636 lines
15 KiB
C++
636 lines
15 KiB
C++
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// Copyright (C) 2008-2015 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 fn_conv_to
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//! @{
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//! conversion from Armadillo Base and BaseCube objects to scalars
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//! (kept only for compatibility with old code; use as_scalar() instead for Base objects like Mat)
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template<typename out_eT>
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class conv_to
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{
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public:
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template<typename in_eT, typename T1>
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inline static out_eT from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
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template<typename in_eT, typename T1>
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inline static out_eT from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
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template<typename in_eT, typename T1>
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inline static out_eT from(const BaseCube<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
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template<typename in_eT, typename T1>
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inline static out_eT from(const BaseCube<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
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};
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template<typename out_eT>
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template<typename in_eT, typename T1>
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inline
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out_eT
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conv_to<out_eT>::from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk);
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arma_type_check(( is_supported_elem_type<out_eT>::value == false ));
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const Proxy<T1> P(in.get_ref());
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arma_debug_check( (P.get_n_elem() != 1), "conv_to(): given object doesn't have exactly one element" );
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return out_eT(Proxy<T1>::prefer_at_accessor ? P.at(0,0) : P[0]);
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}
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template<typename out_eT>
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template<typename in_eT, typename T1>
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inline
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out_eT
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conv_to<out_eT>::from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk);
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arma_type_check(( is_supported_elem_type<out_eT>::value == false ));
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const Proxy<T1> P(in.get_ref());
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arma_debug_check( (P.get_n_elem() != 1), "conv_to(): given object doesn't have exactly one element" );
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out_eT out;
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arrayops::convert_cx_scalar(out, (Proxy<T1>::prefer_at_accessor ? P.at(0,0) : P[0]));
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return out;
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}
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template<typename out_eT>
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template<typename in_eT, typename T1>
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inline
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out_eT
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conv_to<out_eT>::from(const BaseCube<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk);
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arma_type_check(( is_supported_elem_type<out_eT>::value == false ));
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const ProxyCube<T1> P(in.get_ref());
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arma_debug_check( (P.get_n_elem() != 1), "conv_to(): given object doesn't have exactly one element" );
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return out_eT(ProxyCube<T1>::prefer_at_accessor ? P.at(0,0,0) : P[0]);
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}
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template<typename out_eT>
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template<typename in_eT, typename T1>
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inline
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out_eT
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conv_to<out_eT>::from(const BaseCube<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk);
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arma_type_check(( is_supported_elem_type<out_eT>::value == false ));
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const ProxyCube<T1> P(in.get_ref());
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arma_debug_check( (P.get_n_elem() != 1), "conv_to(): given object doesn't have exactly one element" );
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out_eT out;
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arrayops::convert_cx_scalar(out, (ProxyCube<T1>::prefer_at_accessor ? P.at(0,0,0) : P[0]));
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return out;
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}
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//! conversion to Armadillo matrices from Armadillo Base objects, as well as from std::vector
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template<typename out_eT>
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class conv_to< Mat<out_eT> >
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{
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public:
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template<typename in_eT, typename T1>
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inline static Mat<out_eT> from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
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template<typename in_eT, typename T1>
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inline static Mat<out_eT> from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
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template<typename T1>
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inline static Mat<out_eT> from(const SpBase<out_eT, T1>& in);
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template<typename in_eT>
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inline static Mat<out_eT> from(const std::vector<in_eT>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
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template<typename in_eT>
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inline static Mat<out_eT> from(const std::vector<in_eT>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
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};
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template<typename out_eT>
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template<typename in_eT, typename T1>
