From 1ff1bd69acc8f2d50348a57855c8ec35521590bd Mon Sep 17 00:00:00 2001
From: Jitse Niesen <jitse@maths.leeds.ac.uk>
Date: Fri, 4 Jun 2010 09:40:35 +0100
Subject: Schur decomposition of 1-by-1 always converges.

---
 test/schur_real.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'test/schur_real.cpp')

diff --git a/test/schur_real.cpp b/test/schur_real.cpp
index 1e8c4b0ba..2eae52956 100644
--- a/test/schur_real.cpp
+++ b/test/schur_real.cpp
@@ -85,10 +85,13 @@ template<typename MatrixType> void schur(int size = MatrixType::ColsAtCompileTim
   VERIFY_IS_EQUAL(rs1.matrixT(), rsOnlyT.matrixT());
   VERIFY_RAISES_ASSERT(rsOnlyT.matrixU());
 
-  // Test matrix with NaN
-  A(0,0) = std::numeric_limits<typename MatrixType::Scalar>::quiet_NaN();
-  RealSchur<MatrixType> rsNaN(A);
-  VERIFY_IS_EQUAL(rsNaN.info(), NoConvergence);
+  if (size > 1)
+  {
+    // Test matrix with NaN
+    A(0,0) = std::numeric_limits<typename MatrixType::Scalar>::quiet_NaN();
+    RealSchur<MatrixType> rsNaN(A);
+    VERIFY_IS_EQUAL(rsNaN.info(), NoConvergence);
+  }
 }
 
 void test_schur_real()
-- 
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