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mirror of https://github.com/QuantumPackage/qp2.git synced 2024-07-27 21:07:23 +02:00

Working on obtain I for alpha.

This commit is contained in:
v1j4y 2022-12-10 11:36:12 +01:00
parent 0234e46e1b
commit 4b3b6300ef

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@ -315,86 +315,35 @@ subroutine obtain_connected_I_foralpha(idxI, Ialpha, connectedI, idxs_connectedI
!print *,"obt SOMO -> VMO"
extyp = 3
if(N_int .eq. 1) then
IJsomo = IEOR(Isomo, Jsomo)
!IRP_IF WITHOUT_TRAILZ
! p = (popcnt(ieor( IAND(Isomo,IJsomo) , IAND(Isomo,IJsomo) -1))-1) + 1
!IRP_ELSE
p = TRAILZ(IAND(Isomo,IJsomo)) + 1
!IRP_ENDIF
IJsomo = IBCLR(IJsomo,p-1)
!IRP_IF WITHOUT_TRAILZ
! q = (popcnt(ieor(IJsomo,IJsomo-1))-1) + 1
!IRP_ELSE
q = TRAILZ(IJsomo) + 1
!IRP_ENDIF
!print *," p=",p," q=",q
!call get_single_excitation_cfg(Jcfg, Icfg, p, q, N_int)
else
exc = 0
do ii = 1,2
ishift = 1-bit_kind_size
do l=1,N_int
ishift = ishift + bit_kind_size
if (Jcfg(l,ii) == Icfg(l,ii)) then
cycle
endif
tmp = xor( Jcfg(l,ii), Icfg(l,ii) )
particle = iand(tmp, Icfg(l,ii))
hole = iand(tmp, Jcfg(l,ii))
if (particle /= 0_bit_kind) then
tz = trailz(particle)
exc(0,2,ii) = 1
exc(1,2,ii) = tz+ishift
!print *,"part ",tz+ishift, " ii=",ii, exc(1,2,2)
endif
if (hole /= 0_bit_kind) then
tz = trailz(hole)
exc(0,1,ii) = 1
exc(1,1,ii) = tz+ishift
!print *,"hole ",tz+ishift, " ii=",ii, exc(1,1,2)
endif
if ( iand(exc(0,1,ii),exc(0,2,ii)) /= 1) then ! exc(0,1,ii)/=1 and exc(0,2,ii) /= 1
cycle
endif
high = max(exc(1,1,ii), exc(1,2,ii))-1
low = min(exc(1,1,ii), exc(1,2,ii))
ASSERT (low >= 0)
ASSERT (high > 0)
k = shiftr(high,bit_kind_shift)+1
j = shiftr(low,bit_kind_shift)+1
m = iand(high,bit_kind_size-1)
n = iand(low,bit_kind_size-1)
if (j==k) then
nperm = nperm + popcnt(iand(Jcfg(j,ii), &
iand( shiftl(1_bit_kind,m)-1_bit_kind, &
not(shiftl(1_bit_kind,n))+1_bit_kind)) )
else
nperm = nperm + popcnt( &
iand(Jcfg(j,ii), &
iand(not(0_bit_kind), &
(not(shiftl(1_bit_kind,n)) + 1_bit_kind) ))) &
+ popcnt(iand(Jcfg(k,ii), &
(shiftl(1_bit_kind,m) - 1_bit_kind ) ))
do iii=j+1,k-1
nperm = nperm + popcnt(Jcfg(iii,ii))
end do
endif
! Set p and q
q = max(exc(1,1,1),exc(1,1,2))
p = max(exc(1,2,1),exc(1,2,2))
exit
enddo
enddo
endif
IJsomo = IEOR(Isomo, Jsomo)
p = TRAILZ(IAND(Isomo,IJsomo)) + 1
IJsomo = IBCLR(IJsomo,p-1)
q = TRAILZ(IJsomo) + 1
!print *," p=",p," q=",q
!call get_single_excitation_cfg(Jcfg, Icfg, p, q, N_int)
else
! Find p
do ii=1,N_int
Isomo = Ialpha(ii,1)
Jsomo = psi_configuration(ii,1,i)
IJsomo = IEOR(Isomo, Jsomo)
if(popcnt(IAND(Isomo,IJsomo)) > 0)then
