Inactives deactivated in MRCC

plugins/MRCC_Utils/amplitudes.irp.f

@@ -23,33 +23,39 @@
  allocate(pathTo(N_det_non_ref))
 
  pathTo(:) = 0
- is_active_exc(:) = .false.
+ is_active_exc(:) = .True. 
  n_exc_active = 0
 
- do hh = 1, hh_shortcut(0)
+! do hh = 1, hh_shortcut(0)
-   do pp = hh_shortcut(hh), hh_shortcut(hh+1)-1
+!   do pp = hh_shortcut(hh), hh_shortcut(hh+1)-1
-     do II = 1, N_det_ref
+!     do II = 1, N_det_ref
+!
+!       call apply_hole_local(psi_ref(1,1,II), hh_exists(1, hh), myMask, ok, N_int)
+!       if(.not. ok) cycle
+!
+!       call apply_particle_local(myMask, pp_exists(1, pp), myDet, ok, N_int)
+!       if(.not. ok) cycle
+!
+!       ind = searchDet(psi_non_ref_sorted(1,1,1), myDet(1,1), N_det_non_ref, N_int)
+!       if(ind == -1) cycle
+!
+!       logical, external :: is_a_two_holes_two_particles
+!       if (is_a_two_holes_two_particles(myDet)) then
+!         is_active_exc(pp) = .False.
+!       endif
 
-       call apply_hole_local(psi_ref(1,1,II), hh_exists(1, hh), myMask, ok, N_int)
+!       ind = psi_non_ref_sorted_idx(ind)
-       if(.not. ok) cycle
+!       if(pathTo(ind) == 0) then
+!         pathTo(ind) = pp
+!       else
+!         is_active_exc(pp) = .true.
+!         is_active_exc(pathTo(ind)) = .true.
+!       end if
 
-       call apply_particle_local(myMask, pp_exists(1, pp), myDet, ok, N_int)
+!     end do
-       if(.not. ok) cycle
+!   end do
+! end do
 
-       ind = searchDet(psi_non_ref_sorted(1,1,1), myDet(1,1), N_det_non_ref, N_int)
-       if(ind == -1) cycle
-
-       ind = psi_non_ref_sorted_idx(ind)
-       if(pathTo(ind) == 0) then
-         pathTo(ind) = pp
-       else
-         is_active_exc(pp) = .true.
-         is_active_exc(pathTo(ind)) = .true.
-       end if
-     end do
-   end do
- end do
-!is_active_exc=.true.
  do hh = 1, hh_shortcut(0)
   do pp = hh_shortcut(hh), hh_shortcut(hh+1)-1
     if(is_active_exc(pp)) then
@@ -66,6 +72,32 @@
 
 END_PROVIDER
 
+BEGIN_PROVIDER [ logical, has_a_unique_parent, (N_det_non_ref) ]
+ implicit none
+ BEGIN_DOC
+ ! True if the determinant in the non-reference has a unique parent
+ END_DOC
+ integer :: i,j,n
+ integer :: degree
+ do j=1,N_det_non_ref
+  has_a_unique_parent(j) = .True. 
+  n=0
+  do i=1,N_det_ref
+   call get_excitation_degree(psi_ref(1,1,i), psi_non_ref(1,1,j), degree, N_int)
+   if (degree < 2) then
+     n = n+1
+     if (n > 1) then
+       has_a_unique_parent(j) = .False.
+       exit
+     endif
+   endif
+  enddo
+ enddo
+
+END_PROVIDER
+
+
+
 BEGIN_PROVIDER [ integer, n_exc_active_sze ]
  implicit none
  BEGIN_DOC
@@ -95,7 +127,7 @@ END_PROVIDER
      !$OMP   active_excitation_to_determinants_val, active_excitation_to_determinants_idx)&
      !$OMP shared(hh_shortcut, psi_ref_coef, N_det_non_ref, psi_non_ref_sorted, &
      !$OMP   psi_non_ref_sorted_idx, psi_ref, N_det_ref, N_states)&
-     !$OMP shared(is_active_exc, active_hh_idx, active_pp_idx, n_exc_active)&
+     !$OMP shared(active_hh_idx, active_pp_idx, n_exc_active)&
      !$OMP private(lref, pp, II, ok, myMask, myDet, ind, phase, wk, ppp, hh, s)
  allocate(lref(N_det_non_ref))
  !$OMP DO schedule(dynamic)

plugins/MRCC_Utils/mrcc_utils.irp.f

@@ -693,12 +693,12 @@ END_PROVIDER
   double precision               :: phase
   
   
-  double precision, allocatable :: rho_mrcc_init(:)
+  double precision, allocatable :: rho_mrcc_inact(:)
   integer                        :: a_coll, at_roww
   
   print *, "TI", hh_nex, N_det_non_ref
 
-  allocate(rho_mrcc_init(N_det_non_ref))
+  allocate(rho_mrcc_inact(N_det_non_ref))
   allocate(x_new(hh_nex))
   allocate(x(hh_nex), AtB(hh_nex))
 
