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cc578279e7
qp2/src/bitmask/bitmasks.irp.f
Emmanuel Giner LCT cc578279e7 added rotate mos
2019-05-09 23:58:36 +02:00

569 lines
17 KiB
Fortran
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use bitmasks
BEGIN_PROVIDER [ integer, N_int ]
implicit none
include 'utils/constants.include.F'
BEGIN_DOC
! Number of 64-bit integers needed to represent determinants as binary strings
END_DOC
N_int = (mo_num-1)/bit_kind_size + 1
call write_int(6,N_int, 'N_int')
if (N_int > N_int_max) then
stop 'N_int > N_int_max'
endif
END_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), full_ijkl_bitmask, (N_int) ]
implicit none
BEGIN_DOC
! Bitmask to include all possible MOs
END_DOC
integer :: i,j,k
k=0
do j=1,N_int
full_ijkl_bitmask(j) = 0_bit_kind
do i=0,bit_kind_size-1
k=k+1
if (mo_class(k) /= 'Deleted') then
full_ijkl_bitmask(j) = ibset(full_ijkl_bitmask(j),i)
endif
if (k == mo_num) exit
enddo
enddo
END_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), full_ijkl_bitmask_4, (N_int,4) ]
implicit none
integer :: i
do i=1,N_int
full_ijkl_bitmask_4(i,1) = full_ijkl_bitmask(i)
full_ijkl_bitmask_4(i,2) = full_ijkl_bitmask(i)
full_ijkl_bitmask_4(i,3) = full_ijkl_bitmask(i)
full_ijkl_bitmask_4(i,4) = full_ijkl_bitmask(i)
enddo
END_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), core_inact_act_bitmask_4, (N_int,4) ]
implicit none
integer :: i
do i=1,N_int
core_inact_act_bitmask_4(i,1) = reunion_of_core_inact_act_bitmask(i,1)
core_inact_act_bitmask_4(i,2) = reunion_of_core_inact_act_bitmask(i,1)
core_inact_act_bitmask_4(i,3) = reunion_of_core_inact_act_bitmask(i,1)
core_inact_act_bitmask_4(i,4) = reunion_of_core_inact_act_bitmask(i,1)
enddo
END_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), virt_bitmask_4, (N_int,4) ]
implicit none
integer :: i
do i=1,N_int
virt_bitmask_4(i,1) = virt_bitmask(i,1)
virt_bitmask_4(i,2) = virt_bitmask(i,1)
virt_bitmask_4(i,3) = virt_bitmask(i,1)
virt_bitmask_4(i,4) = virt_bitmask(i,1)
enddo
END_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), HF_bitmask, (N_int,2)]
implicit none
BEGIN_DOC
! Hartree Fock bit mask
END_DOC
integer :: i,j,n
integer :: occ(elec_alpha_num)
HF_bitmask = 0_bit_kind
do i=1,elec_alpha_num
occ(i) = i
enddo
call list_to_bitstring( HF_bitmask(1,1), occ, elec_alpha_num, N_int)
! elec_alpha_num <= elec_beta_num, so occ is already OK.