p = TRAILZ(IAND(Isomo,IJsomo)) + 1 + ii * bit_kind_size
EXIT
endif
end do
! Find q
do ii=1,N_int
Isomo = Ialpha(ii,1)
Jsomo = psi_configuration(ii,1,i)
IJsomo = IEOR(Isomo, Jsomo)
IJsomo = IBCLR(IJsomo,p-1)
if(popcnt(IJsomo) > 0)then
q = TRAILZ(IJsomo) + 1 + ii * bit_kind_size
EXIT
endif
enddo
endif
!assert ( p == pp)
!assert ( q == qq)
!print *," --- p=",p," q=",q
@ -409,88 +358,35 @@ endif
!print *,"obt DOMO -> VMO"
extyp = 2
if(N_int.eq.1)then
!IRP_IF WITHOUT_TRAILZ
! p = (popcnt(ieor( IEOR(Idomo,Jdomo),IEOR(Idomo,Jdomo) -1))-1) + 1
!IRP_ELSE
p = TRAILZ(IEOR(Idomo,Jdomo)) + 1
!IRP_ENDIF
Isomo = IEOR(Isomo, Jsomo)
Isomo = IBCLR(Isomo,p-1)
!IRP_IF WITHOUT_TRAILZ
! q = (popcnt(ieor(Isomo,Isomo-1))-1) + 1
!IRP_ELSE
q = TRAILZ(Isomo) + 1
!IRP_ENDIF
else
exc=0
exc(0,1,1) = 0
exc(0,2,1) = 0
exc(0,1,2) = 0
exc(0,2,2) = 0
do ii = 1,2
ishift = 1-bit_kind_size
do l=1,N_int
ishift = ishift + bit_kind_size
if (Jcfg(l,ii) == Icfg(l,ii)) then
cycle
endif
tmp = xor( Jcfg(l,ii), Icfg(l,ii) )
particle = iand(tmp, Icfg(l,ii))
hole = iand(tmp, Jcfg(l,ii))
if (particle /= 0_bit_kind) then
tz = trailz(particle)
exc(0,2,ii) = 1
exc(1,2,ii) = tz+ishift
!print *,"part ",tz+ishift, " ii=",ii
endif
if (hole /= 0_bit_kind) then
tz = trailz(hole)
exc(0,1,ii) = 1
exc(1,1,ii) = tz+ishift
!print *,"hole ",tz+ishift, " ii=",ii
endif
p = TRAILZ(IEOR(Idomo,Jdomo)) + 1
Isomo = IEOR(Isomo, Jsomo)
Isomo = IBCLR(Isomo,p-1)
q = TRAILZ(Isomo) + 1
else
if ( iand(exc(0,1,ii),exc(0,2,ii)) /= 1) then ! exc(0,1,ii)/=1 and exc(0,2,ii) /= 1
cycle
endif
high = max(exc(1,1,ii), exc(1,2,ii))-1
low = min(exc(1,1,ii), exc(1,2,ii))
ASSERT (low >= 0)
ASSERT (high > 0)
k = shiftr(high,bit_kind_shift)+1
j = shiftr(low,bit_kind_shift)+1
m = iand(high,bit_kind_size-1)
n = iand(low,bit_kind_size-1)
if (j==k) then
nperm = nperm + popcnt(iand(Jcfg(j,ii), &
iand( shiftl(1_bit_kind,m)-1_bit_kind, &
not(shiftl(1_bit_kind,n))+1_bit_kind)) )
else
nperm = nperm + popcnt( &
iand(Jcfg(j,ii), &
iand(not(0_bit_kind), &
(not(shiftl(1_bit_kind,n)) + 1_bit_kind) ))) &
+ popcnt(iand(Jcfg(k,ii), &
(shiftl(1_bit_kind,m) - 1_bit_kind ) ))
do iii=j+1,k-1
nperm = nperm + popcnt(Jcfg(iii,ii))
end do
endif
! Set p and q
q = max(exc(1,1,1),exc(1,1,2))
p = max(exc(1,2,1),exc(1,2,2))
exit
enddo
enddo
endif
! Find p
do ii=1,N_int
Isomo = Ialpha(ii,1)
Jsomo = psi_configuration(ii,1,i)
Idomo = Ialpha(ii,2)
Jdomo = psi_configuration(ii,2,i)
if(popcnt(IEOR(Idomo,Jdomo)) > 0)then
p = TRAILZ(IEOR(Idomo,Jdomo)) + 1 + ii * bit_kind_size
EXIT
endif
end do
! Find q
do ii=1,N_int
Isomo = Ialpha(ii,1)
Jsomo = psi_configuration(ii,1,i)
Isomo = IEOR(Isomo, Jsomo)