@@ -710,7 +710,7 @@ END_PROVIDER
         !$OMP private(at_row, a_col, i, j, r1, r2, wk, A_ind_mwen, A_val_mwen, a_coll, at_roww)&
         !$OMP shared(N_states,mrcc_col_shortcut, mrcc_N_col, AtB, mrcc_AtA_val, mrcc_AtA_ind, s, n_exc_active, active_pp_idx)
     
-    !$OMP DO schedule(dynamic, 100)
+    !$OMP DO schedule(static, 100)
     do at_roww = 1, n_exc_active ! hh_nex
       at_row = active_pp_idx(at_roww)
       do i=1,active_excitation_to_determinants_idx(0,at_roww)
@@ -729,7 +729,7 @@ END_PROVIDER
       X(a_col) = AtB(a_col)
     end do
     
-    rho_mrcc_init = 0d0
+    rho_mrcc_inact(:) = 0d0
     
     allocate(lref(N_det_ref))
     do hh = 1, hh_shortcut(0)
@@ -753,19 +753,15 @@ END_PROVIDER
         X(pp) =  AtB(pp) 
         do II=1,N_det_ref
           if(lref(II) > 0) then
-            rho_mrcc_init(lref(II)) = psi_ref_coef(II,s) * X(pp)
+            rho_mrcc_inact(lref(II)) = psi_ref_coef(II,s) * X(pp)
           else if(lref(II) < 0) then
-            rho_mrcc_init(-lref(II)) = -psi_ref_coef(II,s) * X(pp)
+            rho_mrcc_inact(-lref(II)) = -psi_ref_coef(II,s) * X(pp)
           end if
         end do
       end do
     end do
     deallocate(lref)
 
-    do i=1,N_det_non_ref
-      rho_mrcc(i,s) = rho_mrcc_init(i) 
-    enddo
-
     x_new = x
     
     double precision               :: factor, resold
@@ -793,7 +789,10 @@ END_PROVIDER
         print *, k, res, 1.d0 - res/resold
       endif
       
-      if ( (res < 1d-10).or.(res/resold > 0.99d0) ) then
+      if ( res < 1d-10 ) then
+        exit
+      endif
+      if ( (res/resold > 0.99d0) ) then
         exit
       endif
       resold = res
@@ -802,38 +801,60 @@ END_PROVIDER
     dIj_unique(1:size(X), s) = X(1:size(X))
     print *, k, res, 1.d0 - res/resold
 
-  enddo
 
-  do s=1,N_states
+    do i=1,N_det_non_ref
+      rho_mrcc(i,s) = 0.d0
+    enddo
 
     do a_coll=1,n_exc_active
       a_col = active_pp_idx(a_coll)
       do j=1,N_det_non_ref
         i = active_excitation_to_determinants_idx(j,a_coll)
         if (i==0) exit
+        if (rho_mrcc_inact(i) /= 0.d0) then
+          call debug_det(psi_non_ref(1,1,i),N_int)
+          stop
+        endif
         rho_mrcc(i,s) = rho_mrcc(i,s) + active_excitation_to_determinants_val(s,j,a_coll) * dIj_unique(a_col,s)
       enddo
     end do
 
-    norm = 0.d0
+    double precision :: norm2_ref, norm2_inact, a, b, c, Delta
-    do i=1,N_det_non_ref
+    ! Psi = Psi_ref + Psi_inactive + f*Psi_active
-      norm = norm + rho_mrcc(i,s)*rho_mrcc(i,s)
+    ! Find f to normalize Psi
-    enddo
-    ! Norm now contains the norm of A.X
 
+    norm2_ref = 0.d0
     do i=1,N_det_ref
-      norm = norm + psi_ref_coef(i,s)*psi_ref_coef(i,s)
+      norm2_ref = norm2_ref + psi_ref_coef(i,s)*psi_ref_coef(i,s)
     enddo
-    ! Norm now contains the norm of Psi + A.X
 
