressed
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E_new = sum(ci_energy_dressed)
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delta_E = dabs(E_new - E_old)
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call write_double(6,ci_energy_dressed(1),"MRCC energy")
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enddo
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2015-04-01 13:23:02 +02:00
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end
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