call list_to_bitstring( HF_bitmask(1,2), occ, elec_beta_num, N_int)
END_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), ref_bitmask, (N_int,2)]
implicit none
BEGIN_DOC
! Reference bit mask, used in Slater rules, chosen as Hartree-Fock bitmask
END_DOC
ref_bitmask = HF_bitmask
END_PROVIDER
BEGIN_PROVIDER [ integer, N_generators_bitmask ]
implicit none
BEGIN_DOC
! Number of bitmasks for generators
END_DOC
logical :: exists
PROVIDE ezfio_filename N_int
if (mpi_master) then
call ezfio_has_bitmasks_N_mask_gen(exists)
if (exists) then
call ezfio_get_bitmasks_N_mask_gen(N_generators_bitmask)
integer :: N_int_check
integer :: bit_kind_check
call ezfio_get_bitmasks_bit_kind(bit_kind_check)
if (bit_kind_check /= bit_kind) then
print *, bit_kind_check, bit_kind
print *, 'Error: bit_kind is not correct in EZFIO file'
endif
call ezfio_get_bitmasks_N_int(N_int_check)
if (N_int_check /= N_int) then
print *, N_int_check, N_int
print *, 'Error: N_int is not correct in EZFIO file'
endif
else
N_generators_bitmask = 1
endif
ASSERT (N_generators_bitmask > 0)
call write_int(6,N_generators_bitmask,'N_generators_bitmask')
endif
IRP_IF MPI_DEBUG
print *, irp_here, mpi_rank
call MPI_BARRIER(MPI_COMM_WORLD, ierr)
IRP_ENDIF
IRP_IF MPI
include 'mpif.h'
integer :: ierr
call MPI_BCAST( N_generators_bitmask, 1, MPI_INTEGER, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
stop 'Unable to read N_generators_bitmask with MPI'
endif
IRP_ENDIF
END_PROVIDER
BEGIN_PROVIDER [ integer, N_generators_bitmask_restart ]
implicit none
BEGIN_DOC
! Number of bitmasks for generators
END_DOC
logical :: exists
PROVIDE ezfio_filename N_int
if (mpi_master) then
call ezfio_has_bitmasks_N_mask_gen(exists)
if (exists) then
call ezfio_get_bitmasks_N_mask_gen(N_generators_bitmask_restart)
integer :: N_int_check
integer :: bit_kind_check
call ezfio_get_bitmasks_bit_kind(bit_kind_check)
if (bit_kind_check /= bit_kind) then
print *, bit_kind_check, bit_kind
print *, 'Error: bit_kind is not correct in EZFIO file'
endif
call ezfio_get_bitmasks_N_int(N_int_check)
if (N_int_check /= N_int) then
print *, N_int_check, N_int
print *, 'Error: N_int is not correct in EZFIO file'
endif
else
N_generators_bitmask_restart = 1
endif
ASSERT (N_generators_bitmask_restart > 0)
call write_int(6,N_generators_bitmask_restart,'N_generators_bitmask_restart')
endif
IRP_IF MPI_DEBUG
print *, irp_here, mpi_rank
call MPI_BARRIER(MPI_COMM_WORLD, ierr)
IRP_ENDIF
IRP_IF MPI
include 'mpif.h'
integer :: ierr
call MPI_BCAST( N_generators_bitmask_restart, 1, MPI_INTEGER, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
stop 'Unable to read N_generators_bitmask_restart with MPI'
endif
IRP_ENDIF
END_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), generators_bitmask_restart, (N_int,2,6,N_generators_bitmask_restart) ]
implicit none
BEGIN_DOC
! Bitmasks for generator determinants.
! (N_int, alpha/beta, hole/particle, generator).
!
! 3rd index is :
!
! * 1 : hole for single exc
!
! * 2 : particle for single exc
!
! * 3 : hole for 1st exc of double
!
! * 4 : particle for 1st exc of double
!
! * 5 : hole for 2nd exc of double
!
! * 6 : particle for 2nd exc of double
!
END_DOC
logical :: exists
PROVIDE ezfio_filename full_ijkl_bitmask N_generators_bitmask N_int
PROVIDE generators_bitmask_restart
if (mpi_master) then
call ezfio_has_bitmasks_generators(exists)
