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Working on obtain I for alpha.
This commit is contained in:
v1j4y
parent
0234e46e1b
commit
4b3b6300ef
@ -315,86 +315,35 @@ subroutine obtain_connected_I_foralpha(idxI, Ialpha, connectedI, idxs_connectedI
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!print *,"obt SOMO -> VMO"
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extyp = 3
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if(N_int .eq. 1) then
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IJsomo = IEOR(Isomo, Jsomo)
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!IRP_IF WITHOUT_TRAILZ
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! p = (popcnt(ieor( IAND(Isomo,IJsomo) , IAND(Isomo,IJsomo) -1))-1) + 1
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!IRP_ELSE
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p = TRAILZ(IAND(Isomo,IJsomo)) + 1
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!IRP_ENDIF
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IJsomo = IBCLR(IJsomo,p-1)
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!IRP_IF WITHOUT_TRAILZ
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! q = (popcnt(ieor(IJsomo,IJsomo-1))-1) + 1
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!IRP_ELSE
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q = TRAILZ(IJsomo) + 1
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!IRP_ENDIF
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!print *," p=",p," q=",q
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!call get_single_excitation_cfg(Jcfg, Icfg, p, q, N_int)
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else
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exc = 0
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do ii = 1,2
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ishift = 1-bit_kind_size
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do l=1,N_int
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ishift = ishift + bit_kind_size
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if (Jcfg(l,ii) == Icfg(l,ii)) then
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cycle
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endif
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tmp = xor( Jcfg(l,ii), Icfg(l,ii) )
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particle = iand(tmp, Icfg(l,ii))
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hole = iand(tmp, Jcfg(l,ii))
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if (particle /= 0_bit_kind) then
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tz = trailz(particle)
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exc(0,2,ii) = 1
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exc(1,2,ii) = tz+ishift
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!print *,"part ",tz+ishift, " ii=",ii, exc(1,2,2)
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endif
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if (hole /= 0_bit_kind) then
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tz = trailz(hole)
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exc(0,1,ii) = 1
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exc(1,1,ii) = tz+ishift
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!print *,"hole ",tz+ishift, " ii=",ii, exc(1,1,2)
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endif
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if ( iand(exc(0,1,ii),exc(0,2,ii)) /= 1) then ! exc(0,1,ii)/=1 and exc(0,2,ii) /= 1
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cycle
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endif
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high = max(exc(1,1,ii), exc(1,2,ii))-1
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low = min(exc(1,1,ii), exc(1,2,ii))
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ASSERT (low >= 0)
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ASSERT (high > 0)
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k = shiftr(high,bit_kind_shift)+1
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j = shiftr(low,bit_kind_shift)+1
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m = iand(high,bit_kind_size-1)
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n = iand(low,bit_kind_size-1)
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if (j==k) then
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nperm = nperm + popcnt(iand(Jcfg(j,ii), &
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iand( shiftl(1_bit_kind,m)-1_bit_kind, &
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not(shiftl(1_bit_kind,n))+1_bit_kind)) )
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else
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nperm = nperm + popcnt( &
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iand(Jcfg(j,ii), &
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iand(not(0_bit_kind), &
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(not(shiftl(1_bit_kind,n)) + 1_bit_kind) ))) &
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+ popcnt(iand(Jcfg(k,ii), &
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(shiftl(1_bit_kind,m) - 1_bit_kind ) ))
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do iii=j+1,k-1
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nperm = nperm + popcnt(Jcfg(iii,ii))
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end do
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endif
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! Set p and q
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q = max(exc(1,1,1),exc(1,1,2))
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p = max(exc(1,2,1),exc(1,2,2))
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exit
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enddo
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enddo
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endif
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IJsomo = IEOR(Isomo, Jsomo)
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p = TRAILZ(IAND(Isomo,IJsomo)) + 1
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IJsomo = IBCLR(IJsomo,p-1)
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q = TRAILZ(IJsomo) + 1
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!print *," p=",p," q=",q
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!call get_single_excitation_cfg(Jcfg, Icfg, p, q, N_int)
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else
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! Find p
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do ii=1,N_int
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Isomo = Ialpha(ii,1)
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Jsomo = psi_configuration(ii,1,i)
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IJsomo = IEOR(Isomo, Jsomo)
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if(popcnt(IAND(Isomo,IJsomo)) > 0)then
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p = TRAILZ(IAND(Isomo,IJsomo)) + 1 + ii * bit_kind_size
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EXIT
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endif
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end do
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! Find q
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do ii=1,N_int
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Isomo = Ialpha(ii,1)
