From 04274f6793641b7570ae5e2a2dbdf315a3de9d9f Mon Sep 17 00:00:00 2001
From: Hauke Heibel <hauke.heibel@gmail.com>
Date: Tue, 8 Jun 2010 00:05:20 +0200
Subject: [PATCH] Fixed eigensolver warning.

---
 test/eigensolver_complex.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/test/eigensolver_complex.cpp b/test/eigensolver_complex.cpp
index dc3b2cfb0..48c43f7f0 100644
--- a/test/eigensolver_complex.cpp
+++ b/test/eigensolver_complex.cpp
@@ -33,12 +33,14 @@
 template<typename VectorType>
 void verify_is_approx_upto_permutation(const VectorType& vec1, const VectorType& vec2)
 {
+  typedef typename NumTraits<VectorType::Scalar>::Real RealScalar;
+
   VERIFY(vec1.cols() == 1);
   VERIFY(vec2.cols() == 1);
   VERIFY(vec1.rows() == vec2.rows());
   for (int k = 1; k <= vec1.rows(); ++k)
   {
-    VERIFY_IS_APPROX(vec1.array().pow(k).sum(), vec2.array().pow(k).sum());
+    VERIFY_IS_APPROX(vec1.array().pow(RealScalar(k)).sum(), vec2.array().pow(RealScalar(k)).sum());
   }
 }