Isomo = IBCLR(Isomo,p-1)
if(popcnt(Isomo) > 0)then
q = TRAILZ(Isomo) + 1 + ii * bit_kind_size
EXIT
endif
end do
endif
!assert ( p == pp)
!assert ( q == qq)
else
@ -498,183 +394,75 @@ endif
!print *,"obt SOMO -> SOMO"
extyp = 1
if(N_int.eq.1)then
!IRP_IF WITHOUT_TRAILZ
! q = (popcnt(ieor( IEOR(Idomo,Jdomo), IEOR(Idomo,Jdomo)-1))-1) + 1
!IRP_ELSE
q = TRAILZ(IEOR(Idomo,Jdomo)) + 1
!IRP_ENDIF
Isomo = IEOR(Isomo, Jsomo)
Isomo = IBCLR(Isomo,q-1)
!IRP_IF WITHOUT_TRAILZ
! p = (popcnt(ieor(Isomo,Isomo-1))-1) + 1
!IRP_ELSE
p = TRAILZ(Isomo) + 1
!IRP_ENDIF
! Check for Minimal alpha electrons (MS)
!if(POPCNT(Isomo).lt.MS)then
! cycle
!endif
else
exc=0
exc(0,1,1) = 0
exc(0,2,1) = 0
exc(0,1,2) = 0
exc(0,2,2) = 0
do ii = 1,2
ishift = 1-bit_kind_size
do l=1,N_int
ishift = ishift + bit_kind_size
if (Jcfg(l,ii) == Icfg(l,ii)) then
cycle
endif
tmp = xor( Jcfg(l,ii), Icfg(l,ii) )
particle = iand(tmp, Icfg(l,ii))
hole = iand(tmp, Jcfg(l,ii))
if (particle /= 0_bit_kind) then
tz = trailz(particle)
exc(0,2,ii) = 1
exc(1,2,ii) = tz+ishift
!print *,"part ",tz+ishift, " ii=",ii
endif
if (hole /= 0_bit_kind) then
tz = trailz(hole)
exc(0,1,ii) = 1
exc(1,1,ii) = tz+ishift
!print *,"hole ",tz+ishift, " ii=",ii
endif
if ( iand(exc(0,1,ii),exc(0,2,ii)) /= 1) then ! exc(0,1,ii)/=1 and exc(0,2,ii) /= 1
cycle
endif
high = max(exc(1,1,ii), exc(1,2,ii))-1
low = min(exc(1,1,ii), exc(1,2,ii))
ASSERT (low >= 0)
ASSERT (high > 0)
k = shiftr(high,bit_kind_shift)+1
j = shiftr(low,bit_kind_shift)+1
m = iand(high,bit_kind_size-1)
n = iand(low,bit_kind_size-1)
if (j==k) then
nperm = nperm + popcnt(iand(Jcfg(j,ii), &
iand( shiftl(1_bit_kind,m)-1_bit_kind, &
not(shiftl(1_bit_kind,n))+1_bit_kind)) )
else
nperm = nperm + popcnt( &
iand(Jcfg(j,ii), &
iand(not(0_bit_kind), &
(not(shiftl(1_bit_kind,n)) + 1_bit_kind) ))) &
+ popcnt(iand(Jcfg(k,ii), &
(shiftl(1_bit_kind,m) - 1_bit_kind ) ))
do iii=j+1,k-1
nperm = nperm + popcnt(Jcfg(iii,ii))
end do
endif
! Set p and q
q = max(exc(1,1,1),exc(1,1,2))
p = max(exc(1,2,1),exc(1,2,2))
exit
enddo
enddo
endif
q = TRAILZ(IEOR(Idomo,Jdomo)) + 1
Isomo = IEOR(Isomo, Jsomo)
Isomo = IBCLR(Isomo,q-1)
p = TRAILZ(Isomo) + 1
! Check for Minimal alpha electrons (MS)
!if(POPCNT(Isomo).lt.MS)then
! cycle
!endif
else
! Find p
do ii=1,N_int
Isomo = Ialpha(ii,1)
Jsomo = psi_configuration(ii,1,i)
Idomo = Ialpha(ii,2)
Jdomo = psi_configuration(ii,2,i)
if(popcnt(IEOR(Idomo,Jdomo)) > 0)then
q = TRAILZ(IEOR(Idomo,Jdomo)) + 1 + ii * bit_kind_size
EXIT
endif
enddo
! Find q
do ii=1,N_int
Isomo = Ialpha(ii,1)
Jsomo = psi_configuration(ii,1,i)
Isomo = IEOR(Isomo, Jsomo)
Isomo = IBCLR(Isomo,q-1)
