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https://github.com/LCPQ/quantum_package
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548 lines
14 KiB
Fortran
548 lines
14 KiB
Fortran
use map_module
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!! AO Map
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!! ======
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BEGIN_PROVIDER [ type(map_type), ao_integrals_map ]
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implicit none
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BEGIN_DOC
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! AO 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 bielec_integrals_index(ao_num,ao_num,ao_num,ao_num,key_max)
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sze = key_max
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call map_init(ao_integrals_map,sze)
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print*, 'AO map initialized'
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END_PROVIDER
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subroutine bielec_integrals_index(i,j,k,l,i1)
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use map_module
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implicit none
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integer, intent(in) :: i,j,k,l
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integer(key_kind), intent(out) :: i1
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integer(key_kind) :: p,q,r,s,i2
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p = min(i,k)
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r = max(i,k)
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p = p+ishft(r*r-r,-1)
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q = min(j,l)
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s = max(j,l)
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q = q+ishft(s*s-s,-1)
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i1 = min(p,q)
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i2 = max(p,q)
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i1 = i1+ishft(i2*i2-i2,-1)
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end
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subroutine bielec_integrals_index_reverse(i,j,k,l,i1)
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use map_module
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implicit none
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integer, intent(out) :: i(8),j(8),k(8),l(8)
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integer(key_kind), intent(in) :: i1
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integer(key_kind) :: i2,i3
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i = 0
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i2 = ceiling(0.5d0*(dsqrt(8.d0*dble(i1)+1.d0)-1.d0))
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l(1) = ceiling(0.5d0*(dsqrt(8.d0*dble(i2)+1.d0)-1.d0))
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i3 = i1 - ishft(i2*i2-i2,-1)
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k(1) = ceiling(0.5d0*(dsqrt(8.d0*dble(i3)+1.d0)-1.d0))
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j(1) = i2 - ishft(l(1)*l(1)-l(1),-1)
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i(1) = i3 - ishft(k(1)*k(1)-k(1),-1)
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!ijkl
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i(2) = i(1) !ilkj
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j(2) = l(1)
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k(2) = k(1)
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l(2) = j(1)
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i(3) = k(1) !kjil
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j(3) = j(1)
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k(3) = i(1)
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l(3) = l(1)
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i(4) = k(1) !klij
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j(4) = l(1)
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k(4) = i(1)
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l(4) = j(1)
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i(5) = j(1) !jilk
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j(5) = i(1)
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k(5) = l(1)
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l(5) = k(1)
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i(6) = j(1) !jkli
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j(6) = k(1)
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k(6) = l(1)
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l(6) = i(1)
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i(7) = l(1) !lijk
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j(7) = i(1)
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k(7) = j(1)
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l(7) = k(1)
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i(8) = l(1) !lkji
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j(8) = k(1)
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k(8) = j(1)
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l(8) = i(1)
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integer :: ii, jj
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do ii=2,8
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do jj=1,ii-1
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if ( (i(ii) == i(jj)).and. &
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(j(ii) == j(jj)).and. &
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(k(ii) == k(jj)).and. &
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(l(ii) == l(jj)) ) then
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i(ii) = 0
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exit
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endif
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enddo
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enddo
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do ii=1,8
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if (i(ii) /= 0) then
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call bielec_integrals_index(i(ii),j(ii),k(ii),l(ii),i2)
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if (i1 /= i2) then
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print *, i1, i2
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print *, i(ii), j(jj), k(jj), l(jj)
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stop 'bielec_integrals_index_reverse failed'
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endif
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endif
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enddo
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end
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double precision function get_ao_bielec_integral(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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! Gets one AO bi-electronic integral from the AO map
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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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type(map_type), intent(inout) :: map
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real(integral_kind) :: tmp
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PROVIDE ao_bielec_integrals_in_map
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!DIR$ FORCEINLINE
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if (ao_overlap_abs(i,k)*ao_overlap_abs(j,l) < ao_integrals_threshold ) then
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tmp = 0.d0
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else if (ao_bielec_integral_schwartz(i,k)*ao_bielec_integral_schwartz(j,l) < ao_integrals_threshold) then
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tmp = 0.d0
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else
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call bielec_integrals_index(i,j,k,l,idx)
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call map_get(map,idx,tmp)
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endif
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get_ao_bielec_integral = tmp
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end
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subroutine get_ao_bielec_integrals(j,k,l,sze,out_val)
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use map_module
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BEGIN_DOC
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! Gets multiple AO bi-electronic integral from the AO map .
