From 460536006b0cb9866f53a080130c722cad544ae4 Mon Sep 17 00:00:00 2001
From: Van Dung Nguyen <vandung.nguyen@ulg.ac.be>
Date: Mon, 13 Feb 2012 00:35:14 +0000
Subject: [PATCH] highorder homogenization

---
 Solver/STensor33.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Solver/STensor33.h b/Solver/STensor33.h
index 7795c866b6..f14ee8ac90 100644
--- a/Solver/STensor33.h
+++ b/Solver/STensor33.h
@@ -49,6 +49,11 @@ class STensor33 {
     for (int i = 0; i < 27; i++) _val[i] += other._val[i];
     return *this;
   }
+  STensor33& operator -= (const STensor33 &other)
+  {
+    for (int i = 0; i < 27; i++) _val[i] -= other._val[i];
+    return *this;
+  }
   STensor33& operator *= (const double &other)
   {
     for (int i = 0; i < 27; i++) _val[i] *= other;
-- 
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