904 lines
19 KiB
C++
904 lines
19 KiB
C++
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// Copyright (C) 2015 National ICT Australia (NICTA)
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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// -------------------------------------------------------------------
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//
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// Written by Conrad Sanderson - http://conradsanderson.id.au
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//! \addtogroup spdiagview
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//! @{
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template<typename eT>
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inline
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spdiagview<eT>::~spdiagview()
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{
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arma_extra_debug_sigprint();
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}
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template<typename eT>
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arma_inline
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spdiagview<eT>::spdiagview(const SpMat<eT>& in_m, const uword in_row_offset, const uword in_col_offset, const uword in_len)
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: m(in_m)
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, row_offset(in_row_offset)
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, col_offset(in_col_offset)
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, n_rows(in_len)
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, n_elem(in_len)
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{
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arma_extra_debug_sigprint();
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}
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//! set a diagonal of our matrix using a diagonal from a foreign matrix
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template<typename eT>
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inline
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void
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spdiagview<eT>::operator= (const spdiagview<eT>& x)
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{
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arma_extra_debug_sigprint();
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spdiagview<eT>& d = *this;
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arma_debug_check( (d.n_elem != x.n_elem), "spdiagview: diagonals have incompatible lengths");
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SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
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const SpMat<eT>& x_m = x.m;
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if(&d_m != &x_m)
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{
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const uword d_n_elem = d.n_elem;
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const uword d_row_offset = d.row_offset;
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const uword d_col_offset = d.col_offset;
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const uword x_row_offset = x.row_offset;
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const uword x_col_offset = x.col_offset;
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for(uword i=0; i < d_n_elem; ++i)
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{
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d_m.at(i + d_row_offset, i + d_col_offset) = x_m.at(i + x_row_offset, i + x_col_offset);
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}
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}
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else
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{
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const Mat<eT> tmp = x;
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(*this).operator=(tmp);
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}
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}
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template<typename eT>
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inline
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void
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spdiagview<eT>::operator+=(const eT val)
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{
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arma_extra_debug_sigprint();
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SpMat<eT>& t_m = const_cast< SpMat<eT>& >(m);
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const uword t_n_elem = n_elem;
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const uword t_row_offset = row_offset;
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const uword t_col_offset = col_offset;
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for(uword i=0; i < t_n_elem; ++i)
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{
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t_m.at(i + t_row_offset, i + t_col_offset) += val;
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}
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}
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template<typename eT>
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inline
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void
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spdiagview<eT>::operator-=(const eT val)
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{
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arma_extra_debug_sigprint();
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SpMat<eT>& t_m = const_cast< SpMat<eT>& >(m);
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const uword t_n_elem = n_elem;
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const uword t_row_offset = row_offset;
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const uword t_col_offset = col_offset;
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for(uword i=0; i < t_n_elem; ++i)
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{
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t_m.at(i + t_row_offset, i + t_col_offset) -= val;
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}
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}
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template<typename eT>
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inline
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void
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spdiagview<eT>::operator*=(const eT val)
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{
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arma_extra_debug_sigprint();
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SpMat<eT>& t_m = const_cast< SpMat<eT>& >(m);
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const uword t_n_elem = n_elem;
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const uword t_row_offset = row_offset;
