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117 lines
2.9 KiB
Fortran
117 lines
2.9 KiB
Fortran
program import_integrals_mo
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call run
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end
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subroutine run
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use map_module
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implicit none
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BEGIN_DOC
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! Program to import integrals in the MO basis.
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!
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! one-electron integrals : format is : i j value
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! two-electron integrals : format is : i j k l value
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! Dirac's notation is used : <ij|kl> is <r1 r2|r1 r2>
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!
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! These files are read:
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!
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! E.qp : Contains the nuclear repulsion energy
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!
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! Tmo.qp : kinetic energy integrals
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!
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! Smo.qp : overlap matrix
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!
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! Pmo.qp : pseudopotential integrals
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!
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! Vmo.qp : electron-nucleus potential
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!
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! Wmo.qp : electron repulsion integrals
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!
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END_DOC
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integer :: iunit
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integer :: getunitandopen
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integer ::i,j,k,l
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double precision :: integral
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double precision, allocatable :: A(:,:)
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integer :: n_integrals
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integer(key_kind), allocatable :: buffer_i(:)
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real(integral_kind), allocatable :: buffer_values(:)
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call ezfio_set_mo_basis_mo_num(mo_num)
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allocate (A(mo_num,mo_num))
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A(1,1) = huge(1.d0)
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iunit = getunitandopen('E.qp','r')
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read (iunit,*,end=9) A(1,1)
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9 continue
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close(iunit)
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if (A(1,1) /= huge(1.d0)) then
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call ezfio_set_nuclei_nuclear_repulsion(A(1,1))
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call ezfio_set_nuclei_io_nuclear_repulsion("Read")
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endif
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A = 0.d0
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iunit = getunitandopen('Tmo.qp','r')
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do
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read (iunit,*,end=10) i,j, integral
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A(i,j) = integral
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enddo
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10 continue
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close(iunit)
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call ezfio_set_mo_one_e_ints_mo_integrals_kinetic(A(1:mo_num, 1:mo_num))
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call ezfio_set_mo_one_e_ints_io_mo_integrals_kinetic("Read")
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A = 0.d0
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iunit = getunitandopen('Pmo.qp','r')
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do
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read (iunit,*,end=14) i,j, integral
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A(i,j) = integral
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enddo
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14 continue
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close(iunit)
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call ezfio_set_mo_one_e_ints_mo_integrals_pseudo(A(1:mo_num,1:mo_num))
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call ezfio_set_mo_one_e_ints_io_mo_integrals_pseudo("Read")
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A = 0.d0
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iunit = getunitandopen('Vmo.qp','r')
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do
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read (iunit,*,end=12) i,j, integral
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A(i,j) = integral
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enddo
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12 continue
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close(iunit)
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call ezfio_set_mo_one_e_ints_mo_integrals_e_n(A(1:mo_num, 1:mo_num))
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call ezfio_set_mo_one_e_ints_io_mo_integrals_e_n("Read")
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allocate(buffer_i(mo_num**3), buffer_values(mo_num**3))
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iunit = getunitandopen('Wmo.qp','r')
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n_integrals=0
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buffer_values = 0.d0
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do
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read (iunit,*,end=13) i,j,k,l, integral
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n_integrals += 1
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call two_e_integrals_index(i, j, k, l, buffer_i(n_integrals) )
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buffer_values(n_integrals) = integral
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if (n_integrals == size(buffer_i)) then
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call insert_into_mo_integrals_map(n_integrals,buffer_i,buffer_values)
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n_integrals = 0
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endif
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enddo
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13 continue
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close(iunit)
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if (n_integrals > 0) then
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call insert_into_mo_integrals_map(n_integrals,buffer_i,buffer_values)
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endif
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call map_sort(mo_integrals_map)
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call map_unique(mo_integrals_map)
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call map_save_to_disk(trim(ezfio_filename)//'/work/mo_ints',mo_integrals_map)
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call ezfio_set_mo_two_e_ints_io_mo_two_e_integrals('Read')
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end
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