From ebd4b17d2f5ca29a5c16ebd35d54d7aeda587820 Mon Sep 17 00:00:00 2001
From: Antonio Sanchez <cantonios@google.com>
Date: Thu, 2 Sep 2021 12:23:27 -0700
Subject: [PATCH] Fix tridiagonalization_inplace_selector.

The `Options` of the new `hCoeffs` vector do not necessarily match
those of the `MatrixType`, leading to build errors. Having the
`CoeffVectorType` be a template parameter relieves this restriction.
---
 Eigen/src/Eigenvalues/Tridiagonalization.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Eigen/src/Eigenvalues/Tridiagonalization.h b/Eigen/src/Eigenvalues/Tridiagonalization.h
index 4281dc506..e82cbe310 100644
--- a/Eigen/src/Eigenvalues/Tridiagonalization.h
+++ b/Eigen/src/Eigenvalues/Tridiagonalization.h
@@ -440,9 +440,8 @@ void tridiagonalization_inplace(MatrixType& mat, DiagonalType& diag, SubDiagonal
 template<typename MatrixType, int Size, bool IsComplex>
 struct tridiagonalization_inplace_selector
 {
-  typedef typename Tridiagonalization<MatrixType>::CoeffVectorType CoeffVectorType;
   typedef typename Tridiagonalization<MatrixType>::HouseholderSequenceType HouseholderSequenceType;
-  template<typename DiagonalType, typename SubDiagonalType>
+  template<typename DiagonalType, typename SubDiagonalType, typename CoeffVectorType>
   static EIGEN_DEVICE_FUNC
       void run(MatrixType& mat, DiagonalType& diag, SubDiagonalType& subdiag, CoeffVectorType& hCoeffs, bool extractQ)
   {