From 661ef6c127fb608bd91078d23032613194d3d512 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Fri, 19 Nov 2010 15:38:37 +0100
Subject: [PATCH] add regression unit test

---
 test/geo_transformations.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/geo_transformations.cpp b/test/geo_transformations.cpp
index ac0c7ecbf..43a4aeedd 100644
--- a/test/geo_transformations.cpp
+++ b/test/geo_transformations.cpp
@@ -308,6 +308,14 @@ template<typename Scalar, int Mode> void transformations(void)
   t0.prescale(s0);
   t1 = Scaling(s0) * t1;
   VERIFY_IS_APPROX(t0.matrix(), t1.matrix());
+  
+  t0 = t3;
+  t0.scale(s0);
+  t1 = t3 * Scaling(s0,s0,s0);
+  VERIFY_IS_APPROX(t0.matrix(), t1.matrix());
+  t0.prescale(s0);
+  t1 = Scaling(s0,s0,s0) * t1;
+  VERIFY_IS_APPROX(t0.matrix(), t1.matrix());
 
 
   t0.setIdentity();