hetrd.h

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// ========================================================================= //
// This file is part of MyraMath, copyright (c) 2014-2019 by Ryan A Chilton  //
// and distributed by MyraCore, LLC. See LICENSE.txt for license terms.      //
// ========================================================================= //

#ifndef MYRAMATH_DENSE_HETRD_H
#define MYRAMATH_DENSE_HETRD_H

#include <myramath/MYRAMATH_EXPORT.h>
#include <myramath/utility/Number.h>

namespace myra {

// Forward declarations.
template<class Number> class MatrixRange;
template<class Number> class VectorRange;
template<class Number> class Vector;

// Overwrites the diagonal and first super/subdiagonal of A with T. The vector tau, as well as the 'L'ower or
// 'U'pper triangle of A is overwritten with Householder reflectors. The other triangle of A remains untouched.
MYRAMATH_EXPORT Vector<NumberC> hetrd_inplace(char uplo, const MatrixRange<NumberC>& A);
MYRAMATH_EXPORT Vector<NumberZ> hetrd_inplace(char uplo, const MatrixRange<NumberZ>& A);

} // namespace

#endif