From 96e2a8f97134ea2866da68db2e6e1fa381b3e51e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Villemot?= <sebastien@dynare.org>
Date: Wed, 19 Jan 2022 15:52:46 +0100
Subject: [PATCH] Fix orig_lead_lag field for diff lag aux vars
---
src/ExprNode.cc | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/ExprNode.cc b/src/ExprNode.cc
index c8635021..91ca9360 100644
--- a/src/ExprNode.cc
+++ b/src/ExprNode.cc
@@ -3418,10 +3418,10 @@ UnaryOpNode::substituteDiff(const lag_equivalence_table_t &nodes, subst_table_t
{
if (i == last_index)
symb_id = datatree.symbol_table.addDiffLagAuxiliaryVar(argsubst->idx, rit->second,
- last_aux_var->symb_id, last_aux_var->lag);
+ last_aux_var->symb_id, last_aux_var->lag - 1);
else
symb_id = datatree.symbol_table.addDiffLagAuxiliaryVar(new_aux_var->idx, rit->second,
- last_aux_var->symb_id, last_aux_var->lag);
+ last_aux_var->symb_id, last_aux_var->lag - 1);
new_aux_var = datatree.AddVariable(symb_id, 0);
neweqs.push_back(datatree.AddEqual(new_aux_var,
--
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