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inline
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Mat<out_eT>
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conv_to< Mat<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk);
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const quasi_unwrap<T1> tmp(in.get_ref());
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const Mat<in_eT>& X = tmp.M;
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Mat<out_eT> out(X.n_rows, X.n_cols);
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arrayops::convert( out.memptr(), X.memptr(), X.n_elem );
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return out;
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}
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template<typename out_eT>
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template<typename in_eT, typename T1>
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inline
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Mat<out_eT>
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conv_to< Mat<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk);
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const quasi_unwrap<T1> tmp(in.get_ref());
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const Mat<in_eT>& X = tmp.M;
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Mat<out_eT> out(X.n_rows, X.n_cols);
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arrayops::convert_cx( out.memptr(), X.memptr(), X.n_elem );
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return out;
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}
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template<typename out_eT>
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template<typename T1>
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inline
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Mat<out_eT>
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conv_to< Mat<out_eT> >::from(const SpBase<out_eT, T1>& in)
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{
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arma_extra_debug_sigprint();
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return Mat<out_eT>(in.get_ref());
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}
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template<typename out_eT>
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template<typename in_eT>
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inline
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Mat<out_eT>
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conv_to< Mat<out_eT> >::from(const std::vector<in_eT>& in, const typename arma_not_cx<in_eT>::result* junk)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk);
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const uword N = uword( in.size() );
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Mat<out_eT> out(N, 1);
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if(N > 0)
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{
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arrayops::convert( out.memptr(), &(in[0]), N );
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}
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return out;
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}
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template<typename out_eT>
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template<typename in_eT>
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inline
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Mat<out_eT>
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conv_to< Mat<out_eT> >::from(const std::vector<in_eT>& in, const typename arma_cx_only<in_eT>::result* junk)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk);
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const uword N = uword( in.size() );
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Mat<out_eT> out(N, 1);
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if(N > 0)
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{
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arrayops::convert_cx( out.memptr(), &(in[0]), N );
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}
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return out;
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}
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//! conversion to Armadillo row vectors from Armadillo Base objects, as well as from std::vector
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template<typename out_eT>
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class conv_to< Row<out_eT> >
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{
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public:
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template<typename in_eT, typename T1>
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inline static Row<out_eT> from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
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template<typename in_eT, typename T1>
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inline static Row<out_eT> from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
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template<typename in_eT>
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inline static Row<out_eT> from(const std::vector<in_eT>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
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template<typename in_eT>
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inline static Row<out_eT> from(const std::vector<in_eT>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
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};
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template<typename out_eT>
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template<typename in_eT, typename T1>
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inline
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Row<out_eT>
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conv_to< Row<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk);
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const quasi_unwrap<T1> tmp(in.get_ref());
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const Mat<in_eT>& X = tmp.M;
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arma_debug_check( ( (X.is_vec() == false) && (X.is_empty() == false) ), "conv_to(): given object can't be interpreted as a vector" );
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Row<out_eT> out(X.n_elem);
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arrayops::convert( out.memptr(), X.memptr(), X.n_elem );
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return out;
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}
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template<typename out_eT>
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template<typename in_eT, typename T1>
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inline
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Row<out_eT>
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conv_to< Row<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk);
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const quasi_unwrap<T1> tmp(in.get_ref());
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const Mat<in_eT>& X = tmp.M;
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arma_debug_check( ( (X.is_vec() == false) && (X.is_empty() == false) ), "conv_to(): given object can't be interpreted as a vector" );
