2019-01-25 11:39:31 +01:00
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use map_module
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integer function load_mo_integrals_erf(filename)
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implicit none
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BEGIN_DOC
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! Read from disk the |MO| erf integrals
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END_DOC
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character*(*), intent(in) :: filename
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integer*8 :: i
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integer(cache_key_kind), pointer :: key(:)
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real(integral_kind), pointer :: val(:)
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integer :: iknd, kknd
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integer*8 :: n, j
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load_mo_integrals_erf = 1
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open(unit=66,file=filename,FORM='unformatted',STATUS='UNKNOWN')
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read(66,err=98,end=98) iknd, kknd
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if (iknd /= integral_kind) then
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print *, 'Wrong integrals kind in file :', iknd
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stop 1
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endif
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if (kknd /= key_kind) then
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print *, 'Wrong key kind in file :', kknd
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stop 1
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endif
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read(66,err=98,end=98) mo_integrals_erf_map%sorted, mo_integrals_erf_map%map_size,&
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mo_integrals_erf_map%n_elements
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do i=0_8, mo_integrals_erf_map%map_size
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read(66,err=99,end=99) mo_integrals_erf_map%map(i)%sorted, &
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mo_integrals_erf_map%map(i)%map_size, mo_integrals_erf_map%map(i)%n_elements
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call cache_map_reallocate(mo_integrals_erf_map%map(i),mo_integrals_erf_map%map(i)%map_size)
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enddo
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do i=0_8, mo_integrals_erf_map%map_size
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key => mo_integrals_erf_map%map(i)%key
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val => mo_integrals_erf_map%map(i)%value
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n = mo_integrals_erf_map%map(i)%n_elements
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read(66,err=99,end=99) (key(j), j=1,n), (val(j), j=1,n)
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enddo
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call map_sort(mo_integrals_erf_map)
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load_mo_integrals_erf = 0
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return
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99 continue
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call map_deinit(mo_integrals_erf_map)
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98 continue
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stop 'Problem reading mo_integrals_erf_map file in work/'
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end
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BEGIN_PROVIDER [ type(map_type), mo_integrals_erf_map ]
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implicit none
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BEGIN_DOC
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! |MO| integrals
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END_DOC
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integer(key_kind) :: key_max
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integer(map_size_kind) :: sze
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call two_e_integrals_index(mo_num,mo_num,mo_num,mo_num,key_max)
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sze = key_max
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call map_init(mo_integrals_erf_map,sze)
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print*, 'MO erf map initialized'
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END_PROVIDER
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subroutine insert_into_mo_integrals_erf_map(n_integrals, &
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buffer_i, buffer_values, thr)
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use map_module
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implicit none
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BEGIN_DOC
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! Create new entry into |MO| map, or accumulate in an existing entry
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END_DOC
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integer, intent(in) :: n_integrals
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integer(key_kind), intent(inout) :: buffer_i(n_integrals)
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real(integral_kind), intent(inout) :: buffer_values(n_integrals)
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real(integral_kind), intent(in) :: thr
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call map_update(mo_integrals_erf_map, buffer_i, buffer_values, n_integrals, thr)
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end
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BEGIN_PROVIDER [ integer, mo_integrals_erf_cache_min ]
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&BEGIN_PROVIDER [ integer, mo_integrals_erf_cache_max ]
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implicit none
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BEGIN_DOC
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! Min and max values of the MOs for which the integrals are in the cache
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END_DOC
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mo_integrals_erf_cache_min = max(1,elec_alpha_num - 31)
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mo_integrals_erf_cache_max = min(mo_num,mo_integrals_erf_cache_min+63)
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END_PROVIDER
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BEGIN_PROVIDER [ double precision, mo_integrals_erf_cache, (0:64*64*64*64) ]
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implicit none
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BEGIN_DOC
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! Cache of |MO| integrals for fast access
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END_DOC
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PROVIDE mo_two_e_integrals_erf_in_map
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integer :: i,j,k,l
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integer :: ii
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integer(key_kind) :: idx
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real(integral_kind) :: integral
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FREE ao_integrals_erf_cache
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!$OMP PARALLEL DO PRIVATE (i,j,k,l,idx,ii,integral)
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do l=mo_integrals_erf_cache_min,mo_integrals_erf_cache_max
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do k=mo_integrals_erf_cache_min,mo_integrals_erf_cache_max
