From 7f64b1e21508c3e47fae443f604bb3715b132369 Mon Sep 17 00:00:00 2001
From: Johannes Pfeifer <jpfeifer@gmx.de>
Date: Mon, 6 Dec 2021 11:15:20 +0100
Subject: [PATCH] make_ex_.m: gracefully exit if user attempts to set
non-existent period 0
(cherry picked from commit ce9bb2f09d23684043146bd7891274d2374891c6)
---
matlab/perfect-foresight-models/make_ex_.m | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/matlab/perfect-foresight-models/make_ex_.m b/matlab/perfect-foresight-models/make_ex_.m
index 6f3e7dfa9a..13663cffaf 100644
--- a/matlab/perfect-foresight-models/make_ex_.m
+++ b/matlab/perfect-foresight-models/make_ex_.m
@@ -10,7 +10,7 @@ function oo_ = make_ex_(M_, options_, oo_)
% OUTPUTS
% - oo_ [struct] Updated dynare results structure
-% Copyright (C) 1996-2020 Dynare Team
+% Copyright (C) 1996-2021 Dynare Team
%
% This file is part of Dynare.
%
@@ -78,6 +78,9 @@ end
% Add temporary shocks
if isfield(M_, 'det_shocks')
+ if ~isempty(M_.det_shocks) && any([M_.det_shocks.periods]==0) && ~M_.maximum_lag
+ error('make_ex_: The model does not have lags, so you cannot set values for period 0'); %leads are taken care of by preprocessor
+ end
for i = 1:length(M_.det_shocks)
k = M_.det_shocks(i).periods + M_.maximum_lag;
ivar = M_.det_shocks(i).exo_id;
--
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