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! All i are retrieved for j,k,l fixed.
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END_DOC
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implicit none
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integer, intent(in) :: j,k,l, sze
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real(integral_kind), intent(out) :: out_val(sze)
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integer :: i
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integer(key_kind) :: hash
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double precision :: thresh
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PROVIDE ao_bielec_integrals_in_map ao_integrals_map
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thresh = ao_integrals_threshold
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if (ao_overlap_abs(j,l) < thresh) then
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out_val = 0.d0
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return
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endif
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do i=1,sze
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if (ao_overlap_abs(i,k)*ao_overlap_abs(j,l) < thresh ) then
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out_val(i) = 0.d0
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else if (ao_bielec_integral_schwartz(i,k)*ao_bielec_integral_schwartz(j,l) < thresh) then
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out_val(i)=0.d0
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else
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!DIR$ FORCEINLINE
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call bielec_integrals_index(i,j,k,l,hash)
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call map_get(ao_integrals_map, hash, out_val(i))
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endif
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enddo
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end
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subroutine get_ao_bielec_integrals_non_zero(j,k,l,sze,out_val,out_val_index,non_zero_int)
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use map_module
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implicit none
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BEGIN_DOC
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! Gets multiple AO bi-electronic integral from the AO map .
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! All non-zero i are retrieved 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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real(integral_kind), intent(out) :: out_val(sze)
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integer, intent(out) :: out_val_index(sze),non_zero_int
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integer :: i
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integer(key_kind) :: hash
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double precision :: thresh,tmp
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PROVIDE ao_bielec_integrals_in_map
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thresh = ao_integrals_threshold
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non_zero_int = 0
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if (ao_overlap_abs(j,l) < thresh) then
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out_val = 0.d0
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return
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endif
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non_zero_int = 0
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do i=1,sze
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integer, external :: ao_l4
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double precision, external :: ao_bielec_integral
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!DIR$ FORCEINLINE
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if (ao_bielec_integral_schwartz(i,k)*ao_bielec_integral_schwartz(j,l) < thresh) then
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cycle
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endif
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call bielec_integrals_index(i,j,k,l,hash)
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call map_get(ao_integrals_map, hash,tmp)
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if (dabs(tmp) < thresh ) cycle
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non_zero_int = non_zero_int+1
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out_val_index(non_zero_int) = i
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out_val(non_zero_int) = tmp
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enddo
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end
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function get_ao_map_size()
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implicit none
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integer (map_size_kind) :: get_ao_map_size
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BEGIN_DOC
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! Returns the number of elements in the AO map
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END_DOC
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get_ao_map_size = ao_integrals_map % n_elements
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end
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subroutine clear_ao_map
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implicit none
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BEGIN_DOC
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! Frees the memory of the AO map
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END_DOC
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call map_deinit(ao_integrals_map)
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FREE ao_integrals_map
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end
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!! MO Map
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!! ======
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BEGIN_PROVIDER [ type(map_type), mo_integrals_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 bielec_integrals_index(mo_tot_num,mo_tot_num,mo_tot_num,mo_tot_num,key_max)
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sze = key_max
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call map_init(mo_integrals_map,sze)
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print*, 'MO map initialized'
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END_PROVIDER
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subroutine insert_into_ao_integrals_map(n_integrals, &
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buffer_i, buffer_values)
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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 AO map
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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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call map_append(ao_integrals_map, buffer_i, buffer_values, n_integrals)
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end
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subroutine insert_into_mo_integrals_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_map, buffer_i, buffer_values, n_integrals, thr)
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end
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double precision function get_mo_bielec_integral(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 <ij|kl> 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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type(map_type), intent(inout) :: map
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real(integral_kind) :: tmp
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PROVIDE mo_bielec_integrals_in_map
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!DIR$ FORCEINLINE
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call bielec_integrals_index(i,j,k,l,idx)
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call map_get(map,idx,tmp)
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get_mo_bielec_integral = dble(tmp)
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end
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double precision function mo_bielec_integral(i,j,k,l)
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implicit none
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BEGIN_DOC
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! Returns one integral <ij|kl> 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_bielec_integral
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PROVIDE mo_bielec_integrals_in_map
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mo_bielec_integral = get_mo_bielec_integral(i,j,k,l,mo_integrals_map)
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return
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end
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subroutine get_mo_bielec_integrals(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 <ij|kl> 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_bielec_integrals_in_map
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do i=1,sze
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!DIR$ FORCEINLINE
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call bielec_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) = 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_bielec_integrals_existing_ik(j,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 <ij|kl> in the MO basis, all
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! i(1)j(1) 1/r12 k(2)l(2)
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! i for j,k,l fixed.
