Trap the cases where the state space matrices are not stored for memory allocation issues

[to be fixed later by breaking the big matrix stored ...]

matlab/gsa/map_ident_.m

@@ -54,7 +54,11 @@ if opt_gsa.load_ident_files==0,
   mss = yys(bayestopt_.mfys,:);
   mss = teff(mss(:,istable),Nsam,istable);
   yys = teff(yys(oo_.dr.order_var,istable),Nsam,istable);
-  [vdec, cc, ac] = mc_moments(T, lpmatx, oo_.dr);
+  if exist('T'),
+      [vdec, cc, ac] = mc_moments(T, lpmatx, oo_.dr);
+  else
+      return,
+  end
 
 
   if opt_gsa.morris==2,

matlab/gsa/redform_map.m

@@ -73,6 +73,11 @@ if ~exist('T')
     else
         load([dirname,'/',M_.fname,'_mc'],'T');
     end
+    if ~exist('T'),
+        disp('The model is too large!')
+        disp('Reduced form mapping stopped!')
+        return
+    end
 end
 if isempty(dir(adir))
     mkdir(adir)