dynare_estimation_init.m: make sure OccBin estimation can be run after...

dynare_estimation_init.m: make sure OccBin estimation can be run after previous shocks(surprise) block

(cherry picked from commit 37eb1097)

# Conflicts:
#	matlab/dynare_estimation_init.m

matlab/dynare_estimation_init.m

@@ -714,4 +714,13 @@ if options_.occbin.smoother.status && options_.occbin.smoother.inversion_filter
         fprintf('dynare_estimation_init: the inversion filter does not support smoothed_state_uncertainty. Disabling the option.\n')        
         options_.smoothed_state_uncertainty=false;
     end
+end
+
+if options_.occbin.smoother.status || options_.occbin.likelihood.status
+    if isfield(M_,'surprise_shocks') && ~isempty(M_.surprise_shocks)
+        fprintf('dynare_estimation_init: OccBin smoother/filter: previous shocks(surprise) block detected. Deleting its content.\n')
+        options_.occbin.simul.SHOCKS=zeros(1,M_.exo_nbr);
+        options_.occbin.simul.exo_pos=1:M_.exo_nbr;
+        M_.surprise_shocks=[];
+    end
 end
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