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const uword t_col_offset = col_offset;
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for(uword i=0; i < t_n_elem; ++i)
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{
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t_m.at(i + t_row_offset, i + t_col_offset) *= val;
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}
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}
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template<typename eT>
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inline
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void
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spdiagview<eT>::operator/=(const eT val)
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{
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arma_extra_debug_sigprint();
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SpMat<eT>& t_m = const_cast< SpMat<eT>& >(m);
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const uword t_n_elem = n_elem;
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const uword t_row_offset = row_offset;
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const uword t_col_offset = col_offset;
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for(uword i=0; i < t_n_elem; ++i)
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{
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t_m.at(i + t_row_offset, i + t_col_offset) /= val;
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}
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}
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//! set a diagonal of our matrix using data from a foreign object
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template<typename eT>
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template<typename T1>
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inline
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void
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spdiagview<eT>::operator= (const Base<eT,T1>& o)
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{
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arma_extra_debug_sigprint();
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spdiagview<eT>& d = *this;
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SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
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const uword d_n_elem = d.n_elem;
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const uword d_row_offset = d.row_offset;
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const uword d_col_offset = d.col_offset;
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const Proxy<T1> P( o.get_ref() );
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arma_debug_check
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(
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( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
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"spdiagview: given object has incompatible size"
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);
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if( (is_Mat<typename Proxy<T1>::stored_type>::value) || (Proxy<T1>::prefer_at_accessor) )
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{
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const unwrap<typename Proxy<T1>::stored_type> tmp(P.Q);
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const Mat<eT>& x = tmp.M;
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const eT* x_mem = x.memptr();
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for(uword i=0; i < d_n_elem; ++i)
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{
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d_m.at(i + d_row_offset, i + d_col_offset) = x_mem[i];
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}
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}
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else
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{
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typename Proxy<T1>::ea_type Pea = P.get_ea();
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for(uword i=0; i < d_n_elem; ++i)
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{
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d_m.at(i + d_row_offset, i + d_col_offset) = Pea[i];
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}
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}
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}
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template<typename eT>
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template<typename T1>
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inline
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void
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spdiagview<eT>::operator+=(const Base<eT,T1>& o)
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{
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arma_extra_debug_sigprint();
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spdiagview<eT>& d = *this;
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SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
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const uword d_n_elem = d.n_elem;
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const uword d_row_offset = d.row_offset;
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const uword d_col_offset = d.col_offset;
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const Proxy<T1> P( o.get_ref() );
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arma_debug_check
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(
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( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
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"spdiagview: given object has incompatible size"
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);
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if( (is_Mat<typename Proxy<T1>::stored_type>::value) || (Proxy<T1>::prefer_at_accessor) )
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{
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const unwrap<typename Proxy<T1>::stored_type> tmp(P.Q);
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const Mat<eT>& x = tmp.M;
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const eT* x_mem = x.memptr();
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for(uword i=0; i < d_n_elem; ++i)
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{
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d_m.at(i + d_row_offset, i + d_col_offset) += x_mem[i];
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}
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}
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else
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{
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typename Proxy<T1>::ea_type Pea = P.get_ea();
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for(uword i=0; i < d_n_elem; ++i)
