MatrixFunction.h

Go to the documentation of this file.

//
//
/*
    Copyright (C) 2004- 2007, Hammersmith Imanet Ltd
    This file is part of STIR.

    SPDX-License-Identifier: Apache-2.0

    See STIR/LICENSE.txt for details
*/
#ifndef __stir_numerics_MatrixFunction_H__
#define __stir_numerics_MatrixFunction_H__

#include "stir/Array.h"
#include "stir/BasicCoordinate.h"

START_NAMESPACE_STIR

//----------------------------------------------------------------------


template <class elemT>
inline elemT inner_product(const Array<1, elemT>& v1, const Array<1, elemT>& v2);


template <class elemT>
inline double angle(const Array<1, elemT>& v1, const Array<1, elemT>& v2);


//----------------------------------------------------------------------


template <class elemT>
inline Array<1, elemT> matrix_multiply(const Array<2, elemT>& m, const Array<1, elemT>& vec);


template <int dimension, class elemT>
inline BasicCoordinate<dimension, elemT> matrix_multiply(const Array<2, elemT>& m, const BasicCoordinate<dimension, elemT>& vec);


template <class elemT>
inline Array<2, elemT> matrix_multiply(const Array<2, elemT>& m1, const Array<2, elemT>& m2);

template <class elemT>
inline Array<2, elemT> matrix_transpose(const Array<2, elemT>& m);


template <class elemT>
inline Array<2, elemT> diagonal_matrix(const unsigned dimension, const elemT value);


template <int dimension, class elemT>
inline Array<2, elemT> diagonal_matrix(const BasicCoordinate<dimension, elemT>& values);


END_NAMESPACE_STIR

#include "stir/numerics/MatrixFunction.inl"

#endif