heev.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_HEEV_H
#define MYRAMATH_DENSE_HEEV_H

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

#include <utility>

namespace myra {

// Forward declarations.
template<class Number> class Matrix;
template<class Number> class MatrixRange;
template<class Number> class CMatrixRange;
template<class Number> class DiagonalMatrix;

// Note, only the lower triangle of A needs to be defined upon input, the other triangle is assumed.
MYRAMATH_EXPORT DiagonalMatrix<NumberS> heev_inplace(const MatrixRange<NumberC>& A);
MYRAMATH_EXPORT DiagonalMatrix<NumberD> heev_inplace(const MatrixRange<NumberZ>& A);

// Note, only the lower triangle of A needs to be defined upon input, the other triangle is assumed.
MYRAMATH_EXPORT std::pair<Matrix<NumberC>, DiagonalMatrix<NumberS> > heev(const CMatrixRange<NumberC>& A);
MYRAMATH_EXPORT std::pair<Matrix<NumberZ>, DiagonalMatrix<NumberD> > heev(const CMatrixRange<NumberZ>& A);

} // namespace

#endif