From a76fbbf39777827200455477a9e3557b6063913f Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Tue, 6 Nov 2012 15:25:50 +0100
Subject: Fix bug #314: - remove most of the metaprogramming kung fu in
 MathFunctions.h (only keep functions that differs from the std) - remove the
 overloads for array expression that were in the std namespace

---
 Eigen/src/Householder/Householder.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'Eigen/src/Householder')

diff --git a/Eigen/src/Householder/Householder.h b/Eigen/src/Householder/Householder.h
index 3f64b7dde..b7cfa9b2b 100644
--- a/Eigen/src/Householder/Householder.h
+++ b/Eigen/src/Householder/Householder.h
@@ -67,6 +67,9 @@ void MatrixBase<Derived>::makeHouseholder(
   Scalar& tau,
   RealScalar& beta) const
 {
+  using std::sqrt;
+  using internal::conj;
+  
   EIGEN_STATIC_ASSERT_VECTOR_ONLY(EssentialPart)
   VectorBlock<const Derived, EssentialPart::SizeAtCompileTime> tail(derived(), 1, size()-1);
   
@@ -81,11 +84,11 @@ void MatrixBase<Derived>::makeHouseholder(
   }
   else
   {
-    beta = internal::sqrt(internal::abs2(c0) + tailSqNorm);
+    beta = sqrt(internal::abs2(c0) + tailSqNorm);
     if (internal::real(c0)>=RealScalar(0))
       beta = -beta;
     essential = tail / (c0 - beta);
-    tau = internal::conj((beta - c0) / beta);
+    tau = conj((beta - c0) / beta);
   }
 }
 
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