From 29f820234cffb7345c5fc16ec53aa80d028c3801 Mon Sep 17 00:00:00 2001
From: Van Dung Nguyen <vandung.nguyen@ulg.ac.be>
Date: Sat, 1 Dec 2012 00:10:24 +0000
Subject: [PATCH] add norm of solution

---
 Solver/linearSystem.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Solver/linearSystem.h b/Solver/linearSystem.h
index 34fbc57930..40ac6dbacb 100644
--- a/Solver/linearSystem.h
+++ b/Solver/linearSystem.h
@@ -26,6 +26,7 @@ class linearSystemBase {
   void setParameter (std::string key, std::string value);
   virtual void insertInSparsityPattern(int _row, int _col){};
   virtual double normInfRightHandSide() const = 0;
+  virtual double normInfSolution() const {return 0;};
   virtual void createMatrix() {};
 };
 
-- 
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