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do j=mo_integrals_erf_cache_min,mo_integrals_erf_cache_max
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do i=mo_integrals_erf_cache_min,mo_integrals_erf_cache_max
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!DIR$ FORCEINLINE
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call two_e_integrals_index(i,j,k,l,idx)
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!DIR$ FORCEINLINE
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call map_get(mo_integrals_erf_map,idx,integral)
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ii = l-mo_integrals_erf_cache_min
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ii = ior( ishft(ii,6), k-mo_integrals_erf_cache_min)
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ii = ior( ishft(ii,6), j-mo_integrals_erf_cache_min)
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ii = ior( ishft(ii,6), i-mo_integrals_erf_cache_min)
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mo_integrals_erf_cache(ii) = integral
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enddo
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enddo
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enddo
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enddo
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!$OMP END PARALLEL DO
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END_PROVIDER
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double precision function get_mo_two_e_integral_erf(i,j,k,l,map)
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use map_module
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implicit none
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BEGIN_DOC
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! Returns one integral $\langle ij|kl \rangle$ in the |MO| basis
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END_DOC
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integer, intent(in) :: i,j,k,l
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integer(key_kind) :: idx
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integer :: ii
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type(map_type), intent(inout) :: map
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real(integral_kind) :: tmp
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PROVIDE mo_two_e_integrals_erf_in_map mo_integrals_erf_cache
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ii = l-mo_integrals_erf_cache_min
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ii = ior(ii, k-mo_integrals_erf_cache_min)
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ii = ior(ii, j-mo_integrals_erf_cache_min)
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ii = ior(ii, i-mo_integrals_erf_cache_min)
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if (iand(ii, -64) /= 0) then
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!DIR$ FORCEINLINE
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call two_e_integrals_index(i,j,k,l,idx)
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!DIR$ FORCEINLINE
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call map_get(map,idx,tmp)
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get_mo_two_e_integral_erf = dble(tmp)
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else
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ii = l-mo_integrals_erf_cache_min
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ii = ior( ishft(ii,6), k-mo_integrals_erf_cache_min)
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ii = ior( ishft(ii,6), j-mo_integrals_erf_cache_min)
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ii = ior( ishft(ii,6), i-mo_integrals_erf_cache_min)
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get_mo_two_e_integral_erf = mo_integrals_erf_cache(ii)
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endif
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end
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double precision function mo_two_e_integral_erf(i,j,k,l)
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implicit none
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BEGIN_DOC
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! Returns one integral $\langle ij|kl \rangle$ in the |MO| basis
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END_DOC
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integer, intent(in) :: i,j,k,l
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double precision :: get_mo_two_e_integral_erf
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PROVIDE mo_two_e_integrals_erf_in_map mo_integrals_erf_cache
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!DIR$ FORCEINLINE
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PROVIDE mo_two_e_integrals_erf_in_map
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mo_two_e_integral_erf = get_mo_two_e_integral_erf(i,j,k,l,mo_integrals_erf_map)
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return
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end
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subroutine get_mo_two_e_integrals_erf(j,k,l,sze,out_val,map)
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use map_module
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implicit none
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BEGIN_DOC
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! Returns multiple integrals $\langle ij|kl \rangle$ in the |MO| basis, all
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! i for j,k,l fixed.
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END_DOC
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integer, intent(in) :: j,k,l, sze
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double precision, intent(out) :: out_val(sze)
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type(map_type), intent(inout) :: map
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integer :: i
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integer(key_kind) :: hash(sze)
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real(integral_kind) :: tmp_val(sze)
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PROVIDE mo_two_e_integrals_erf_in_map
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do i=1,sze
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!DIR$ FORCEINLINE
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call two_e_integrals_index(i,j,k,l,hash(i))
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enddo
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if (key_kind == 8) then
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call map_get_many(map, hash, out_val, sze)
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else
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call map_get_many(map, hash, tmp_val, sze)
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! Conversion to double precision
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do i=1,sze
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out_val(i) = dble(tmp_val(i))
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enddo
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endif
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end
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subroutine get_mo_two_e_integrals_erf_ij(k,l,sze,out_array,map)
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use map_module
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implicit none
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BEGIN_DOC
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! Returns multiple integrals $\langle ij|kl \rangle$ in the |MO| basis, all
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! $\int i(1)j(2) \frac{1}{r_{12}} k(1)l(2)$
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! i, j for k,l fixed.