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{
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d_m.at(i + d_row_offset, i + d_col_offset) += Pea[i];
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}
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}
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}
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template<typename eT>
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template<typename T1>
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inline
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void
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spdiagview<eT>::operator-=(const Base<eT,T1>& o)
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{
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arma_extra_debug_sigprint();
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spdiagview<eT>& d = *this;
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SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
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const uword d_n_elem = d.n_elem;
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const uword d_row_offset = d.row_offset;
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const uword d_col_offset = d.col_offset;
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const Proxy<T1> P( o.get_ref() );
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arma_debug_check
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(
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( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
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"spdiagview: given object has incompatible size"
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);
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if( (is_Mat<typename Proxy<T1>::stored_type>::value) || (Proxy<T1>::prefer_at_accessor) )
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{
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const unwrap<typename Proxy<T1>::stored_type> tmp(P.Q);
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const Mat<eT>& x = tmp.M;
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const eT* x_mem = x.memptr();
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for(uword i=0; i < d_n_elem; ++i)
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{
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d_m.at(i + d_row_offset, i + d_col_offset) -= x_mem[i];
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}
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}
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else
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{
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typename Proxy<T1>::ea_type Pea = P.get_ea();
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for(uword i=0; i < d_n_elem; ++i)
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{
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d_m.at(i + d_row_offset, i + d_col_offset) -= Pea[i];
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}
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}
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}
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template<typename eT>
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template<typename T1>
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inline
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void
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spdiagview<eT>::operator%=(const Base<eT,T1>& o)
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{
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arma_extra_debug_sigprint();
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spdiagview<eT>& d = *this;
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SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
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const uword d_n_elem = d.n_elem;
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const uword d_row_offset = d.row_offset;
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const uword d_col_offset = d.col_offset;
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const Proxy<T1> P( o.get_ref() );
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arma_debug_check
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(
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( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
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"spdiagview: given object has incompatible size"
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);
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if( (is_Mat<typename Proxy<T1>::stored_type>::value) || (Proxy<T1>::prefer_at_accessor) )
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{
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const unwrap<typename Proxy<T1>::stored_type> tmp(P.Q);
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const Mat<eT>& x = tmp.M;
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const eT* x_mem = x.memptr();
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for(uword i=0; i < d_n_elem; ++i)
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{
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d_m.at(i + d_row_offset, i + d_col_offset) *= x_mem[i];
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}
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}
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else
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{
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typename Proxy<T1>::ea_type Pea = P.get_ea();
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for(uword i=0; i < d_n_elem; ++i)
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{
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d_m.at(i + d_row_offset, i + d_col_offset) *= Pea[i];
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}
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}
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}
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template<typename eT>
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template<typename T1>
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inline
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void
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spdiagview<eT>::operator/=(const Base<eT,T1>& o)
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{
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arma_extra_debug_sigprint();
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spdiagview<eT>& d = *this;
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SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
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const uword d_n_elem = d.n_elem;
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const uword d_row_offset = d.row_offset;
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const uword d_col_offset = d.col_offset;
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const Proxy<T1> P( o.get_ref() );
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arma_debug_check
