From 0269c5766c3441346ae49515e25fadb37c062a96 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Villemot?= <sebastien.villemot@ens.fr>
Date: Thu, 18 Nov 2010 11:21:20 +0100
Subject: [PATCH] Preprocessor: max lead/lags in the model are no longer
affected by lead/lags on parameters (closes #153)
---
DynamicModel.cc | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/DynamicModel.cc b/DynamicModel.cc
index 1ac138e1..19150e4a 100644
--- a/DynamicModel.cc
+++ b/DynamicModel.cc
@@ -3111,10 +3111,14 @@ DynamicModel::computeDerivIDs()
int lag = it->second;
SymbolType type = symbol_table.getType(it->first);
- // Setting maximum and minimum lags
- if (max_lead < lag)
+ /* Setting maximum and minimum lags.
+
+ We don't want these to be affected by lead/lags on parameters: they
+ are accepted for facilitating variable flipping, but are simply
+ ignored. */
+ if (max_lead < lag && type != eParameter)
max_lead = lag;
- else if (-max_lag > lag)
+ else if (-max_lag > lag && type != eParameter)
max_lag = -lag;
switch (type)
--
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