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END_DOC
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integer, intent(in) :: k,l, sze
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double precision, intent(out) :: out_array(sze,sze)
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type(map_type), intent(inout) :: map
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integer :: i,j,kk,ll,m
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integer(key_kind),allocatable :: hash(:)
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integer ,allocatable :: pairs(:,:), iorder(:)
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real(integral_kind), allocatable :: tmp_val(:)
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PROVIDE mo_two_e_integrals_erf_in_map
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allocate (hash(sze*sze), pairs(2,sze*sze),iorder(sze*sze), &
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tmp_val(sze*sze))
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kk=0
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out_array = 0.d0
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do j=1,sze
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do i=1,sze
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kk += 1
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!DIR$ FORCEINLINE
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call two_e_integrals_index(i,j,k,l,hash(kk))
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pairs(1,kk) = i
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pairs(2,kk) = j
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iorder(kk) = kk
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enddo
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enddo
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logical :: integral_is_in_map
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if (key_kind == 8) then
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call i8sort(hash,iorder,kk)
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2019-01-25 11:39:31 +01:00
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else if (key_kind == 4) then
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call isort(hash,iorder,kk)
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2019-01-25 11:39:31 +01:00
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else if (key_kind == 2) then
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call i2sort(hash,iorder,kk)
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2019-01-25 11:39:31 +01:00
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endif
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call map_get_many(mo_integrals_erf_map, hash, tmp_val, kk)
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do ll=1,kk
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m = iorder(ll)
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i=pairs(1,m)
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j=pairs(2,m)
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out_array(i,j) = tmp_val(ll)
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enddo
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deallocate(pairs,hash,iorder,tmp_val)
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end
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subroutine get_mo_two_e_integrals_erf_i1j1(k,l,sze,out_array,map)
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use map_module
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implicit none
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BEGIN_DOC
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! Returns multiple integrals $\langle ik|jl \rangle$ in the |MO| basis, all
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! $\int i(1)j(1) \frac{\erf(\mu * r_{12})}{r_{12}} k(2)l(2)$
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! i, j for k,l fixed.
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END_DOC
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integer, intent(in) :: k,l, sze
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double precision, intent(out) :: out_array(sze,sze)
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type(map_type), intent(inout) :: map
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integer :: i,j,kk,ll,m
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integer(key_kind),allocatable :: hash(:)
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integer ,allocatable :: pairs(:,:), iorder(:)
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real(integral_kind), allocatable :: tmp_val(:)
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PROVIDE mo_two_e_integrals_erf_in_map
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allocate (hash(sze*sze), pairs(2,sze*sze),iorder(sze*sze), &
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tmp_val(sze*sze))
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kk=0
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out_array = 0.d0
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do j=1,sze
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do i=1,sze
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kk += 1
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!DIR$ FORCEINLINE
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call two_e_integrals_index(i,k,j,l,hash(kk))
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pairs(1,kk) = i
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pairs(2,kk) = j
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iorder(kk) = kk
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enddo
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enddo
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logical :: integral_is_in_map
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if (key_kind == 8) then
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call i8sort(hash,iorder,kk)
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2019-01-25 11:39:31 +01:00
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else if (key_kind == 4) then
|
2023-02-16 11:00:25 +01:00
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call isort(hash,iorder,kk)
|
2019-01-25 11:39:31 +01:00
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else if (key_kind == 2) then
|
2023-02-16 11:00:25 +01:00
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|
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call i2sort(hash,iorder,kk)
|
2019-01-25 11:39:31 +01:00
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|
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endif
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call map_get_many(mo_integrals_erf_map, hash, tmp_val, kk)
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|
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|
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do ll=1,kk
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|
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|
|
m = iorder(ll)
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|
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|
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i=pairs(1,m)
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|
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|
|
j=pairs(2,m)
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|
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|
|
out_array(i,j) = tmp_val(ll)
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enddo
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|
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|
|
deallocate(pairs,hash,iorder,tmp_val)
|
|
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end
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subroutine get_mo_two_e_integrals_erf_coulomb_ii(k,l,sze,out_val,map)
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|
|
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use map_module
|
|
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|
|
implicit none
|
|
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|
|
BEGIN_DOC
|
|
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|
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! Returns multiple integrals $\langle ki|li \rangle$
|
|
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!