if(popcnt(Isomo) > 0)then
p = TRAILZ(Isomo) + 1 + ii * bit_kind_size
EXIT
endif
enddo
endif
!assert ( p == pp)
!assert ( q == qq)
end if
endif
case (2)
! DOMO -> SOMO
!print *,"obt DOMO -> SOMO"
extyp = 4
if(N_int.eq.1)then
IJsomo = IEOR(Isomo, Jsomo)
!IRP_IF WITHOUT_TRAILZ
! p = (popcnt(ieor( IAND(Jsomo,IJsomo), IAND(Jsomo,IJsomo)-1))-1) + 1
!IRP_ELSE
p = TRAILZ(IAND(Jsomo,IJsomo)) + 1
!IRP_ENDIF
IJsomo = IBCLR(IJsomo,p-1)
!IRP_IF WITHOUT_TRAILZ
! q = (popcnt(ieor( IJsomo , IJsomo -1))-1) + 1
!IRP_ELSE
q = TRAILZ(IJsomo) + 1
!IRP_ENDIF
else
exc=0
exc(0,1,1) = 0
exc(0,2,1) = 0
exc(0,1,2) = 0
exc(0,2,2) = 0
do ii = 1,2
ishift = 1-bit_kind_size
do l=1,N_int
ishift = ishift + bit_kind_size
if (Jcfg(l,ii) == Icfg(l,ii)) then
cycle
endif
tmp = xor( Jcfg(l,ii), Icfg(l,ii) )
particle = iand(tmp, Icfg(l,ii))
hole = iand(tmp, Jcfg(l,ii))
if (particle /= 0_bit_kind) then
tz = trailz(particle)
exc(0,2,ii) = 1
exc(1,2,ii) = tz+ishift
!print *,"part ",tz+ishift, " ii=",ii
endif
if (hole /= 0_bit_kind) then
tz = trailz(hole)
exc(0,1,ii) = 1
exc(1,1,ii) = tz+ishift
!print *,"hole ",tz+ishift, " ii=",ii
endif
if ( iand(exc(0,1,ii),exc(0,2,ii)) /= 1) then ! exc(0,1,ii)/=1 and exc(0,2,ii) /= 1
cycle
endif
high = max(exc(1,1,ii), exc(1,2,ii))-1
low = min(exc(1,1,ii), exc(1,2,ii))
ASSERT (low >= 0)
ASSERT (high > 0)
k = shiftr(high,bit_kind_shift)+1
j = shiftr(low,bit_kind_shift)+1
m = iand(high,bit_kind_size-1)
n = iand(low,bit_kind_size-1)
if (j==k) then
nperm = nperm + popcnt(iand(Jcfg(j,ii), &
iand( shiftl(1_bit_kind,m)-1_bit_kind, &
not(shiftl(1_bit_kind,n))+1_bit_kind)) )
else
nperm = nperm + popcnt( &
iand(Jcfg(j,ii), &
iand(not(0_bit_kind), &
(not(shiftl(1_bit_kind,n)) + 1_bit_kind) ))) &
+ popcnt(iand(Jcfg(k,ii), &
(shiftl(1_bit_kind,m) - 1_bit_kind ) ))
do iii=j+1,k-1
nperm = nperm + popcnt(Jcfg(iii,ii))
end do
endif
! Set p and q
q = max(exc(1,1,1),exc(1,1,2))
p = max(exc(1,2,1),exc(1,2,2))
exit
enddo
enddo
endif
IJsomo = IEOR(Isomo, Jsomo)
p = TRAILZ(IAND(Jsomo,IJsomo)) + 1
IJsomo = IBCLR(IJsomo,p-1)
q = TRAILZ(IJsomo) + 1
else
! Find p
do ii=1,N_int
Isomo = Ialpha(ii,1)
Jsomo = psi_configuration(ii,1,i)
Idomo = Ialpha(ii,2)
Jdomo = psi_configuration(ii,2,i)
IJsomo = IEOR(Isomo, Jsomo)
if(popcnt(IAND(Jsomo,IJsomo)) > 0)then
p = TRAILZ(IAND(Jsomo,IJsomo)) + 1 + ii * bit_kind_size
EXIT
endif
enddo
! Find q
do ii=1,N_int
Isomo = Ialpha(ii,1)
Jsomo = psi_configuration(ii,1,i)
IJsomo = IEOR(Isomo, Jsomo)
IJsomo = IBCLR(IJsomo,p-1)
if(popcnt(IJsomo) > 0)then
q = TRAILZ(IJsomo) + 1 + ii * bit_kind_size
EXIT
endif
enddo
endif
!assert ( p == pp)
!assert ( q == qq)
case default