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Jsomo = psi_configuration(ii,1,i)
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IJsomo = IEOR(Isomo, Jsomo)
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IJsomo = IBCLR(IJsomo,p-1)
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if(popcnt(IJsomo) > 0)then
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q = TRAILZ(IJsomo) + 1 + ii * bit_kind_size
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EXIT
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endif
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enddo
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endif
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!assert ( p == pp)
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!assert ( q == qq)
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!print *," --- p=",p," q=",q
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@ -409,88 +358,35 @@ endif
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!print *,"obt DOMO -> VMO"
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extyp = 2
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if(N_int.eq.1)then
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!IRP_IF WITHOUT_TRAILZ
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! p = (popcnt(ieor( IEOR(Idomo,Jdomo),IEOR(Idomo,Jdomo) -1))-1) + 1
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!IRP_ELSE
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p = TRAILZ(IEOR(Idomo,Jdomo)) + 1
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!IRP_ENDIF
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Isomo = IEOR(Isomo, Jsomo)
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Isomo = IBCLR(Isomo,p-1)
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!IRP_IF WITHOUT_TRAILZ
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! q = (popcnt(ieor(Isomo,Isomo-1))-1) + 1
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!IRP_ELSE
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q = TRAILZ(Isomo) + 1
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!IRP_ENDIF
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else
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exc=0
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exc(0,1,1) = 0
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exc(0,2,1) = 0
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exc(0,1,2) = 0
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exc(0,2,2) = 0
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do ii = 1,2
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ishift = 1-bit_kind_size
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do l=1,N_int
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ishift = ishift + bit_kind_size
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if (Jcfg(l,ii) == Icfg(l,ii)) then
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cycle
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endif
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tmp = xor( Jcfg(l,ii), Icfg(l,ii) )
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particle = iand(tmp, Icfg(l,ii))
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hole = iand(tmp, Jcfg(l,ii))
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if (particle /= 0_bit_kind) then
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tz = trailz(particle)
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exc(0,2,ii) = 1
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exc(1,2,ii) = tz+ishift
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!print *,"part ",tz+ishift, " ii=",ii
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endif
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if (hole /= 0_bit_kind) then
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tz = trailz(hole)
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exc(0,1,ii) = 1
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exc(1,1,ii) = tz+ishift
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!print *,"hole ",tz+ishift, " ii=",ii
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endif
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p = TRAILZ(IEOR(Idomo,Jdomo)) + 1
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Isomo = IEOR(Isomo, Jsomo)
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Isomo = IBCLR(Isomo,p-1)
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q = TRAILZ(Isomo) + 1
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else
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if ( iand(exc(0,1,ii),exc(0,2,ii)) /= 1) then ! exc(0,1,ii)/=1 and exc(0,2,ii) /= 1
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cycle
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endif
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high = max(exc(1,1,ii), exc(1,2,ii))-1
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low = min(exc(1,1,ii), exc(1,2,ii))
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ASSERT (low >= 0)
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ASSERT (high > 0)
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k = shiftr(high,bit_kind_shift)+1
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j = shiftr(low,bit_kind_shift)+1
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m = iand(high,bit_kind_size-1)
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n = iand(low,bit_kind_size-1)
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if (j==k) then
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nperm = nperm + popcnt(iand(Jcfg(j,ii), &
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iand( shiftl(1_bit_kind,m)-1_bit_kind, &
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not(shiftl(1_bit_kind,n))+1_bit_kind)) )
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else
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nperm = nperm + popcnt( &
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iand(Jcfg(j,ii), &
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iand(not(0_bit_kind), &
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(not(shiftl(1_bit_kind,n)) + 1_bit_kind) ))) &
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+ popcnt(iand(Jcfg(k,ii), &
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(shiftl(1_bit_kind,m) - 1_bit_kind ) ))
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do iii=j+1,k-1
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nperm = nperm + popcnt(Jcfg(iii,ii))
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end do
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endif
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! Set p and q
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q = max(exc(1,1,1),exc(1,1,2))
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p = max(exc(1,2,1),exc(1,2,2))
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exit
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enddo
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enddo
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endif
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! Find p
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do ii=1,N_int
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Isomo = Ialpha(ii,1)
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Jsomo = psi_configuration(ii,1,i)
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Idomo = Ialpha(ii,2)
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Jdomo = psi_configuration(ii,2,i)