+    a = 0.d0
+    do i=1,N_det_non_ref
+      a = a + rho_mrcc(i,s)*rho_mrcc(i,s)
+    enddo
+
+    norm = a + norm2_ref
     print *, "norm : ", sqrt(norm)
+
+    norm = sqrt((1.d0-norm2_ref)/a)
+
+    ! Renormalize Psi+A.X
+    do i=1,N_det_non_ref
+      rho_mrcc(i,s) = rho_mrcc(i,s) * norm 
     enddo
 
+!norm = norm2_ref
+!do i=1,N_det_non_ref
+!  norm = norm + rho_mrcc(i,s)**2
+!enddo
+!print *,  'check', norm
+!stop
+
+     
         
-   do s=1,N_states
      norm = 0.d0
      double precision               :: f, g, gmax
-     gmax = 1.d0*maxval(dabs(psi_non_ref_coef(:,s)))
+     gmax = maxval(dabs(psi_non_ref_coef(:,s)))
      do i=1,N_det_non_ref
        if (lambda_type == 2) then
          f = 1.d0
@@ -845,41 +866,22 @@ END_PROVIDER
         f = psi_non_ref_coef(i,s) / rho_mrcc(i,s)
 
         ! Avoid numerical instabilities
-!        g = 1.d0+dabs(gmax / psi_non_ref_coef(i,s) )
         g = 2.d0+100.d0*exp(-20.d0*dabs(psi_non_ref_coef(i,s)/gmax))
         f = min(f, g)
         f = max(f,-g)
+
       endif
 
-       norm = norm + f*f *rho_mrcc(i,s)*rho_mrcc(i,s)
+       norm = norm + (rho_mrcc(i,s)*f)**2
        rho_mrcc(i,s) = f
      enddo
-     ! norm now contains the norm of |T.Psi_0>
+     ! rho_mrcc now contains the mu_i factors
-     ! rho_mrcc now contains the f factors
-
-     f = 1.d0/norm
-     ! f now contains 1/ <T.Psi_0|T.Psi_0>
-
-     norm = 0.d0
-     do i=1,N_det_non_ref
-       norm = norm + psi_non_ref_coef(i,s)*psi_non_ref_coef(i,s)
-     enddo
-     ! norm now contains <Psi_SD|Psi_SD>
-     f = dsqrt(f*norm)
-     ! f normalises T.Psi_0 such that (1+T)|Psi> is normalized
 
      print *,  'norm of |T Psi_0> = ', dsqrt(norm)
-     norm = norm*f
+     if (norm > 1.d0) then
-     if (dsqrt(norm) > 1.d0) then
        stop 'Error : Norm of the SD larger than the norm of the reference.'
      endif
 
-     do i=1,N_det_non_ref
-       rho_mrcc(i,s) = rho_mrcc(i,s) * f
-     enddo
-     ! rho_mrcc now contains the product of the scaling factors and the
-     ! normalization constant
-    
   end do
 
 END_PROVIDER

plugins/analyze_wf/analyze_wf.irp.f

@@ -30,13 +30,13 @@ subroutine run
       if (occupation(i) > 1.999d0) then
         class(0,1) += 1
         class( class(0,1), 1) = i
-      else if (occupation(i) > 1.95d0) then
+      else if (occupation(i) > 1.97d0) then
         class(0,2) += 1
         class( class(0,2), 2) = i
       else if (occupation(i) < 0.001d0) then
         class(0,5) += 1
         class( class(0,5), 5) = i
-      else if (occupation(i) < 0.01d0) then
+      else if (occupation(i) < 0.03d0) then
         class(0,4) += 1
         class( class(0,4), 4) = i
       else 

plugins/mrcepa0/dressing.irp.f

@@ -38,7 +38,7 @@ use bitmasks
       do p=hh_shortcut(h), hh_shortcut(h+1)-1
         call apply_particle_local(mask, pp_exists(1, p), buf(1,1,n), ok, N_int)
         if(ok) n = n + 1
-        if(n > N_det_non_ref) stop "MRCC..."
+        if(n > N_det_non_ref) stop "Buffer too small in MRCC..."
       end do
       n = n - 1
 

tests/bats/mrcepa0.bats

@@ -32,7 +32,7 @@ source $QP_ROOT/tests/bats/common.bats.sh
   ezfio set mrcepa0 n_it_max_dressed_ci 3
   qp_run $EXE $INPUT  
   energy="$(ezfio get mrcepa0 energy_pt2)"
-  eq $energy -76.2381673136696 2.e-4
+  eq $energy -76.2381754078899   1.e-4
 }
 
 @test "MRSC2 H2O cc-pVDZ" {