orgqr.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_ORGQR_H
#define MYRAMATH_DENSE_ORGQR_H

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

#include <vector>

namespace myra {

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

// Overwrites A, returns the subrange which holds Q (the K leftmost columns of A, where K := min(A.I,A.J)
MYRAMATH_EXPORT MatrixRange<NumberS> orgqr_inplace(const MatrixRange<NumberS>& A, const CVectorRange<NumberS>& tau);
MYRAMATH_EXPORT MatrixRange<NumberD> orgqr_inplace(const MatrixRange<NumberD>& A, const CVectorRange<NumberD>& tau);
MYRAMATH_EXPORT MatrixRange<NumberC> orgqr_inplace(const MatrixRange<NumberC>& A, const CVectorRange<NumberC>& tau);
MYRAMATH_EXPORT MatrixRange<NumberZ> orgqr_inplace(const MatrixRange<NumberZ>& A, const CVectorRange<NumberZ>& tau);

} // namespace

#endif