diff options
Diffstat (limited to 'Eigen/src/Householder/Householder.h')
-rw-r--r-- | Eigen/src/Householder/Householder.h | 7 |
1 files changed, 5 insertions, 2 deletions
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); } } |