From e3c1204c2f223070927416e2f436a95eada2358c Mon Sep 17 00:00:00 2001
From: Johannes Pfeifer <jpfeifer@gmx.de>
Date: Thu, 9 Sep 2021 15:38:35 +0200
Subject: [PATCH] Clarify auxiliary variable types
Related to https://git.dynare.org/Dynare/dynare/-/issues/1811
(cherry picked from commit 58ee240048d76b5abe4cdddebad29d97591d52c8)
---
matlab/isauxiliary.m | 8 ++++----
matlab/subst_auxvar.m | 6 ++++++
2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/matlab/isauxiliary.m b/matlab/isauxiliary.m
index 256af69314..796d8dfa18 100644
--- a/matlab/isauxiliary.m
+++ b/matlab/isauxiliary.m
@@ -4,7 +4,7 @@ function b = isauxiliary(var, types)
%
% INPUTS
% - var [string] Name of the variable.
-% - types [integer] vector of type of auxiliary variables.
+% - types [integer] vector of type of auxiliary variables.
%
% OUTPUTS
% - b [logical]
@@ -20,13 +20,13 @@ function b = isauxiliary(var, types)
% - 4 Expectation (substitute for Expectation Operator)
% - 5, Diff forward (substitute for the differentiate of a forward variable)
% - 6, Multipliers for FOC of Ramsey Problem
-% - 7, Variable for var_model with order > abs(min_lag()) present in model
+% - 7, currently not used, see SymbolTable.hh
% - 8, Variable for Diff operator
% - 9, Lag on Diff
-% - 10, Unary operator (log, exp)
+% - 10, Variable created when diff was taken of unary operator (log, exp)
% - 11, Lead on Diff
-% Copyright (C) 2018-2019 Dynare Team
+% Copyright (C) 2018-2021 Dynare Team
%
% This file is part of Dynare.
%
diff --git a/matlab/subst_auxvar.m b/matlab/subst_auxvar.m
index a5d2781e4b..43aeff4434 100644
--- a/matlab/subst_auxvar.m
+++ b/matlab/subst_auxvar.m
@@ -60,6 +60,9 @@ if ~isempty(aux_index)
str = sprintf('%s', M_.endo_names{M_.aux_vars(aux_index).endo_index});
end
return
+ case 7
+ % currently unused
+ error('This type of auxiliary variable should not occur, please contact the developers.')
case 8
% Diff operator
str = sprintf('diff(%s)', M_.endo_names{M_.aux_vars(aux_index).orig_index});
@@ -74,6 +77,9 @@ if ~isempty(aux_index)
end
str = sprintf('diff(%s(-%u))', M_.endo_names{M_.aux_vars(j).orig_index}, lags);
return
+ case 10
+ % Variable created when diff was taken of unary operator (log, exp)
+ error('This type of auxiliary variable should not occur, please contact the developers.')
case 11
% Leaded diff
leads = 0;
--
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