From b9d2900e8f57336cda99defa51e58675835b5b4d Mon Sep 17 00:00:00 2001
From: Erik Schultheis <erik.schultheis@aalto.fi>
Date: Thu, 24 Mar 2022 12:07:18 +0200
Subject: [PATCH] added a missing typename and fixed a unused typedef warning

---
 Eigen/src/QR/HouseholderQR.h | 1 -
 unsupported/test/NNLS.cpp    | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/Eigen/src/QR/HouseholderQR.h b/Eigen/src/QR/HouseholderQR.h
index b6594983f..5e67463c7 100644
--- a/Eigen/src/QR/HouseholderQR.h
+++ b/Eigen/src/QR/HouseholderQR.h
@@ -309,7 +309,6 @@ template <typename MatrixQR, typename HCoeffs, typename VectorQR>
 void householder_qr_inplace_update(MatrixQR& mat, HCoeffs& hCoeffs, const VectorQR& newColumn,
                                    typename MatrixQR::Index k, typename MatrixQR::Scalar* tempData) {
   typedef typename MatrixQR::Index Index;
-  typedef typename MatrixQR::Scalar Scalar;
   typedef typename MatrixQR::RealScalar RealScalar;
   Index rows = mat.rows();
 
diff --git a/unsupported/test/NNLS.cpp b/unsupported/test/NNLS.cpp
index 4b8ffa8b2..d65920bfc 100644
--- a/unsupported/test/NNLS.cpp
+++ b/unsupported/test/NNLS.cpp
@@ -90,7 +90,7 @@ static void test_nnls_random_problem() {
       sqrt(Eigen::GenericNumTraits<Scalar>::epsilon()) * b.cwiseAbs().maxCoeff() * A.cwiseAbs().maxCoeff();
   Index max_iter = 5 * A.cols();  // A heuristic guess.
   NNLS<MatrixType> nnls(A, max_iter, tolerance);
-  const NNLS<MatrixType>::SolutionVectorType &x = nnls.solve(b);
+  const typename NNLS<MatrixType>::SolutionVectorType &x = nnls.solve(b);
 
   //
   // VERIFY