if (exists) then
call ezfio_get_bitmasks_generators(generators_bitmask_restart)
else
integer :: k, ispin
do k=1,N_generators_bitmask
do ispin=1,2
do i=1,N_int
generators_bitmask_restart(i,ispin,s_hole ,k) = full_ijkl_bitmask(i)
generators_bitmask_restart(i,ispin,s_part ,k) = full_ijkl_bitmask(i)
generators_bitmask_restart(i,ispin,d_hole1,k) = full_ijkl_bitmask(i)
generators_bitmask_restart(i,ispin,d_part1,k) = full_ijkl_bitmask(i)
generators_bitmask_restart(i,ispin,d_hole2,k) = full_ijkl_bitmask(i)
generators_bitmask_restart(i,ispin,d_part2,k) = full_ijkl_bitmask(i)
enddo
enddo
enddo
endif
integer :: i
do k=1,N_generators_bitmask
do ispin=1,2
do i=1,N_int
generators_bitmask_restart(i,ispin,s_hole ,k) = iand(full_ijkl_bitmask(i),generators_bitmask_restart(i,ispin,s_hole,k) )
generators_bitmask_restart(i,ispin,s_part ,k) = iand(full_ijkl_bitmask(i),generators_bitmask_restart(i,ispin,s_part,k) )
generators_bitmask_restart(i,ispin,d_hole1,k) = iand(full_ijkl_bitmask(i),generators_bitmask_restart(i,ispin,d_hole1,k) )
generators_bitmask_restart(i,ispin,d_part1,k) = iand(full_ijkl_bitmask(i),generators_bitmask_restart(i,ispin,d_part1,k) )
generators_bitmask_restart(i,ispin,d_hole2,k) = iand(full_ijkl_bitmask(i),generators_bitmask_restart(i,ispin,d_hole2,k) )
generators_bitmask_restart(i,ispin,d_part2,k) = iand(full_ijkl_bitmask(i),generators_bitmask_restart(i,ispin,d_part2,k) )
enddo
enddo
enddo
endif
IRP_IF MPI_DEBUG
print *, irp_here, mpi_rank
call MPI_BARRIER(MPI_COMM_WORLD, ierr)
IRP_ENDIF
IRP_IF MPI
include 'mpif.h'
integer :: ierr
call MPI_BCAST( generators_bitmask_restart, N_int*2*6*N_generators_bitmask_restart, MPI_BIT_KIND, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
stop 'Unable to read generators_bitmask_restart with MPI'
endif
IRP_ENDIF
END_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), generators_bitmask, (N_int,2,6,N_generators_bitmask) ]
implicit none
BEGIN_DOC
! Bitmasks for generator determinants.
! (N_int, alpha/beta, hole/particle, generator).
!
! 3rd index is :
!
! * 1 : hole for single exc
!
! * 2 : particle for single exc
!
! * 3 : hole for 1st exc of double
!
! * 4 : particle for 1st exc of double
!
! * 5 : hole for 2nd exc of double
!
! * 6 : particle for 2nd exc of double
!
END_DOC
logical :: exists
PROVIDE ezfio_filename full_ijkl_bitmask N_generators_bitmask
if (mpi_master) then
call ezfio_has_bitmasks_generators(exists)
if (exists) then
call ezfio_get_bitmasks_generators(generators_bitmask)
else
integer :: k, ispin, i
do k=1,N_generators_bitmask
do ispin=1,2
do i=1,N_int
generators_bitmask(i,ispin,s_hole ,k) = full_ijkl_bitmask(i)
generators_bitmask(i,ispin,s_part ,k) = full_ijkl_bitmask(i)
generators_bitmask(i,ispin,d_hole1,k) = full_ijkl_bitmask(i)
generators_bitmask(i,ispin,d_part1,k) = full_ijkl_bitmask(i)
generators_bitmask(i,ispin,d_hole2,k) = full_ijkl_bitmask(i)
generators_bitmask(i,ispin,d_part2,k) = full_ijkl_bitmask(i)
enddo
enddo
enddo
endif
do k=1,N_generators_bitmask
do ispin=1,2
do i=1,N_int
generators_bitmask(i,ispin,s_hole ,k) = iand(full_ijkl_bitmask(i),generators_bitmask(i,ispin,s_hole,k) )
generators_bitmask(i,ispin,s_part ,k) = iand(full_ijkl_bitmask(i),generators_bitmask(i,ispin,s_part,k) )
generators_bitmask(i,ispin,d_hole1,k) = iand(full_ijkl_bitmask(i),generators_bitmask(i,ispin,d_hole1,k) )
