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Added missing file

This commit is contained in:
Anthony Scemama 2016-09-22 22:16:14 +02:00
parent 1746a14717
commit 605e8743f9
2 changed files with 163 additions and 0 deletions

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Determinants

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program first_guess
use bitmasks
implicit none
BEGIN_DOC
! Select all the determinants with the lowest energy as a starting point.
END_DOC
integer :: i,j
double precision, allocatable :: orb_energy(:)
double precision :: E
integer, allocatable :: kept(:)
integer :: nelec_kept(2)
character :: occ_char, keep_char
PROVIDE H_apply_buffer_allocated psi_det
allocate (orb_energy(mo_tot_num), kept(0:mo_tot_num))
nelec_kept(1:2) = 0
kept(0) = 0
print *, 'Orbital energies'
print *, '================'
print *, ''
do i=1,mo_tot_num
keep_char = ' '
occ_char = '-'
orb_energy(i) = mo_mono_elec_integral(i,i)
do j=1,elec_beta_num
if (i==j) cycle
orb_energy(i) += mo_bielec_integral_jj_anti(i,j)
enddo
do j=1,elec_alpha_num
orb_energy(i) += mo_bielec_integral_jj(i,j)
enddo
if ( (orb_energy(i) > -.5d0).and.(orb_energy(i) < .1d0) ) then
kept(0) += 1
keep_char = 'X'
kept( kept(0) ) = i
if (i <= elec_beta_num) then
nelec_kept(2) += 1
endif
if (i <= elec_alpha_num) then
nelec_kept(1) += 1
endif
endif
if (i <= elec_alpha_num) then
if (i <= elec_beta_num) then
occ_char = '#'
else
occ_char = '+'
endif
endif
print '(I4, 3X, A, 3X, F10.6, 3X, A)', i, occ_char, orb_energy(i), keep_char
enddo
integer, allocatable :: list (:,:)
integer(bit_kind), allocatable :: string(:,:)
allocate ( list(N_int*bit_kind_size,2), string(N_int,2) )
string = ref_bitmask
call bitstring_to_list( string(1,1), list(1,1), elec_alpha_num, N_int)
call bitstring_to_list( string(1,2), list(1,2), elec_beta_num , N_int)
psi_det_alpha_unique(:,1) = string(:,1)
psi_det_beta_unique (:,1) = string(:,2)
N_det_alpha_unique = 1
N_det_beta_unique = 1
integer :: i1,i2,i3,i4,i5,i6,i7,i8,i9
psi_det_size = kept(0)**(nelec_kept(1)+nelec_kept(2))
print *, kept(0), nelec_kept(:)
call write_int(6,psi_det_size,'psi_det_size')
TOUCH psi_det_size
BEGIN_SHELL [ /usr/bin/python ]
template_alpha_ext = """
do %(i2)s = %(i1)s-1,1,-1
list(elec_alpha_num-%(i)d,1) = kept(%(i2)s)
call list_to_bitstring( string(1,1), list(1,1), elec_alpha_num, N_int)
"""
template_alpha = """
do %(i2)s = %(i1)s-1,1,-1
list(elec_alpha_num-%(i)d,1) = kept(%(i2)s)
call list_to_bitstring( string(1,1), list(1,1), elec_alpha_num, N_int)
N_det_alpha_unique += 1
psi_det_alpha_unique(:,N_det_alpha_unique) = string(:,1)
"""
template_beta_ext = """
do %(i2)s = %(i1)s-1,1,-1
list(elec_beta_num-%(i)d,2) = kept(%(i2)s)
call list_to_bitstring( string(1,2), list(1,2), elec_beta_num, N_int)
"""
template_beta = """
do %(i2)s = %(i1)s-1,1,-1
list(elec_beta_num-%(i)d,2) = kept(%(i2)s)
call list_to_bitstring( string(1,2), list(1,2), elec_beta_num, N_int)
N_det_beta_unique += 1
psi_det_beta_unique(:,N_det_beta_unique) = string(:,2)
"""
def write(template_ext,template,imax):
print "case(%d)"%(imax)
def aux(i2,i1,i,j):
if (i==imax-1):
print template%locals()
else:
print template_ext%locals()
i += 1
j -= 1
if (i != imax):
i1 = "i%d"%(i)
i2 = "i%d"%(i+1)
aux(i2,i1,i,j)
print "enddo"
i2 = "i1"
i1 = "kept(0)+1"
i = 0
aux(i2,i1,i,imax)
def main():
print """
select case (nelec_kept(1))
case(0)
continue
"""
for imax in range(1,10):
write(template_alpha_ext,template_alpha,imax)
print """
end select
select case (nelec_kept(2))
case(0)
continue
"""
for imax in range(1,10):
write(template_beta_ext,template_beta,imax)
print "end select"
main()
END_SHELL
TOUCH N_det_alpha_unique N_det_beta_unique psi_det_alpha_unique psi_det_beta_unique
call create_wf_of_psi_bilinear_matrix(.False.)
call diagonalize_ci
j= N_det
do i=1,N_det
if (psi_average_norm_contrib_sorted(i) < 1.d-6) then
j = i-1
exit
endif
! call debug_det(psi_det_sorted(1,1,i),N_int)
enddo
call save_wavefunction_general(j,N_states,psi_det_sorted,size(psi_coef_sorted,1),psi_coef_sorted)
deallocate(orb_energy, kept, list, string)
end