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(
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( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
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"spdiagview: given object has incompatible size"
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);
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if( (is_Mat<typename Proxy<T1>::stored_type>::value) || (Proxy<T1>::prefer_at_accessor) )
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{
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const unwrap<typename Proxy<T1>::stored_type> tmp(P.Q);
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const Mat<eT>& x = tmp.M;
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const eT* x_mem = x.memptr();
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for(uword i=0; i < d_n_elem; ++i)
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{
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d_m.at(i + d_row_offset, i + d_col_offset) /= x_mem[i];
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}
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}
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else
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{
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typename Proxy<T1>::ea_type Pea = P.get_ea();
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for(uword i=0; i < d_n_elem; ++i)
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{
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d_m.at(i + d_row_offset, i + d_col_offset) /= Pea[i];
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}
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}
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}
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//! set a diagonal of our matrix using data from a foreign object
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template<typename eT>
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template<typename T1>
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inline
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void
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spdiagview<eT>::operator= (const SpBase<eT,T1>& o)
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{
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arma_extra_debug_sigprint();
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spdiagview<eT>& d = *this;
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|
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SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
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const uword d_n_elem = d.n_elem;
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const uword d_row_offset = d.row_offset;
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const uword d_col_offset = d.col_offset;
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const SpProxy<T1> P( o.get_ref() );
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arma_debug_check
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(
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( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
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"spdiagview: given object has incompatible size"
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);
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if( SpProxy<T1>::must_use_iterator || P.is_alias(d_m) )
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{
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const SpMat<eT> tmp(P.Q);
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if(tmp.n_cols == 1)
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{
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for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) = tmp.at(i,0); }
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}
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else
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||
|
if(tmp.n_rows == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) = tmp.at(0,i); }
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(P.get_n_cols() == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) = P.at(i,0); }
|
||
|
}
|
||
|
else
|
||
|
if(P.get_n_rows() == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) = P.at(0,i); }
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
template<typename T1>
|
||
|
inline
|
||
|
void
|
||
|
spdiagview<eT>::operator+=(const SpBase<eT,T1>& o)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
spdiagview<eT>& d = *this;
|
||
|
|
||
|
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
|
||
|
|
||
|
const uword d_n_elem = d.n_elem;
|
||
|
const uword d_row_offset = d.row_offset;
|
||
|
const uword d_col_offset = d.col_offset;
|
||
|
|
||
|
const SpProxy<T1> P( o.get_ref() );
|
||
|
|
||
|
arma_debug_check
|
||
|
(
|
||
|
( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
|
||
|
"spdiagview: given object has incompatible size"
|
||
|
);
|
||
|
|
||
|
if( SpProxy<T1>::must_use_iterator || P.is_alias(d_m) )
|
||
|
{
|
||
|
const SpMat<eT> tmp(P.Q);
|
||
|
|
||
|
if(tmp.n_cols == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) += tmp.at(i,0); }
|
||
|
}
|
||
|
else
|
||
|
if(tmp.n_rows == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) += tmp.at(0,i); }
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(P.get_n_cols() == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) += P.at(i,0); }
|
||
|
}
|
||
|
else
|
||
|
if(P.get_n_rows() == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) += P.at(0,i); }
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
template<typename T1>
|
||
|
inline
|
||
|
void
|
||
|
spdiagview<eT>::operator-=(const SpBase<eT,T1>& o)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
spdiagview<eT>& d = *this;
|
||
|
|
||
|
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
|
||
|
|
||
|
const uword d_n_elem = d.n_elem;
|
||
|
const uword d_row_offset = d.row_offset;
|
||
|
const uword d_col_offset = d.col_offset;
|
||
|
|
||
|
const SpProxy<T1> P( o.get_ref() );
|
||
|
|
||
|
arma_debug_check
|
||
|
(
|
||
|
( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
|
||
|
"spdiagview: given object has incompatible size"
|
||
|
);
|
||
|
|
||
|
if( SpProxy<T1>::must_use_iterator || P.is_alias(d_m) )
|
||
|
{
|
||
|
const SpMat<eT> tmp(P.Q);
|
||
|
|
||
|
if(tmp.n_cols == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) -= tmp.at(i,0); }
|
||
|
}
|
||
|
else
|
||
|
if(tmp.n_rows == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) -= tmp.at(0,i); }
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(P.get_n_cols() == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) -= P.at(i,0); }
|
||
|
}
|
||
|
else
|
||
|
if(P.get_n_rows() == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) -= P.at(0,i); }
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
template<typename T1>
|
||
|
inline
|
||
|
void
|
||
|
spdiagview<eT>::operator%=(const SpBase<eT,T1>& o)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
spdiagview<eT>& d = *this;
|
||
|