generators_bitmask(i,ispin,d_part1,k) = iand(full_ijkl_bitmask(i),generators_bitmask(i,ispin,d_part1,k) )
generators_bitmask(i,ispin,d_hole2,k) = iand(full_ijkl_bitmask(i),generators_bitmask(i,ispin,d_hole2,k) )
generators_bitmask(i,ispin,d_part2,k) = iand(full_ijkl_bitmask(i),generators_bitmask(i,ispin,d_part2,k) )
enddo
enddo
enddo
endif
IRP_IF MPI_DEBUG
print *, irp_here, mpi_rank
call MPI_BARRIER(MPI_COMM_WORLD, ierr)
IRP_ENDIF
IRP_IF MPI
include 'mpif.h'
integer :: ierr
call MPI_BCAST( generators_bitmask, N_int*2*6*N_generators_bitmask, MPI_BIT_KIND, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
stop 'Unable to read generators_bitmask with MPI'
endif
IRP_ENDIF
END_PROVIDER
BEGIN_PROVIDER [ integer, N_cas_bitmask ]
implicit none
BEGIN_DOC
! Number of bitmasks for CAS
END_DOC
logical :: exists
PROVIDE ezfio_filename
PROVIDE N_cas_bitmask N_int
if (mpi_master) then
call ezfio_has_bitmasks_N_mask_cas(exists)
if (exists) then
call ezfio_get_bitmasks_N_mask_cas(N_cas_bitmask)
integer :: N_int_check
integer :: bit_kind_check
call ezfio_get_bitmasks_bit_kind(bit_kind_check)
if (bit_kind_check /= bit_kind) then
print *, bit_kind_check, bit_kind
print *, 'Error: bit_kind is not correct in EZFIO file'
endif
call ezfio_get_bitmasks_N_int(N_int_check)
if (N_int_check /= N_int) then
print *, N_int_check, N_int
print *, 'Error: N_int is not correct in EZFIO file'
endif
else
N_cas_bitmask = 1
endif
call write_int(6,N_cas_bitmask,'N_cas_bitmask')
endif
ASSERT (N_cas_bitmask > 0)
IRP_IF MPI_DEBUG
print *, irp_here, mpi_rank
call MPI_BARRIER(MPI_COMM_WORLD, ierr)
IRP_ENDIF
IRP_IF MPI
include 'mpif.h'
integer :: ierr
call MPI_BCAST( N_cas_bitmask, 1, MPI_INTEGER, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
stop 'Unable to read N_cas_bitmask with MPI'
endif
IRP_ENDIF
END_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), cas_bitmask, (N_int,2,N_cas_bitmask) ]
implicit none
BEGIN_DOC
! Bitmasks for CAS reference determinants. (N_int, alpha/beta, CAS reference)
END_DOC
logical :: exists
integer :: i,i_part,i_gen,j,k
PROVIDE ezfio_filename generators_bitmask_restart full_ijkl_bitmask
PROVIDE n_generators_bitmask HF_bitmask
if (mpi_master) then
call ezfio_has_bitmasks_cas(exists)
if (exists) then
call ezfio_get_bitmasks_cas(cas_bitmask)
else
if(N_generators_bitmask == 1)then
do j=1, N_cas_bitmask
do i=1, N_int
cas_bitmask(i,1,j) = iand(not(HF_bitmask(i,1)),full_ijkl_bitmask(i))
cas_bitmask(i,2,j) = iand(not(HF_bitmask(i,2)),full_ijkl_bitmask(i))
enddo
enddo
else
i_part = 2
i_gen = 1
do j=1, N_cas_bitmask
do i=1, N_int
cas_bitmask(i,1,j) = generators_bitmask_restart(i,1,i_part,i_gen)
cas_bitmask(i,2,j) = generators_bitmask_restart(i,2,i_part,i_gen)
enddo
enddo
endif
endif
do i=1,N_cas_bitmask
do j = 1, N_cas_bitmask
do k=1,N_int
cas_bitmask(k,j,i) = iand(cas_bitmask(k,j,i),full_ijkl_bitmask(k))
enddo
enddo
enddo
write(*,*) 'Read CAS bitmask'
endif
IRP_IF MPI_DEBUG
print *, irp_here, mpi_rank
call MPI_BARRIER(MPI_COMM_WORLD, ierr)
IRP_ENDIF
IRP_IF MPI
include 'mpif.h'
integer :: ierr
call MPI_BCAST( cas_bitmask, N_int*2*N_cas_bitmask, MPI_BIT_KIND, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
stop 'Unable to read cas_bitmask with MPI'
endif
IRP_ENDIF
END_PROVIDER
BEGIN_PROVIDER [ integer, n_core_inact_orb ]
implicit none
integer :: i
n_core_inact_orb = 0
do i = 1, N_int
n_core_inact_orb += popcnt(reunion_of_core_inact_bitmask(i,1))
