Fix cnv method for unallocated vectors

base/modules/serial/psb_c_vect_mod.F90

@@ -526,9 +526,11 @@ contains
       allocate(tmp,stat=info,mold=psb_c_get_base_vect_default())
     end if
     if (allocated(x%v)) then
+      if (allocated(x%v%v)) then 
         call x%v%sync()
         if (info == psb_success_) call tmp%bld(x%v%v)
         call x%v%free(info)
+      endif
     end if
     call move_alloc(tmp,x%v)
 

base/modules/serial/psb_d_vect_mod.F90

@@ -533,9 +533,11 @@ contains
       allocate(tmp,stat=info,mold=psb_d_get_base_vect_default())
     end if
     if (allocated(x%v)) then
+      if (allocated(x%v%v)) then 
         call x%v%sync()
         if (info == psb_success_) call tmp%bld(x%v%v)
         call x%v%free(info)
+      endif
     end if
     call move_alloc(tmp,x%v)
 

base/modules/serial/psb_i_vect_mod.F90

@@ -473,9 +473,11 @@ contains
       allocate(tmp,stat=info,mold=psb_i_get_base_vect_default())
     end if
     if (allocated(x%v)) then
+      if (allocated(x%v%v)) then 
         call x%v%sync()
         if (info == psb_success_) call tmp%bld(x%v%v)
         call x%v%free(info)
+      endif
     end if
     call move_alloc(tmp,x%v)
 

base/modules/serial/psb_l_vect_mod.F90

@@ -474,9 +474,11 @@ contains
       allocate(tmp,stat=info,mold=psb_l_get_base_vect_default())
     end if
     if (allocated(x%v)) then
+      if (allocated(x%v%v)) then 
         call x%v%sync()
         if (info == psb_success_) call tmp%bld(x%v%v)
         call x%v%free(info)
+      endif
     end if
     call move_alloc(tmp,x%v)
 

base/modules/serial/psb_s_vect_mod.F90

@@ -533,9 +533,11 @@ contains
       allocate(tmp,stat=info,mold=psb_s_get_base_vect_default())
     end if
     if (allocated(x%v)) then
+      if (allocated(x%v%v)) then 
         call x%v%sync()
         if (info == psb_success_) call tmp%bld(x%v%v)
         call x%v%free(info)
+      endif
     end if
     call move_alloc(tmp,x%v)
 

base/modules/serial/psb_z_vect_mod.F90

@@ -526,9 +526,11 @@ contains
       allocate(tmp,stat=info,mold=psb_z_get_base_vect_default())
     end if
     if (allocated(x%v)) then
+      if (allocated(x%v%v)) then 
         call x%v%sync()
         if (info == psb_success_) call tmp%bld(x%v%v)
         call x%v%free(info)
+      endif
     end if
     call move_alloc(tmp,x%v)