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mirror of https://github.com/LCPQ/quantum_package synced 2024-12-22 20:35:19 +01:00

removed selection_single

This commit is contained in:
Yann Garniron 2016-11-21 13:45:32 +01:00
parent 5b5e45e1ca
commit aebc386a3e
3 changed files with 23 additions and 356 deletions

View File

@ -79,7 +79,6 @@ subroutine select_connected(i_generator,E0,pt2,b)
enddo
call select_doubles(i_generator,hole_mask,particle_mask,fock_diag_tmp,E0,pt2,b)
call select_singles(i_generator,hole_mask,particle_mask,fock_diag_tmp,E0,pt2,b)
enddo
end subroutine

View File

@ -20,6 +20,11 @@ subroutine select_doubles(i_generator,hole_mask,particle_mask,fock_diag_tmp,E0,p
integer,allocatable :: preinteresting(:), prefullinteresting(:), interesting(:), fullinteresting(:)
integer(bit_kind), allocatable :: minilist(:, :, :), fullminilist(:, :, :)
logical :: monoAdo, monoBdo;
monoAdo = .true.
monoBdo = .true.
allocate(minilist(N_int, 2, N_det_selectors), fullminilist(N_int, 2, N_det))
allocate(preinteresting(0:N_det_selectors), prefullinteresting(0:N_det), interesting(0:N_det_selectors), fullinteresting(0:N_det))
@ -116,12 +121,16 @@ subroutine select_doubles(i_generator,hole_mask,particle_mask,fock_diag_tmp,E0,p
end if
end do
do s2=s1,2
sp = s1
if(s1 /= s2) sp = 3
ib = 1
if(s1 == s2) ib = i1+1
monoAdo = .true.
do i2=N_holes(s2),ib,-1 ! Generate low excitations first
h2 = hole_list(i2,s2)
@ -142,11 +151,24 @@ subroutine select_doubles(i_generator,hole_mask,particle_mask,fock_diag_tmp,E0,p
bannedOrb(particle_list(i,s3), s3) = .false.
enddo
enddo
if(s1 /= s2) then
if(monoBdo) then
bannedOrb(h1,s1) = .false.
end if
if(monoAdo) then
bannedOrb(h2,s2) = .false.
monoAdo = .false.
end if
end if
mat = 0d0
call splash_pq(mask, sp, minilist, i_generator, interesting(0), bannedOrb, banned, mat, interesting)
call fill_buffer_double(i_generator, sp, h1, h2, bannedOrb, banned, fock_diag_tmp, E0, pt2, mat, buf)
enddo
if(s1 /= s2) monoBdo = .false.
enddo
enddo
enddo

