Chris@49: // Copyright (C) 2008-2013 NICTA (www.nicta.com.au)
Chris@49: // Copyright (C) 2008-2013 Conrad Sanderson
Chris@49: // 
Chris@49: // This Source Code Form is subject to the terms of the Mozilla Public
Chris@49: // License, v. 2.0. If a copy of the MPL was not distributed with this
Chris@49: // file, You can obtain one at http://mozilla.org/MPL/2.0/.
Chris@49: 
Chris@49: 
Chris@49: //! \addtogroup op_dot
Chris@49: //! @{
Chris@49: 
Chris@49: //! \brief
Chris@49: //! dot product operation 
Chris@49: 
Chris@49: class op_dot
Chris@49:   {
Chris@49:   public:
Chris@49:   
Chris@49:   template<typename eT>
Chris@49:   arma_hot arma_pure arma_inline static
Chris@49:   typename arma_not_cx<eT>::result
Chris@49:   direct_dot_arma(const uword n_elem, const eT* const A, const eT* const B);
Chris@49:   
Chris@49:   template<typename eT>
Chris@49:   arma_hot arma_pure inline static
Chris@49:   typename arma_cx_only<eT>::result
Chris@49:   direct_dot_arma(const uword n_elem, const eT* const A, const eT* const B);
Chris@49:   
Chris@49:   template<typename eT>
Chris@49:   arma_hot arma_pure inline static typename arma_real_only<eT>::result
Chris@49:   direct_dot(const uword n_elem, const eT* const A, const eT* const B);
Chris@49:   
Chris@49:   template<typename eT>
Chris@49:   arma_hot arma_pure inline static typename arma_cx_only<eT>::result
Chris@49:   direct_dot(const uword n_elem, const eT* const A, const eT* const B);
Chris@49:   
Chris@49:   template<typename eT>
Chris@49:   arma_hot arma_pure inline static typename arma_integral_only<eT>::result
Chris@49:   direct_dot(const uword n_elem, const eT* const A, const eT* const B);
Chris@49:   
Chris@49:   
Chris@49:   template<typename eT>
Chris@49:   arma_hot arma_pure inline static eT direct_dot(const uword n_elem, const eT* const A, const eT* const B, const eT* C);
Chris@49:   
Chris@49:   template<typename T1, typename T2>
Chris@49:   arma_hot inline static typename T1::elem_type apply(const T1& X, const T2& Y);
Chris@49:   
Chris@49:   template<typename T1, typename T2>
Chris@49:   arma_hot inline static typename  arma_not_cx<typename T1::elem_type>::result apply_proxy(const Proxy<T1>& PA, const Proxy<T2>& PB);
Chris@49:   
Chris@49:   template<typename T1, typename T2>
Chris@49:   arma_hot inline static typename arma_cx_only<typename T1::elem_type>::result apply_proxy(const Proxy<T1>& PA, const Proxy<T2>& PB);
Chris@49:   
Chris@49:   template<typename eT, typename TA>
Chris@49:   arma_hot inline static eT dot_and_copy_row(eT* out, const TA& A, const uword row, const eT* B_mem, const uword N);
Chris@49:   };
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: //! \brief
Chris@49: //! normalised dot product operation 
Chris@49: 
Chris@49: class op_norm_dot
Chris@49:   {
Chris@49:   public:
Chris@49:   
Chris@49:   template<typename T1, typename T2>
Chris@49:   arma_hot inline static typename T1::elem_type apply       (const T1& X, const T2& Y);
Chris@49:   
Chris@49:   template<typename T1, typename T2>
Chris@49:   arma_hot inline static typename T1::elem_type apply_unwrap(const T1& X, const T2& Y);
Chris@49:   };
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: //! \brief
Chris@49: //! complex conjugate dot product operation
Chris@49: 
Chris@49: class op_cdot
Chris@49:   {
Chris@49:   public:
Chris@49:   
Chris@49:   template<typename eT>
Chris@49:   arma_hot inline static eT direct_cdot_arma(const uword n_elem, const eT* const A, const eT* const B);
Chris@49:   
Chris@49:   template<typename eT>
Chris@49:   arma_hot inline static eT direct_cdot(const uword n_elem, const eT* const A, const eT* const B);
Chris@49:   
Chris@49:   template<typename T1, typename T2>
Chris@49:   arma_hot inline static typename T1::elem_type apply       (const T1& X, const T2& Y);
Chris@49:   
Chris@49:   template<typename T1, typename T2>
Chris@49:   arma_hot inline static typename T1::elem_type apply_unwrap(const T1& X, const T2& Y);
Chris@49:   
Chris@49:   template<typename T1, typename T2>
Chris@49:   arma_hot inline static typename T1::elem_type apply_proxy (const T1& X, const T2& Y);
Chris@49:   };
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: //! @}