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if(popcnt(IEOR(Idomo,Jdomo)) > 0)then
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p = TRAILZ(IEOR(Idomo,Jdomo)) + 1 + ii * bit_kind_size
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EXIT
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endif
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end do
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! Find q
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do ii=1,N_int
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Isomo = Ialpha(ii,1)
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Jsomo = psi_configuration(ii,1,i)
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Isomo = IEOR(Isomo, Jsomo)
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Isomo = IBCLR(Isomo,p-1)
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if(popcnt(Isomo) > 0)then
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q = TRAILZ(Isomo) + 1 + ii * bit_kind_size
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EXIT
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endif
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end do
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endif
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!assert ( p == pp)
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!assert ( q == qq)
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else
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@ -498,183 +394,75 @@ endif
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!print *,"obt SOMO -> SOMO"
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extyp = 1
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if(N_int.eq.1)then
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!IRP_IF WITHOUT_TRAILZ
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! q = (popcnt(ieor( IEOR(Idomo,Jdomo), IEOR(Idomo,Jdomo)-1))-1) + 1
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!IRP_ELSE
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q = TRAILZ(IEOR(Idomo,Jdomo)) + 1
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!IRP_ENDIF
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Isomo = IEOR(Isomo, Jsomo)
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Isomo = IBCLR(Isomo,q-1)
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!IRP_IF WITHOUT_TRAILZ
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! p = (popcnt(ieor(Isomo,Isomo-1))-1) + 1
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!IRP_ELSE
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p = TRAILZ(Isomo) + 1
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!IRP_ENDIF
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! Check for Minimal alpha electrons (MS)
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!if(POPCNT(Isomo).lt.MS)then
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! cycle
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!endif
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else
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exc=0
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exc(0,1,1) = 0
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exc(0,2,1) = 0
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exc(0,1,2) = 0
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exc(0,2,2) = 0
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do ii = 1,2
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ishift = 1-bit_kind_size
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do l=1,N_int
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ishift = ishift + bit_kind_size
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if (Jcfg(l,ii) == Icfg(l,ii)) then
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cycle
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endif
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tmp = xor( Jcfg(l,ii), Icfg(l,ii) )
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particle = iand(tmp, Icfg(l,ii))
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hole = iand(tmp, Jcfg(l,ii))
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if (particle /= 0_bit_kind) then
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tz = trailz(particle)
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exc(0,2,ii) = 1
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exc(1,2,ii) = tz+ishift
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!print *,"part ",tz+ishift, " ii=",ii
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endif
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if (hole /= 0_bit_kind) then
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tz = trailz(hole)
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exc(0,1,ii) = 1
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exc(1,1,ii) = tz+ishift
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!print *,"hole ",tz+ishift, " ii=",ii
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endif
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if ( iand(exc(0,1,ii),exc(0,2,ii)) /= 1) then ! exc(0,1,ii)/=1 and exc(0,2,ii) /= 1
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cycle
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endif
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high = max(exc(1,1,ii), exc(1,2,ii))-1
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low = min(exc(1,1,ii), exc(1,2,ii))
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ASSERT (low >= 0)
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ASSERT (high > 0)
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k = shiftr(high,bit_kind_shift)+1
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j = shiftr(low,bit_kind_shift)+1
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m = iand(high,bit_kind_size-1)
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n = iand(low,bit_kind_size-1)
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if (j==k) then
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nperm = nperm + popcnt(iand(Jcfg(j,ii), &
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iand( shiftl(1_bit_kind,m)-1_bit_kind, &
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not(shiftl(1_bit_kind,n))+1_bit_kind)) )
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else
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nperm = nperm + popcnt( &
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iand(Jcfg(j,ii), &
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iand(not(0_bit_kind), &
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(not(shiftl(1_bit_kind,n)) + 1_bit_kind) ))) &
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+ popcnt(iand(Jcfg(k,ii), &
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(shiftl(1_bit_kind,m) - 1_bit_kind ) ))
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do iii=j+1,k-1
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nperm = nperm + popcnt(Jcfg(iii,ii))
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end do
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endif
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! Set p and q
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q = max(exc(1,1,1),exc(1,1,2))
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p = max(exc(1,2,1),exc(1,2,2))
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exit
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enddo
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enddo
