From 50fd1a4c0dcc512c054fc1026c7b0f2075763dce Mon Sep 17 00:00:00 2001
From: Ferhat <ferhat.mihoubi@univ-evry.fr>
Date: Tue, 6 Nov 2012 14:38:51 +0100
Subject: [PATCH] In the two boundaries solver, gives up the symbolic solver if
 a stable computation solution could not be found on the first third of the
 simulation period

---
 mex/sources/bytecode/SparseMatrix.cc | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/mex/sources/bytecode/SparseMatrix.cc b/mex/sources/bytecode/SparseMatrix.cc
index d7c4ab466..f21855776 100644
--- a/mex/sources/bytecode/SparseMatrix.cc
+++ b/mex/sources/bytecode/SparseMatrix.cc
@@ -2910,7 +2910,14 @@ SparseMatrix::Solve_ByteCode_Symbolic_Sparse_GaussianElimination(int Size, bool
         }
       if (symbolic)
         {
-          if (record && (nop == nop1))
+		  if (t > int(periods*0.35))
+            {
+              symbolic = false;
+              mxFree(save_opaa
+              mxFree(save_opa);
+              mxFree(save_op);
+            }
+          else if (record && (nop == nop1))
             {
               if (save_opa && save_opaa)
                 {