|
||
|
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
|
||
|
|
||
|
const uword d_n_elem = d.n_elem;
|
||
|
const uword d_row_offset = d.row_offset;
|
||
|
const uword d_col_offset = d.col_offset;
|
||
|
|
||
|
const SpProxy<T1> P( o.get_ref() );
|
||
|
|
||
|
arma_debug_check
|
||
|
(
|
||
|
( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
|
||
|
"spdiagview: given object has incompatible size"
|
||
|
);
|
||
|
|
||
|
if( SpProxy<T1>::must_use_iterator || P.is_alias(d_m) )
|
||
|
{
|
||
|
const SpMat<eT> tmp(P.Q);
|
||
|
|
||
|
if(tmp.n_cols == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) *= tmp.at(i,0); }
|
||
|
}
|
||
|
else
|
||
|
if(tmp.n_rows == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) *= tmp.at(0,i); }
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(P.get_n_cols() == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) *= P.at(i,0); }
|
||
|
}
|
||
|
else
|
||
|
if(P.get_n_rows() == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) *= P.at(0,i); }
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
template<typename T1>
|
||
|
inline
|
||
|
void
|
||
|
spdiagview<eT>::operator/=(const SpBase<eT,T1>& o)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
spdiagview<eT>& d = *this;
|
||
|
|
||
|
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
|
||
|
|
||
|
const uword d_n_elem = d.n_elem;
|
||
|
const uword d_row_offset = d.row_offset;
|
||
|
const uword d_col_offset = d.col_offset;
|
||
|
|
||
|
const SpProxy<T1> P( o.get_ref() );
|
||
|
|
||
|
arma_debug_check
|
||
|
(
|
||
|
( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
|
||
|
"spdiagview: given object has incompatible size"
|
||
|
);
|
||
|
|
||
|
if( SpProxy<T1>::must_use_iterator || P.is_alias(d_m) )
|
||
|
{
|
||
|
const SpMat<eT> tmp(P.Q);
|
||
|
|
||
|
if(tmp.n_cols == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) /= tmp.at(i,0); }
|
||
|
}
|
||
|
else
|
||
|
if(tmp.n_rows == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) /= tmp.at(0,i); }
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(P.get_n_cols() == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) /= P.at(i,0); }
|
||
|
}
|
||
|
else
|
||
|
if(P.get_n_rows() == 1)
|
||
|
{
|
||
|
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) /= P.at(0,i); }
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
//! extract a diagonal and store it as a dense column vector
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
void
|
||
|
spdiagview<eT>::extract(Mat<eT>& out, const spdiagview<eT>& in)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
// NOTE: we're assuming that the 'out' matrix has already been set to the correct size;
|
||
|
// size setting is done by either the Mat contructor or Mat::operator=()
|
||
|
|
||
|
const SpMat<eT>& in_m = in.m;
|
||
|
|
||
|
const uword in_n_elem = in.n_elem;
|
||
|
const uword in_row_offset = in.row_offset;
|
||
|
const uword in_col_offset = in.col_offset;
|
||
|
|
||
|
eT* out_mem = out.memptr();
|
||
|
|
||
|
for(uword i=0; i < in_n_elem; ++i)
|
||
|
{
|
||
|
out_mem[i] = in_m.at(i + in_row_offset, i + in_col_offset );
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
eT
|
||
|
spdiagview<eT>::at_alt(const uword i) const
|
||
|
{
|
||
|
return m.at(i+row_offset, i+col_offset);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
SpValProxy< SpMat<eT> >
|
||
|
spdiagview<eT>::operator[](const uword i)
|
||
|
{
|
||
|
return (const_cast< SpMat<eT>& >(m)).at(i+row_offset, i+col_offset);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
eT
|
||
|
spdiagview<eT>::operator[](const uword i) const
|
||
|
{
|
||
|
return m.at(i+row_offset, i+col_offset);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
SpValProxy< SpMat<eT> >
|
||
|
spdiagview<eT>::at(const uword i)
|
||
|
{
|
||
|
return (const_cast< SpMat<eT>& >(m)).at(i+row_offset, i+col_offset);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
eT
|
||
|
spdiagview<eT>::at(const uword i) const
|
||
|
{
|
||
|
return m.at(i+row_offset, i+col_offset);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
SpValProxy< SpMat<eT> >
|
||
|
spdiagview<eT>::operator()(const uword i)
|
||
|
{
|
||
|
arma_debug_check( (i >= n_elem), "spdiagview::operator(): out of bounds" );
|
||
|
|
||
|
return (const_cast< SpMat<eT>& >(m)).at(i+row_offset, i+col_offset);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
eT
|
||
|
spdiagview<eT>::operator()(const uword i) const
|
||
|
{
|
||
|
arma_debug_check( (i >= n_elem), "spdiagview::operator(): out of bounds" );
|
||
|
|
||
|
return m.at(i+row_offset, i+col_offset);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
SpValProxy< SpMat<eT> >
|
||
|
spdiagview<eT>::at(const uword row, const uword)
|
||
|
{
|
||
|
return (const_cast< SpMat<eT>& >(m)).at(row+row_offset, row+col_offset);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
eT
|
||
|
spdiagview<eT>::at(const uword row, const uword) const
|
||
|
{
|
||
|
return m.at(row+row_offset, row+col_offset);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
SpValProxy< SpMat<eT> >
|
||
|
spdiagview<eT>::operator()(const uword row, const uword col)
|
||
|
{
|
||
|
arma_debug_check( ((row >= n_elem) || (col > 0)), "spdiagview::operator(): out of bounds" );
|
||
|
|
||
|
return (const_cast< SpMat<eT>& >(m)).at(row+row_offset, row+col_offset);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
eT
|
||
|
spdiagview<eT>::operator()(const uword row, const uword col) const
|
||
|
{
|
||
|
arma_debug_check( ((row >= n_elem) || (col > 0)), "spdiagview::operator(): out of bounds" );
|
||
|
|
||
|
return m.at(row+row_offset, row+col_offset);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
void
|
||
|
spdiagview<eT>::fill(const eT val)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
SpMat<eT>& x = const_cast< SpMat<eT>& >(m);
|
||
|
|
||
|
const uword local_n_elem = n_elem;
|
||
|
|
||
|
for(uword i=0; i < local_n_elem; ++i)
|
||
|
{
|
||
|
x.at(i+row_offset, i+col_offset) = val;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
void
|
||
|
spdiagview<eT>::zeros()
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
(*this).fill(eT(0));
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
void
|
||
|
spdiagview<eT>::ones()
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
(*this).fill(eT(1));
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
void
|
||
|
spdiagview<eT>::randu()
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
SpMat<eT>& x = const_cast< SpMat<eT>& >(m);
|
||
|
|
||
|
const uword local_n_elem = n_elem;
|
||
|
|
||
|
for(uword i=0; i < local_n_elem; ++i)
|
||
|
{
|
||
|
x.at(i+row_offset, i+col_offset) = eT(arma_rng::randu<eT>());
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
void
|
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|
spdiagview<eT>::randn()
|
||
|
{
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||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
SpMat<eT>& x = const_cast< SpMat<eT>& >(m);
|
||
|
|
||
|
const uword local_n_elem = n_elem;
|
||
|
|
||
|
for(uword i=0; i < local_n_elem; ++i)
|
||
|
{
|
||
|
x.at(i+row_offset, i+col_offset) = eT(arma_rng::randn<eT>());
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
//! @}
|