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endif
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q = TRAILZ(IEOR(Idomo,Jdomo)) + 1
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Isomo = IEOR(Isomo, Jsomo)
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Isomo = IBCLR(Isomo,q-1)
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p = TRAILZ(Isomo) + 1
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! Check for Minimal alpha electrons (MS)
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!if(POPCNT(Isomo).lt.MS)then
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! cycle
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!endif
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else
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! Find p
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do ii=1,N_int
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Isomo = Ialpha(ii,1)
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Jsomo = psi_configuration(ii,1,i)
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Idomo = Ialpha(ii,2)
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Jdomo = psi_configuration(ii,2,i)
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if(popcnt(IEOR(Idomo,Jdomo)) > 0)then
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q = TRAILZ(IEOR(Idomo,Jdomo)) + 1 + ii * bit_kind_size
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EXIT
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endif
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enddo
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! Find q
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do ii=1,N_int
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Isomo = Ialpha(ii,1)
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Jsomo = psi_configuration(ii,1,i)
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Isomo = IEOR(Isomo, Jsomo)
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Isomo = IBCLR(Isomo,q-1)
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if(popcnt(Isomo) > 0)then
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p = TRAILZ(Isomo) + 1 + ii * bit_kind_size
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EXIT
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endif
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enddo
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endif
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!assert ( p == pp)
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!assert ( q == qq)
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end if
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endif
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case (2)
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! DOMO -> SOMO
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!print *,"obt DOMO -> SOMO"
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extyp = 4
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if(N_int.eq.1)then
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IJsomo = IEOR(Isomo, Jsomo)
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!IRP_IF WITHOUT_TRAILZ
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! p = (popcnt(ieor( IAND(Jsomo,IJsomo), IAND(Jsomo,IJsomo)-1))-1) + 1
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!IRP_ELSE
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p = TRAILZ(IAND(Jsomo,IJsomo)) + 1
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!IRP_ENDIF
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IJsomo = IBCLR(IJsomo,p-1)
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!IRP_IF WITHOUT_TRAILZ
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! q = (popcnt(ieor( IJsomo , IJsomo -1))-1) + 1
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!IRP_ELSE
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q = TRAILZ(IJsomo) + 1
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!IRP_ENDIF
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else
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exc=0
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exc(0,1,1) = 0
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exc(0,2,1) = 0
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exc(0,1,2) = 0
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exc(0,2,2) = 0
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do ii = 1,2
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ishift = 1-bit_kind_size
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do l=1,N_int
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ishift = ishift + bit_kind_size
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if (Jcfg(l,ii) == Icfg(l,ii)) then
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cycle
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endif
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tmp = xor( Jcfg(l,ii), Icfg(l,ii) )
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particle = iand(tmp, Icfg(l,ii))
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hole = iand(tmp, Jcfg(l,ii))
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if (particle /= 0_bit_kind) then
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tz = trailz(particle)
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exc(0,2,ii) = 1
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exc(1,2,ii) = tz+ishift
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!print *,"part ",tz+ishift, " ii=",ii
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endif
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if (hole /= 0_bit_kind) then
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tz = trailz(hole)
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exc(0,1,ii) = 1
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exc(1,1,ii) = tz+ishift
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!print *,"hole ",tz+ishift, " ii=",ii
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endif
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if ( iand(exc(0,1,ii),exc(0,2,ii)) /= 1) then ! exc(0,1,ii)/=1 and exc(0,2,ii) /= 1
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cycle
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endif
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high = max(exc(1,1,ii), exc(1,2,ii))-1
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low = min(exc(1,1,ii), exc(1,2,ii))
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ASSERT (low >= 0)
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ASSERT (high > 0)
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k = shiftr(high,bit_kind_shift)+1
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j = shiftr(low,bit_kind_shift)+1
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m = iand(high,bit_kind_size-1)
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n = iand(low,bit_kind_size-1)
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if (j==k) then
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nperm = nperm + popcnt(iand(Jcfg(j,ii), &
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iand( shiftl(1_bit_kind,m)-1_bit_kind, &
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not(shiftl(1_bit_kind,n))+1_bit_kind)) )
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else
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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
|
||||
|
||||
Loading…
Reference in New Issue
Block a user