|
|
|
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! k(1)i(2) 1/r12 l(1)i(2) :: out_val(i1)
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|
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! for k,l fixed.
|
|
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|
END_DOC
|
|
|
|
|
integer, intent(in) :: k,l, sze
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|
|
|
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double precision, intent(out) :: out_val(sze)
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|
|
|
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type(map_type), intent(inout) :: map
|
|
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|
|
integer :: i
|
|
|
|
|
integer(key_kind) :: hash(sze)
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|
|
|
|
real(integral_kind) :: tmp_val(sze)
|
|
|
|
|
PROVIDE mo_two_e_integrals_erf_in_map
|
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|
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|
|
|
|
integer :: kk
|
|
|
|
|
do i=1,sze
|
|
|
|
|
!DIR$ FORCEINLINE
|
|
|
|
|
call two_e_integrals_index(k,i,l,i,hash(i))
|
|
|
|
|
enddo
|
|
|
|
|
|
|
|
|
|
if (key_kind == 8) then
|
|
|
|
|
call map_get_many(map, hash, out_val, sze)
|
|
|
|
|
else
|
|
|
|
|
call map_get_many(map, hash, tmp_val, sze)
|
|
|
|
|
! Conversion to double precision
|
|
|
|
|
do i=1,sze
|
|
|
|
|
out_val(i) = dble(tmp_val(i))
|
|
|
|
|
enddo
|
|
|
|
|
endif
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
subroutine get_mo_two_e_integrals_erf_exch_ii(k,l,sze,out_val,map)
|
|
|
|
|
use map_module
|
|
|
|
|
implicit none
|
|
|
|
|
BEGIN_DOC
|
|
|
|
|
! Returns multiple integrals $\langle ki|il \rangle$
|
|
|
|
|
!
|
|
|
|
|
! $\int k(1)i(2) \frac{1}{r_{12}} i(1)l(2)$ :: out_val(i1)
|
|
|
|
|
! for k,l fixed.
|
|
|
|
|
END_DOC
|
|
|
|
|
integer, intent(in) :: k,l, sze
|
|
|
|
|
double precision, intent(out) :: out_val(sze)
|
|
|
|
|
type(map_type), intent(inout) :: map
|
|
|
|
|
integer :: i
|
|
|
|
|
integer(key_kind) :: hash(sze)
|
|
|
|
|
real(integral_kind) :: tmp_val(sze)
|
|
|
|
|
PROVIDE mo_two_e_integrals_erf_in_map
|
|
|
|
|
|
|
|
|
|
integer :: kk
|
|
|
|
|
do i=1,sze
|
|
|
|
|
!DIR$ FORCEINLINE
|
|
|
|
|
call two_e_integrals_index(k,i,i,l,hash(i))
|
|
|
|
|
enddo
|
|
|
|
|
|
|
|
|
|
if (key_kind == 8) then
|
|
|
|
|
call map_get_many(map, hash, out_val, sze)
|
|
|
|
|
else
|
|
|
|
|
call map_get_many(map, hash, tmp_val, sze)
|
|
|
|
|
! Conversion to double precision
|
|
|
|
|
do i=1,sze
|
|
|
|
|
out_val(i) = dble(tmp_val(i))
|
|
|
|
|
enddo
|
|
|
|
|
endif
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
integer*8 function get_mo_erf_map_size()
|
|
|
|
|
implicit none
|
|
|
|
|
BEGIN_DOC
|
|
|
|
|
! Returns the number of elements in the |MO| map
|
|
|
|
|
END_DOC
|
|
|
|
|
get_mo_erf_map_size = mo_integrals_erf_map % n_elements
|
|
|
|
|
end
|