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@ -1,354 +0,0 @@
subroutine select_singles(i_gen,hole_mask,particle_mask,fock_diag_tmp,E0,pt2,buf)
use bitmasks
use selection_types
implicit none
BEGIN_DOC
! Select determinants connected to i_det by H
END_DOC
integer, intent(in) :: i_gen
integer(bit_kind), intent(in) :: hole_mask(N_int,2), particle_mask(N_int,2)
double precision, intent(in) :: fock_diag_tmp(mo_tot_num)
double precision, intent(in) :: E0(N_states)
double precision, intent(inout) :: pt2(N_states)
type(selection_buffer), intent(inout) :: buf
double precision :: vect(N_states, mo_tot_num)
logical :: bannedOrb(mo_tot_num)
integer :: i, j, k
integer :: h1,h2,s1,s2,i1,i2,ib,sp
integer(bit_kind) :: hole(N_int,2), particle(N_int,2), mask(N_int, 2)
logical :: fullMatch, ok
do k=1,N_int
hole (k,1) = iand(psi_det_generators(k,1,i_gen), hole_mask(k,1))
hole (k,2) = iand(psi_det_generators(k,2,i_gen), hole_mask(k,2))
particle(k,1) = iand(not(psi_det_generators(k,1,i_gen)), particle_mask(k,1))
particle(k,2) = iand(not(psi_det_generators(k,2,i_gen)), particle_mask(k,2))
enddo
! Create lists of holes and particles
! -----------------------------------
integer :: N_holes(2), N_particles(2)
integer :: hole_list(N_int*bit_kind_size,2)
integer :: particle_list(N_int*bit_kind_size,2)
call bitstring_to_list_ab(hole , hole_list , N_holes , N_int)
call bitstring_to_list_ab(particle, particle_list, N_particles, N_int)
do sp=1,2
do i=1, N_holes(sp)
h1 = hole_list(i,sp)
call apply_hole(psi_det_generators(1,1,i_gen), sp, h1, mask, ok, N_int)
bannedOrb = .true.
do j=1,N_particles(sp)
bannedOrb(particle_list(j, sp)) = .false.
end do
call spot_hasBeen(mask, sp, psi_det_sorted, i_gen, N_det, bannedOrb, fullMatch)
if(fullMatch) cycle
vect = 0d0
call splash_p(mask, sp, psi_selectors(1,1,i_gen), psi_phasemask(1,1,i_gen), psi_selectors_coef_transp(1,i_gen), N_det_selectors - i_gen + 1, bannedOrb, vect)
call fill_buffer_single(i_gen, sp, h1, bannedOrb, fock_diag_tmp, E0, pt2, vect, buf)
end do
enddo
end subroutine
subroutine fill_buffer_single(i_generator, sp, h1, bannedOrb, fock_diag_tmp, E0, pt2, vect, buf)
use bitmasks
use selection_types
implicit none
integer, intent(in) :: i_generator, sp, h1
double precision, intent(in) :: vect(N_states, mo_tot_num)
logical, intent(in) :: bannedOrb(mo_tot_num)
double precision, intent(in) :: fock_diag_tmp(mo_tot_num)
double precision, intent(in) :: E0(N_states)
double precision, intent(inout) :: pt2(N_states)
type(selection_buffer), intent(inout) :: buf
logical :: ok
integer :: s1, s2, p1, p2, ib, istate
integer(bit_kind) :: mask(N_int, 2), det(N_int, 2)
double precision :: e_pert, delta_E, val, Hii, max_e_pert
double precision, external :: diag_H_mat_elem_fock
call apply_hole(psi_det_generators(1,1,i_generator), sp, h1, mask, ok, N_int)
do p1=1,mo_tot_num
if(bannedOrb(p1)) cycle
if(vect(1, p1) == 0d0) cycle
call apply_particle(mask, sp, p1, det, ok, N_int)
Hii = diag_H_mat_elem_fock(psi_det_generators(1,1,i_generator),det,fock_diag_tmp,N_int)
max_e_pert = 0d0
do istate=1,N_states
val = vect(istate, p1)
delta_E = E0(istate) - Hii
if (delta_E < 0.d0) then
e_pert = 0.5d0 * (-dsqrt(delta_E * delta_E + 4.d0 * val * val) - delta_E)
else
e_pert = 0.5d0 * ( dsqrt(delta_E * delta_E + 4.d0 * val * val) - delta_E)
endif
pt2(istate) += e_pert
