Mercurial > hg > segmenter-vamp-plugin
view armadillo-3.900.4/include/armadillo_bits/subview_each_meat.hpp @ 84:55a047986812 tip
Update library URI so as not to be document-local
author | Chris Cannam |
---|---|
date | Wed, 22 Apr 2020 14:21:57 +0100 |
parents | 1ec0e2823891 |
children |
line wrap: on
line source
// Copyright (C) 2012 Conrad Sanderson // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this // file, You can obtain one at http://mozilla.org/MPL/2.0/. //! \addtogroup subview_each //! @{ // // // subview_each_common template<typename parent, unsigned int mode> inline subview_each_common<parent,mode>::subview_each_common(parent& in_p) : p(in_p) { arma_extra_debug_sigprint(); } template<typename parent, unsigned int mode> arma_inline const Mat<typename parent::elem_type>& subview_each_common<parent,mode>::get_mat_ref_helper(const Mat<typename parent::elem_type>& X) const { return X; } template<typename parent, unsigned int mode> arma_inline const Mat<typename parent::elem_type>& subview_each_common<parent,mode>::get_mat_ref_helper(const subview<typename parent::elem_type>& X) const { return X.m; } template<typename parent, unsigned int mode> arma_inline const Mat<typename parent::elem_type>& subview_each_common<parent,mode>::get_mat_ref() const { return get_mat_ref_helper(p); } template<typename parent, unsigned int mode> inline void subview_each_common<parent,mode>::check_size(const Mat<typename parent::elem_type>& A) const { if(arma_config::debug == true) { if(mode == 0) { if( (A.n_rows != p.n_rows) || (A.n_cols != 1) ) { arma_stop( incompat_size_string(A) ); } } else { if( (A.n_rows != 1) || (A.n_cols != p.n_cols) ) { arma_stop( incompat_size_string(A) ); } } } } template<typename parent, unsigned int mode> arma_cold inline const std::string subview_each_common<parent,mode>::incompat_size_string(const Mat<typename parent::elem_type>& A) const { std::stringstream tmp; if(mode == 0) { tmp << "each_col(): incompatible size; expected " << p.n_rows << "x1" << ", got " << A.n_rows << 'x' << A.n_cols; } else { tmp << "each_row(): incompatible size; expected 1x" << p.n_cols << ", got " << A.n_rows << 'x' << A.n_cols; } return tmp.str(); } // // // subview_each1 template<typename parent, unsigned int mode> inline subview_each1<parent,mode>::~subview_each1() { arma_extra_debug_sigprint(); } template<typename parent, unsigned int mode> inline subview_each1<parent,mode>::subview_each1(parent& in_p) : subview_each_common<parent,mode>::subview_each_common(in_p) { arma_extra_debug_sigprint(); } template<typename parent, unsigned int mode> template<typename T1> inline void subview_each1<parent,mode>::operator= (const Base<eT,T1>& in) { arma_extra_debug_sigprint(); parent& p = subview_each_common<parent,mode>::p; const unwrap_check<T1> tmp( in.get_ref(), (*this).get_mat_ref() ); const Mat<eT>& A = tmp.M; subview_each_common<parent,mode>::check_size(A); const eT* A_mem = A.memptr(); const uword p_n_rows = p.n_rows; const uword p_n_cols = p.n_cols; if(mode == 0) // each column { for(uword i=0; i < p_n_cols; ++i) { arrayops::copy( p.colptr(i), A_mem, p_n_rows ); } } else // each row { for(uword i=0; i < p_n_cols; ++i) { arrayops::inplace_set( p.colptr(i), A_mem[i], p_n_rows); } } } template<typename parent, unsigned int mode> template<typename T1> inline void subview_each1<parent,mode>::operator+= (const Base<eT,T1>& in) { arma_extra_debug_sigprint(); parent& p = subview_each_common<parent,mode>::p; const unwrap_check<T1> tmp( in.get_ref(), (*this).get_mat_ref() ); const Mat<eT>& A = tmp.M; subview_each_common<parent,mode>::check_size(A); const eT* A_mem = A.memptr(); const uword p_n_rows = p.n_rows; const uword p_n_cols = p.n_cols; if(mode == 0) // each column { for(uword i=0; i < p_n_cols; ++i) { arrayops::inplace_plus( p.colptr(i), A_mem, p_n_rows ); } } else // each row { for(uword i=0; i < p_n_cols; ++i) { arrayops::inplace_plus( p.colptr(i), A_mem[i], p_n_rows); } } } template<typename parent, unsigned int mode> template<typename T1> inline void subview_each1<parent,mode>::operator-= (const Base<eT,T1>& in) { arma_extra_debug_sigprint(); parent& p = subview_each_common<parent,mode>::p; const unwrap_check<T1> tmp( in.get_ref(), (*this).get_mat_ref() ); const Mat<eT>& A = tmp.M; subview_each_common<parent,mode>::check_size(A); const eT* A_mem = A.memptr(); const uword p_n_rows = p.n_rows; const uword p_n_cols = p.n_cols; if(mode == 0) // each column { for(uword i=0; i < p_n_cols; ++i) { arrayops::inplace_minus( p.colptr(i), A_mem, p_n_rows ); } } else // each row { for(uword i=0; i < p_n_cols; ++i) { arrayops::inplace_minus( p.colptr(i), A_mem[i], p_n_rows); } } } template<typename parent, unsigned int mode> template<typename T1> inline void subview_each1<parent,mode>::operator%= (const Base<eT,T1>& in) { arma_extra_debug_sigprint(); parent& p = subview_each_common<parent,mode>::p; const unwrap_check<T1> tmp( in.get_ref(), (*this).get_mat_ref() ); const Mat<eT>& A = tmp.M; subview_each_common<parent,mode>::check_size(A); const eT* A_mem = A.memptr(); const uword p_n_rows = p.n_rows; const uword p_n_cols = p.n_cols; if(mode == 0) // each column { for(uword i=0; i < p_n_cols; ++i) { arrayops::inplace_mul( p.colptr(i), A_mem, p_n_rows ); } } else // each row { for(uword i=0; i < p_n_cols; ++i) { arrayops::inplace_mul( p.colptr(i), A_mem[i], p_n_rows); } } } template<typename parent, unsigned int mode> template<typename T1> inline void subview_each1<parent,mode>::operator/= (const Base<eT,T1>& in) { arma_extra_debug_sigprint(); parent& p = subview_each_common<parent,mode>::p; const unwrap_check<T1> tmp( in.get_ref(), (*this).get_mat_ref() ); const Mat<eT>& A = tmp.M; subview_each_common<parent,mode>::check_size(A); const eT* A_mem = A.memptr(); const uword p_n_rows = p.n_rows; const uword p_n_cols = p.n_cols; if(mode == 0) // each column { for(uword i=0; i < p_n_cols; ++i) { arrayops::inplace_div( p.colptr(i), A_mem, p_n_rows ); } } else // each row { for(uword i=0; i < p_n_cols; ++i) { arrayops::inplace_div( p.colptr(i), A_mem[i], p_n_rows); } } } // // // subview_each2 template<typename parent, unsigned int mode, typename TB> inline subview_each2<parent,mode,TB>::~subview_each2() { arma_extra_debug_sigprint(); } template<typename parent, unsigned int mode, typename TB> inline subview_each2<parent,mode,TB>::subview_each2(parent& in_p, const Base<uword, TB>& in_indices) : subview_each_common<parent,mode>::subview_each_common(in_p) , base_indices(in_indices) { arma_extra_debug_sigprint(); } template<typename parent, unsigned int mode, typename TB> inline void subview_each2<parent,mode,TB>::check_indices(const Mat<uword>& indices) const { if(mode == 0) { arma_debug_check( ((indices.is_vec() == false) && (indices.is_empty() == false)), "each_col(): list of indices must be a vector" ); } else { arma_debug_check( ((indices.is_vec() == false) && (indices.is_empty() == false)), "each_row(): list of indices must be a vector" ); } } template<typename parent, unsigned int mode, typename TB> template<typename T1> inline void subview_each2<parent,mode,TB>::operator= (const Base<eT,T1>& in) { arma_extra_debug_sigprint(); parent& p = subview_each_common<parent,mode>::p; const unwrap_check<T1> tmp( in.get_ref(), (*this).get_mat_ref() ); const Mat<eT>& A = tmp.M; subview_each_common<parent,mode>::check_size(A); const unwrap_check_mixed<TB> tmp_indices( base_indices.get_ref(), (*this).get_mat_ref() ); const Mat<uword>& indices = tmp_indices.M; check_indices(indices); const eT* A_mem = A.memptr(); const uword p_n_rows = p.n_rows; const uword p_n_cols = p.n_cols; const uword* indices_mem = indices.memptr(); const uword N = indices.n_elem; if(mode == 0) // each column { for(uword i=0; i < N; ++i) { const uword col = indices_mem[i]; arma_debug_check( (col > p_n_cols), "each_col(): index out of bounds" ); arrayops::copy( p.colptr(col), A_mem, p_n_rows ); } } else // each row { for(uword i=0; i < N; ++i) { const uword row = indices_mem[i]; arma_debug_check( (row > p_n_rows), "each_row(): index out of bounds" ); for(uword col=0; col < p_n_cols; ++col) { p.at(row,col) = A_mem[col]; } } } } template<typename parent, unsigned int mode, typename TB> template<typename T1> inline void subview_each2<parent,mode,TB>::operator+= (const Base<eT,T1>& in) { arma_extra_debug_sigprint(); parent& p = subview_each_common<parent,mode>::p; const unwrap_check<T1> tmp( in.get_ref(), (*this).get_mat_ref() ); const Mat<eT>& A = tmp.M; subview_each_common<parent,mode>::check_size(A); const