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mirror of https://github.com/QuantumPackage/qp2.git synced 2024-07-23 02:57:24 +02:00

moved a subroutine from determinant to bitmask

This commit is contained in:
Emmanuel Giner 2021-12-17 18:15:47 +01:00
parent 8c52190648
commit 9d0e7c7034
2 changed files with 45 additions and 1 deletions

View File

@ -268,6 +268,21 @@ subroutine print_spindet(string,Nint)
end
subroutine print_det_one_dimension(string,Nint)
use bitmasks
implicit none
BEGIN_DOC
! Subroutine to print the content of a determinant using the '+-' notation
END_DOC
integer, intent(in) :: Nint
integer(bit_kind), intent(in) :: string(Nint)
character*(2048) :: output(1)
call bitstring_to_str( output(1), string, Nint )
print *, trim(output(1))
end
logical function is_integer_in_string(bite,string,Nint)
use bitmasks
implicit none

View File

@ -438,7 +438,7 @@ subroutine bitstring_to_list_ab( string, list, n_elements, Nint)
use bitmasks
implicit none
BEGIN_DOC
! Gives the inidices(+1) of the bits set to 1 in the bit string
! Gives the indices(+1) of the bits set to 1 in the bit string
! For alpha/beta determinants.
END_DOC
integer, intent(in) :: Nint
@ -472,6 +472,35 @@ subroutine bitstring_to_list_ab( string, list, n_elements, Nint)
end
!subroutine bitstring_to_list( string, list, n_elements, Nint)
! use bitmasks
! implicit none
! BEGIN_DOC
! ! Gives the indices(+1) of the bits set to 1 in the bit string
! END_DOC
! integer, intent(in) :: Nint
! integer(bit_kind), intent(in) :: string(Nint)
! integer, intent(out) :: list(Nint*bit_kind_size)
! integer, intent(out) :: n_elements
!
! integer :: i, j, ishift
! integer(bit_kind) :: l
!
! n_elements = 0
! ishift = 1
! do i=1,Nint
! l = string(i)
! do while (l /= 0_bit_kind)
! j = trailz(l)
! n_elements = n_elements + 1
! l = ibclr(l,j)
! list(n_elements) = ishift+j
! enddo
! ishift = ishift + bit_kind_size
! enddo
!
!end
subroutine i_H_j_s2(key_i,key_j,Nint,hij,s2)
use bitmasks