if(dabs(e_pert) > dabs(max_e_pert)) max_e_pert = e_pert
end do
if(dabs(max_e_pert) > buf%mini) call add_to_selection_buffer(buf, det, max_e_pert)
end do
end subroutine
subroutine splash_p(mask, sp, det, phasemask, coefs, N_sel, bannedOrb, vect)
use bitmasks
implicit none
integer(bit_kind),intent(in) :: mask(N_int, 2), det(N_int,2,N_sel)
integer(1), intent(in) :: phasemask(N_int*bit_kind_size, 2, N_sel)
double precision, intent(in) :: coefs(N_states, N_sel)
integer, intent(in) :: sp, N_sel
logical, intent(inout) :: bannedOrb(mo_tot_num)
double precision, intent(inout) :: vect(N_states, mo_tot_num)
integer :: i, j, h(0:2,2), p(0:3,2), nt
integer(bit_kind) :: perMask(N_int, 2), mobMask(N_int, 2), negMask(N_int, 2)
do i=1,N_int
negMask(i,1) = not(mask(i,1))
negMask(i,2) = not(mask(i,2))
end do
do i=1, N_sel
nt = 0
do j=1,N_int
mobMask(j,1) = iand(negMask(j,1), det(j,1,i))
mobMask(j,2) = iand(negMask(j,2), det(j,2,i))
nt += popcnt(mobMask(j, 1)) + popcnt(mobMask(j, 2))
end do
if(nt > 3) cycle
do j=1,N_int
perMask(j,1) = iand(mask(j,1), not(det(j,1,i)))
perMask(j,2) = iand(mask(j,2), not(det(j,2,i)))
end do
call bitstring_to_list(perMask(1,1), h(1,1), h(0,1), N_int)
call bitstring_to_list(perMask(1,2), h(1,2), h(0,2), N_int)
call bitstring_to_list(mobMask(1,1), p(1,1), p(0,1), N_int)
call bitstring_to_list(mobMask(1,2), p(1,2), p(0,2), N_int)
if(nt == 3) then
call get_m2(det(1,1,i), phasemask(1,1,i), bannedOrb, vect, mask, h, p, sp, coefs(1, i))
else if(nt == 2) then
call get_m1(det(1,1,i), phasemask(1,1,i), bannedOrb, vect, mask, h, p, sp, coefs(1, i))
else
call get_m0(det(1,1,i), phasemask(1,1,i), bannedOrb, vect, mask, h, p, sp, coefs(1, i))
end if
end do
end subroutine
subroutine get_m2(gen, phasemask, bannedOrb, vect, mask, h, p, sp, coefs)
use bitmasks
implicit none
integer(bit_kind), intent(in) :: gen(N_int, 2), mask(N_int, 2)
integer(1), intent(in) :: phasemask(N_int*bit_kind_size, 2)
logical, intent(in) :: bannedOrb(mo_tot_num)
double precision, intent(in) :: coefs(N_states)
double precision, intent(inout) :: vect(N_states, mo_tot_num)
integer, intent(in) :: sp, h(0:2, 2), p(0:3, 2)
integer :: i, j, h1, h2, p1, p2, sfix, hfix, pfix, hmob, pmob, puti
double precision :: hij
double precision, external :: get_phase_bi, integral8
integer, parameter :: turn3_2(2,3) = reshape((/2,3, 1,3, 1,2/), (/2,3/))
integer, parameter :: turn2(2) = (/2,1/)
if(h(0,sp) == 2) then
h1 = h(1, sp)
h2 = h(2, sp)
do i=1,3
puti = p(i, sp)
if(bannedOrb(puti)) cycle
p1 = p(turn3_2(1,i), sp)
p2 = p(turn3_2(2,i), sp)
hij = integral8(p1, p2, h1, h2) - integral8(p2, p1, h1, h2)
hij *= get_phase_bi(phasemask, sp, sp, h1, p1, h2, p2)
vect(:, puti) += hij * coefs
end do
else if(h(0,sp) == 1) then
sfix = turn2(sp)
hfix = h(1,sfix)
pfix = p(1,sfix)
hmob = h(1,sp)
do j=1,2
puti = p(j, sp)
if(bannedOrb(puti)) cycle
pmob = p(turn2(j), sp)
hij = integral8(pfix, pmob, hfix, hmob)
hij *= get_phase_bi(phasemask, sp, sfix, hmob, pmob, hfix, pfix)
vect(:, puti) += hij * coefs
end do
else
puti = p(1,sp)
if(.not. bannedOrb(puti)) then
sfix = turn2(sp)
p1 = p(1,sfix)
p2 = p(2,sfix)
h1 = h(1,sfix)
h2 = h(2,sfix)
hij = (integral8(p1,p2,h1,h2) - integral8(p2,p1,h1,h2))
hij *= get_phase_bi(phasemask, sfix, sfix, h1, p1, h2, p2)
vect(:, puti) += hij * coefs
end if
end if
end subroutine