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END_DOC
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integer, intent(in) :: j,l, sze
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logical, intent(out) :: out_array(sze,sze)
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type(map_type), intent(inout) :: map
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integer :: i,k,kk,ll,m
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integer(key_kind),allocatable :: hash(:)
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integer ,allocatable :: pairs(:,:), iorder(:)
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PROVIDE mo_bielec_integrals_in_map
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allocate (hash(sze*sze), pairs(2,sze*sze),iorder(sze*sze))
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kk=0
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do k=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 bielec_integrals_index(i,j,k,l,hash(kk))
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pairs(1,kk) = i
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pairs(2,kk) = k
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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 i8radix_sort(hash,iorder,kk,-1)
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else if (key_kind == 4) then
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call iradix_sort(hash,iorder,kk,-1)
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else if (key_kind == 2) then
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call i2radix_sort(hash,iorder,kk,-1)
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endif
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call map_exists_many(mo_integrals_map, hash, 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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k=pairs(2,m)
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out_array(i,k) = (hash(ll) /= 0_8)
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enddo
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deallocate(pairs,hash,iorder)
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end
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integer*8 function get_mo_map_size()
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implicit none
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BEGIN_DOC
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! Return the number of elements in the MO map
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END_DOC
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get_mo_map_size = mo_integrals_map % n_elements
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end
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subroutine clear_mo_map
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implicit none
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BEGIN_DOC
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! Frees the memory of the MO map
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END_DOC
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call map_deinit(mo_integrals_map)
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FREE mo_integrals_map
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end
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BEGIN_TEMPLATE
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subroutine dump_$ao_integrals(filename)
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use map_module
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implicit none
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BEGIN_DOC
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! Save to disk the $ao integrals
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END_DOC
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character*(*), intent(in) :: filename
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integer(cache_key_kind), pointer :: key(:)
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real(integral_kind), pointer :: val(:)
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integer*8 :: i,j, n
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call ezfio_set_work_empty(.False.)
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open(unit=66,file=filename,FORM='unformatted')
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write(66) integral_kind, key_kind
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write(66) $ao_integrals_map%sorted, $ao_integrals_map%map_size, &
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$ao_integrals_map%n_elements
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do i=0_8,$ao_integrals_map%map_size
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write(66) $ao_integrals_map%map(i)%sorted, $ao_integrals_map%map(i)%map_size,&
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$ao_integrals_map%map(i)%n_elements
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enddo
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do i=0_8,$ao_integrals_map%map_size
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key => $ao_integrals_map%map(i)%key
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val => $ao_integrals_map%map(i)%value
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n = $ao_integrals_map%map(i)%n_elements
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write(66) (key(j), j=1,n), (val(j), j=1,n)
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enddo
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close(66)
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end