enddo
ENd_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), reunion_of_core_inact_bitmask, (N_int,2)]
implicit none
BEGIN_DOC
! Reunion of the core and inactive and virtual bitmasks
END_DOC
integer :: i
do i = 1, N_int
reunion_of_core_inact_bitmask(i,1) = ior(core_bitmask(i,1),inact_bitmask(i,1))
reunion_of_core_inact_bitmask(i,2) = ior(core_bitmask(i,2),inact_bitmask(i,2))
enddo
END_PROVIDER
BEGIN_PROVIDER [integer(bit_kind), reunion_of_core_inact_act_bitmask, (N_int,2)]
implicit none
BEGIN_DOC
! Reunion of the core, inactive and active bitmasks
END_DOC
integer :: i,j
do i = 1, N_int
reunion_of_core_inact_act_bitmask(i,1) = ior(reunion_of_core_inact_bitmask(i,1),act_bitmask(i,1))
reunion_of_core_inact_act_bitmask(i,2) = ior(reunion_of_core_inact_bitmask(i,2),act_bitmask(i,2))
enddo
END_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), reunion_of_bitmask, (N_int,2)]
implicit none
BEGIN_DOC
! Reunion of the inactive, active and virtual bitmasks
END_DOC
integer :: i,j
do i = 1, N_int
reunion_of_bitmask(i,1) = ior(ior(cas_bitmask(i,1,1),inact_bitmask(i,1)),virt_bitmask(i,1))
reunion_of_bitmask(i,2) = ior(ior(cas_bitmask(i,2,1),inact_bitmask(i,2)),virt_bitmask(i,2))
enddo
END_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), inact_virt_bitmask, (N_int,2)]
&BEGIN_PROVIDER [ integer(bit_kind), core_inact_virt_bitmask, (N_int,2)]
implicit none
BEGIN_DOC
! Reunion of the inactive and virtual bitmasks
END_DOC
integer :: i,j
do i = 1, N_int
inact_virt_bitmask(i,1) = ior(inact_bitmask(i,1),virt_bitmask(i,1))
inact_virt_bitmask(i,2) = ior(inact_bitmask(i,2),virt_bitmask(i,2))
core_inact_virt_bitmask(i,1) = ior(core_bitmask(i,1),inact_virt_bitmask(i,1))
core_inact_virt_bitmask(i,2) = ior(core_bitmask(i,2),inact_virt_bitmask(i,2))
enddo
END_PROVIDER
BEGIN_PROVIDER [ integer, i_bitmask_gen ]
implicit none
BEGIN_DOC
! Current bitmask for the generators
END_DOC
i_bitmask_gen = 1
END_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), unpaired_alpha_electrons, (N_int)]
implicit none
BEGIN_DOC
! Bitmask reprenting the unpaired alpha electrons in the HF_bitmask
END_DOC
integer :: i
unpaired_alpha_electrons = 0_bit_kind
do i = 1, N_int
unpaired_alpha_electrons(i) = xor(HF_bitmask(i,1),HF_bitmask(i,2))
enddo
END_PROVIDER
BEGIN_PROVIDER [integer(bit_kind), closed_shell_ref_bitmask, (N_int,2)]
implicit none
integer :: i,j
do i = 1, N_int
closed_shell_ref_bitmask(i,1) = ior(ref_bitmask(i,1),cas_bitmask(i,1,1))
closed_shell_ref_bitmask(i,2) = ior(ref_bitmask(i,2),cas_bitmask(i,2,1))
enddo
END_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), reunion_of_cas_inact_bitmask, (N_int,2)]
implicit none
BEGIN_DOC
! Reunion of the inactive, active and virtual bitmasks
END_DOC
integer :: i,j
do i = 1, N_int
reunion_of_cas_inact_bitmask(i,1) = ior(act_bitmask(i,1),inact_bitmask(i,1))
reunion_of_cas_inact_bitmask(i,2) = ior(act_bitmask(i,2),inact_bitmask(i,2))
enddo
END_PROVIDER
BEGIN_PROVIDER [integer, n_core_orb_allocate]
implicit none
n_core_orb_allocate = max(n_core_orb,1)
END_PROVIDER
BEGIN_PROVIDER [integer, n_inact_orb_allocate]
implicit none
n_inact_orb_allocate = max(n_inact_orb,1)
END_PROVIDER
BEGIN_PROVIDER [integer, n_virt_orb_allocate]
implicit none
n_virt_orb_allocate = max(n_virt_orb,1)
END_PROVIDER
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