subroutine get_m1(gen, phasemask, bannedOrb, vect, mask, h, p, sp, coefs)
use bitmasks
implicit none
integer(bit_kind), intent(in) :: gen(N_int, 2), mask(N_int, 2)
integer(1), intent(in) :: phasemask(N_int*bit_kind_size, 2)
logical, intent(in) :: bannedOrb(mo_tot_num)
double precision, intent(in) :: coefs(N_states)
double precision, intent(inout) :: vect(N_states, mo_tot_num)
integer, intent(in) :: sp, h(0:2, 2), p(0:3, 2)
integer :: i, hole, p1, p2, sh
logical :: ok, lbanned(mo_tot_num)
integer(bit_kind) :: det(N_int, 2)
double precision :: hij
double precision, external :: get_phase_bi, integral8
lbanned = bannedOrb
sh = 1
if(h(0,2) == 1) sh = 2
hole = h(1, sh)
lbanned(p(1,sp)) = .true.
if(p(0,sp) == 2) lbanned(p(2,sp)) = .true.
!print *, "SPm1", sp, sh
p1 = p(1, sp)
if(sp == sh) then
p2 = p(2, sp)
lbanned(p2) = .true.
do i=1,hole-1
if(lbanned(i)) cycle
hij = (integral8(p1, p2, i, hole) - integral8(p2, p1, i, hole))
hij *= get_phase_bi(phasemask, sp, sp, i, p1, hole, p2)
vect(:,i) += hij * coefs
end do
do i=hole+1,mo_tot_num
if(lbanned(i)) cycle
hij = (integral8(p1, p2, hole, i) - integral8(p2, p1, hole, i))
hij *= get_phase_bi(phasemask, sp, sp, hole, p1, i, p2)
vect(:,i) += hij * coefs
end do
call apply_particle(mask, sp, p2, det, ok, N_int)
call i_h_j(gen, det, N_int, hij)
vect(:, p2) += hij * coefs
else
p2 = p(1, sh)
do i=1,mo_tot_num
if(lbanned(i)) cycle
hij = integral8(p1, p2, i, hole)
hij *= get_phase_bi(phasemask, sp, sh, i, p1, hole, p2)
vect(:,i) += hij * coefs
end do
end if
call apply_particle(mask, sp, p1, det, ok, N_int)
call i_h_j(gen, det, N_int, hij)
vect(:, p1) += hij * coefs
end subroutine
subroutine get_m0(gen, phasemask, bannedOrb, vect, mask, h, p, sp, coefs)
use bitmasks
implicit none
integer(bit_kind), intent(in) :: gen(N_int, 2), mask(N_int, 2)
integer(1), intent(in) :: phasemask(N_int*bit_kind_size, 2)
logical, intent(in) :: bannedOrb(mo_tot_num)
double precision, intent(in) :: coefs(N_states)
double precision, intent(inout) :: vect(N_states, mo_tot_num)
integer, intent(in) :: sp, h(0:2, 2), p(0:3, 2)
integer :: i
logical :: ok, lbanned(mo_tot_num)
integer(bit_kind) :: det(N_int, 2)
double precision :: hij
lbanned = bannedOrb
lbanned(p(1,sp)) = .true.
do i=1,mo_tot_num
if(lbanned(i)) cycle
call apply_particle(mask, sp, i, det, ok, N_int)
call i_h_j(gen, det, N_int, hij)
vect(:, i) += hij * coefs
end do
end subroutine
subroutine spot_hasBeen(mask, sp, det, i_gen, N, banned, fullMatch)
use bitmasks
implicit none
integer(bit_kind),intent(in) :: mask(N_int, 2), det(N_int, 2, N)
integer, intent(in) :: i_gen, N, sp
logical, intent(inout) :: banned(mo_tot_num)
logical, intent(out) :: fullMatch
integer :: i, j, na, nb, list(3), nt
integer(bit_kind) :: myMask(N_int, 2), negMask(N_int, 2)
fullMatch = .false.
do i=1,N_int
negMask(i,1) = not(mask(i,1))
negMask(i,2) = not(mask(i,2))
end do
genl : do i=1, N
nt = 0
do j=1, N_int
myMask(j, 1) = iand(det(j, 1, i), negMask(j, 1))
myMask(j, 2) = iand(det(j, 2, i), negMask(j, 2))
nt += popcnt(myMask(j, 1)) + popcnt(myMask(j, 2))
end do
if(nt > 3) cycle
if(nt <= 2 .and. i < i_gen) then
fullMatch = .true.
return
end if
call bitstring_to_list(myMask(1,sp), list(1), na, N_int)
if(nt == 3 .and. i < i_gen) then
do j=1,na
banned(list(j)) = .true.
end do
else if(nt == 1 .and. na == 1) then
banned(list(1)) = .true.
end if
end do genl
end subroutine