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IRP_IF COARRAY
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subroutine communicate_$ao_integrals()
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use map_module
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implicit none
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BEGIN_DOC
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! Communicate the $ao integrals with co-array
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END_DOC
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integer(cache_key_kind), pointer :: key(:)
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real(integral_kind), pointer :: val(:)
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integer*8 :: i,j, k, nmax
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integer*8, save :: n[*]
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integer :: copy_n
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real(integral_kind), allocatable :: buffer_val(:)[:]
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integer(cache_key_kind), allocatable :: buffer_key(:)[:]
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real(integral_kind), allocatable :: copy_val(:)
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integer(key_kind), allocatable :: copy_key(:)
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n = 0_8
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do i=0_8,$ao_integrals_map%map_size
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n = max(n,$ao_integrals_map%map(i)%n_elements)
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enddo
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sync all
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nmax = 0_8
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do j=1,num_images()
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nmax = max(nmax,n[j])
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enddo
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allocate( buffer_key(nmax)[*], buffer_val(nmax)[*])
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allocate( copy_key(nmax), copy_val(nmax))
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do i=0_8,$ao_integrals_map%map_size
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key => $ao_integrals_map%map(i)%key
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val => $ao_integrals_map%map(i)%value
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n = $ao_integrals_map%map(i)%n_elements
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do j=1,n
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buffer_key(j) = key(j)
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buffer_val(j) = val(j)
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enddo
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sync all
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do j=1,num_images()
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if (j /= this_image()) then
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copy_n = n[j]
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do k=1,copy_n
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copy_val(k) = buffer_val(k)[j]
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copy_key(k) = buffer_key(k)[j]
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copy_key(k) = copy_key(k)+ishft(i,-map_shift)
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|
enddo
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|
call map_append($ao_integrals_map, copy_key, copy_val, copy_n )
|
|
endif
|
|
enddo
|
|
sync all
|
|
enddo
|
|
deallocate( buffer_key, buffer_val, copy_val, copy_key)
|
|
|
|
end
|
|
IRP_ENDIF
|
|
|
|
|
|
integer function load_$ao_integrals(filename)
|
|
implicit none
|
|
BEGIN_DOC
|
|
! Read from disk the $ao integrals
|
|
END_DOC
|
|
character*(*), intent(in) :: filename
|
|
integer*8 :: i
|
|
integer(cache_key_kind), pointer :: key(:)
|
|
real(integral_kind), pointer :: val(:)
|
|
integer :: iknd, kknd, n, j
|
|
load_$ao_integrals = 1
|
|
open(unit=66,file=filename,FORM='unformatted',STATUS='UNKNOWN')
|
|
read(66,err=98,end=98) iknd, kknd
|
|
if (iknd /= integral_kind) then
|
|
print *, 'Wrong integrals kind in file :', iknd
|
|
stop 1
|
|
endif
|
|
if (kknd /= key_kind) then
|
|
print *, 'Wrong key kind in file :', kknd
|
|
stop 1
|
|
endif
|
|
read(66,err=98,end=98) $ao_integrals_map%sorted, $ao_integrals_map%map_size,&
|
|
$ao_integrals_map%n_elements
|
|
do i=0_8, $ao_integrals_map%map_size
|
|
read(66,err=99,end=99) $ao_integrals_map%map(i)%sorted, &
|
|
$ao_integrals_map%map(i)%map_size, $ao_integrals_map%map(i)%n_elements
|
|
call cache_map_reallocate($ao_integrals_map%map(i),$ao_integrals_map%map(i)%map_size)
|
|
enddo
|
|
do i=0_8, $ao_integrals_map%map_size
|
|
key => $ao_integrals_map%map(i)%key
|
|
val => $ao_integrals_map%map(i)%value
|
|
n = $ao_integrals_map%map(i)%n_elements
|
|
read(66,err=99,end=99) (key(j), j=1,n), (val(j), j=1,n)
|
|
enddo
|
|
call map_sort($ao_integrals_map)
|
|
load_$ao_integrals = 0
|
|
return
|
|
99 continue
|
|
call map_deinit($ao_integrals_map)
|
|
FREE $ao_integrals_map
|
|
if (.True.) then
|
|
PROVIDE $ao_integrals_map
|
|
endif
|
|
stop 'Problem reading $ao_integrals_map file in work/'
|
|
98 continue
|
|
|
|
end
|
|
|
|
SUBST [ ao_integrals_map, ao_integrals, ao_num , get_ao_bielec_integral ]
|
|
ao_integrals_map ; ao_integrals ; ao_num ; get_ao_bielec_integral ;;
|
|
mo_integrals_map ; mo_integrals ; mo_tot_num ; get_mo_bielec_integral ;;
|
|
END_TEMPLATE
|