unwrap_check_mixed<TB> tmp_indices( base_indices.get_ref(), (*this).get_mat_ref() ); const Mat<uword>& indices = tmp_indices.M; check_indices(indices); const eT* A_mem = A.memptr(); const uword p_n_rows = p.n_rows; const uword p_n_cols = p.n_cols; const uword* indices_mem = indices.memptr(); const uword N = indices.n_elem; if(mode == 0) // each column { for(uword i=0; i < N; ++i) { const uword col = indices_mem[i]; arma_debug_check( (col > p_n_cols), "each_col(): index out of bounds" ); arrayops::inplace_plus( p.colptr(col), A_mem, p_n_rows ); } } else // each row { for(uword i=0; i < N; ++i) { const uword row = indices_mem[i]; arma_debug_check( (row > p_n_rows), "each_row(): index out of bounds" ); for(uword col=0; col < p_n_cols; ++col) { p.at(row,col) += A_mem[col]; } } } } template<typename parent, unsigned int mode, typename TB> template<typename T1> inline void subview_each2<parent,mode,TB>::operator-= (const Base<eT,T1>& in) { arma_extra_debug_sigprint(); parent& p = subview_each_common<parent,mode>::p; const unwrap_check<T1> tmp( in.get_ref(), (*this).get_mat_ref() ); const Mat<eT>& A = tmp.M; subview_each_common<parent,mode>::check_size(A); const unwrap_check_mixed<TB> tmp_indices( base_indices.get_ref(), (*this).get_mat_ref() ); const Mat<uword>& indices = tmp_indices.M; check_indices(indices); const eT* A_mem = A.memptr(); const uword p_n_rows = p.n_rows; const uword p_n_cols = p.n_cols; const uword* indices_mem = indices.memptr(); const uword N = indices.n_elem; if(mode == 0) // each column { for(uword i=0; i < N; ++i) { const uword col = indices_mem[i]; arma_debug_check( (col > p_n_cols), "each_col(): index out of bounds" ); arrayops::inplace_minus( p.colptr(col), A_mem, p_n_rows ); } } else // each row { for(uword i=0; i < N; ++i) { const uword row = indices_mem[i]; arma_debug_check( (row > p_n_rows), "each_row(): index out of bounds" ); for(uword col=0; col < p_n_cols; ++col) { p.at(row,col) -= A_mem[col]; } } } } template<typename parent, unsigned int mode, typename TB> template<typename T1> inline void subview_each2<parent,mode,TB>::operator%= (const Base<eT,T1>& in) { arma_extra_debug_sigprint(); parent& p = subview_each_common<parent,mode>::p; const unwrap_check<T1> tmp( in.get_ref(), (*this).get_mat_ref() ); const Mat<eT>& A = tmp.M; subview_each_common<parent,mode>::check_size(A); const unwrap_check_mixed<TB> tmp_indices( base_indices.get_ref(), (*this).get_mat_ref() ); const Mat<uword>& indices = tmp_indices.M; check_indices(indices); const eT* A_mem = A.memptr(); const uword p_n_rows = p.n_rows; const uword p_n_cols = p.n_cols; const uword* indices_mem = indices.memptr(); const uword N = indices.n_elem; if(mode == 0) // each column { for(uword i=0; i < N; ++i) { const uword col = indices_mem[i]; arma_debug_check( (col > p_n_cols), "each_col(): index out of bounds" ); arrayops::inplace_mul( p.colptr(col), A_mem, p_n_rows ); } } else // each row { for(uword i=0; i < N; ++i) { const uword row = indices_mem[i]; arma_debug_check( (row > p_n_rows), "each_row(): index out of bounds" ); for(uword col=0; col < p_n_cols; ++col) { p.at(row,col) *= A_mem[col]; } } } } template<typename parent, unsigned int mode, typename TB> template<typename T1> inline void subview_each2<parent,mode,TB>::operator/= (const Base<eT,T1>& in) { arma_extra_debug_sigprint(); parent& p = subview_each_common<parent,mode>::p; const unwrap_check<T1> tmp( in.get_ref(), (*this).get_mat_ref() ); const Mat<eT>& A = tmp.M; subview_each_common<parent,mode>::check_size(A); const unwrap_check_mixed<TB> tmp_indices( base_indices.get_ref(), (*this).get_mat_ref() ); const Mat<uword>& indices = tmp_indices.M; check_indices(indices); const eT* A_mem = A.memptr(); const uword p_n_rows = p.n_rows; const uword p_n_cols = p.n_cols; const uword* indices_mem = indices.memptr(); const uword N = indices.n_elem; if(mode == 0) // each column { for(uword i=0; i < N; ++i) { const uword col = indices_mem[i]; arma_debug_check( (col > p_n_cols), "each_col(): index out of bounds" ); arrayops::inplace_div( p.colptr(col), A_mem, p_n_rows ); } } else // each row { for(uword i=0; i < N; ++i) { const uword row = indices_mem[i]; arma_debug_check( (row > p_n_rows), "each_row(): index out of bounds" ); for(uword col=0; col < p_n_cols; ++col) { p.at(row,col) /= A_mem[col]; } } } } //! @}