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Row<out_eT> out(X.n_rows, X.n_cols);
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arrayops::convert_cx( out.memptr(), X.memptr(), X.n_elem );
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return out;
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}
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template<typename out_eT>
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template<typename in_eT>
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inline
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Row<out_eT>
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conv_to< Row<out_eT> >::from(const std::vector<in_eT>& in, const typename arma_not_cx<in_eT>::result* junk)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk);
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const uword N = uword( in.size() );
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Row<out_eT> out(N);
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if(N > 0)
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{
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arrayops::convert( out.memptr(), &(in[0]), N );
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}
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return out;
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}
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template<typename out_eT>
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template<typename in_eT>
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inline
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Row<out_eT>
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conv_to< Row<out_eT> >::from(const std::vector<in_eT>& in, const typename arma_cx_only<in_eT>::result* junk)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk);
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const uword N = uword( in.size() );
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Row<out_eT> out(N);
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if(N > 0)
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{
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arrayops::convert_cx( out.memptr(), &(in[0]), N );
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}
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return out;
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}
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//! conversion to Armadillo column vectors from Armadillo Base objects, as well as from std::vector
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template<typename out_eT>
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class conv_to< Col<out_eT> >
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{
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public:
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template<typename in_eT, typename T1>
|
||
|
|
inline static Col<out_eT> from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
|
||
|
|
|
||
|
|
template<typename in_eT, typename T1>
|
||
|
|
inline static Col<out_eT> from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
template<typename in_eT>
|
||
|
|
inline static Col<out_eT> from(const std::vector<in_eT>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
|
||
|
|
|
||
|
|
template<typename in_eT>
|
||
|
|
inline static Col<out_eT> from(const std::vector<in_eT>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
template<typename out_eT>
|
||
|
|
template<typename in_eT, typename T1>
|
||
|
|
inline
|
||
|
|
Col<out_eT>
|
||
|
|
conv_to< Col<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk)
|
||
|
|
{
|
||
|
|
arma_extra_debug_sigprint();
|
||
|
|
arma_ignore(junk);
|
||
|
|
|
||
|
|
const quasi_unwrap<T1> tmp(in.get_ref());
|
||
|
|
const Mat<in_eT>& X = tmp.M;
|
||
|
|
|
||
|
|
arma_debug_check( ( (X.is_vec() == false) && (X.is_empty() == false) ), "conv_to(): given object can't be interpreted as a vector" );
|
||
|
|
|
||
|
|
Col<out_eT> out(X.n_elem);
|
||
|
|
|
||
|
|
arrayops::convert( out.memptr(), X.memptr(), X.n_elem );
|
||
|
|
|
||
|
|
return out;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
template<typename out_eT>
|
||
|
|
template<typename in_eT, typename T1>
|
||
|
|
inline
|
||
|
|
Col<out_eT>
|
||
|
|
conv_to< Col<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk)
|
||
|
|
{
|
||
|
|
arma_extra_debug_sigprint();
|
||
|
|
arma_ignore(junk);
|
||
|
|
|
||
|
|
const quasi_unwrap<T1> tmp(in.get_ref());
|
||
|
|
const Mat<in_eT>& X = tmp.M;
|
||
|
|
|
||
|
|
arma_debug_check( ( (X.is_vec() == false) && (X.is_empty() == false) ), "conv_to(): given object can't be interpreted as a vector" );
|
||
|
|
|
||
|
|
Col<out_eT> out(X.n_rows, X.n_cols);
|
||
|
|
|
||
|
|
arrayops::convert_cx( out.memptr(), X.memptr(), X.n_elem );
|
||
|
|
|
||
|
|
return out;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
template<typename out_eT>
|
||
|
|
template<typename in_eT>
|
||
|
|
inline
|
||
|
|
Col<out_eT>
|
||
|
|
conv_to< Col<out_eT> >::from(const std::vector<in_eT>& in, const typename arma_not_cx<in_eT>::result* junk)
|
||
|
|
{
|
||
|
|
arma_extra_debug_sigprint();
|
||
|
|
arma_ignore(junk);
|
||
|
|
|
||
|
|
const uword N = uword( in.size() );
|
||
|
|
|
||
|
|
Col<out_eT> out(N);
|
||
|
|
|
||
|
|
if(N > 0)
|
||
|
|
{
|
||
|
|
arrayops::convert( out.memptr(), &(in[0]), N );
|
||
|
|
}
|
||
|
|
|
||
|
|
return out;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
template<typename out_eT>
|
||
|
|
template<typename in_eT>
|
||
|
|
inline
|
||
|
|
Col<out_eT>
|
||
|
|
conv_to< Col<out_eT> >::from(const std::vector<in_eT>& in, const typename arma_cx_only<in_eT>::result* junk)
|
||
|
|
{
|
||
|
|
arma_extra_debug_sigprint();
|
||
|
|
arma_ignore(junk);
|
||
|
|
|
||
|
|
const uword N = uword( in.size() );
|
||
|
|
|
||
|
|
Col<out_eT> out(N);
|
||
|
|
|
||
|
|
if(N > 0)
|
||
|
|
{
|
||
|
|
arrayops::convert_cx( out.memptr(), &(in[0]), N );
|
||
|
|
}
|
||
|
|
|
||
|
|
return out;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
template<typename out_eT>
|
||
|
|
class conv_to< SpMat<out_eT> >
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
template<typename T1>
|
||
|
|
inline static SpMat<out_eT> from(const Base<out_eT, T1>& in);
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
template<typename out_eT>
|
||
|
|
template<typename T1>
|
||
|
|
inline
|
||
|
|
SpMat<out_eT>
|
||
|
|
conv_to< SpMat<out_eT> >::from(const Base<out_eT, T1>& in)
|
||
|
|
{
|
||
|
|
arma_extra_debug_sigprint();
|
||
|
|
|
||
|
|
return SpMat<out_eT>(in.get_ref());
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//! conversion to Armadillo cubes from Armadillo BaseCube objects
|
||
|
|
template<typename out_eT>
|
||
|
|
class conv_to< Cube<out_eT> >
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
template<typename in_eT, typename T1>
|
||
|
|
inline static Cube<out_eT> from(const BaseCube<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
|
||
|
|
|
||
|
|
template<typename in_eT, typename T1>
|
||
|
|
inline static Cube<out_eT> from(const BaseCube<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
template<typename out_eT>
|
||
|
|
template<typename in_eT, typename T1>
|
||
|
|
inline
|
||
|
|
Cube<out_eT>
|
||
|
|
conv_to< Cube<out_eT> >::from(const BaseCube<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk)
|
||
|
|
{
|
||
|
|
arma_extra_debug_sigprint();
|
||
|
|
arma_ignore(junk);
|
||
|
|
|
||
|
|
const unwrap_cube<T1> tmp( in.get_ref() );
|
||
|
|
const Cube<in_eT>& X = tmp.M;
|
||
|
|
|
||
|
|
Cube<out_eT> out(X.n_rows, X.n_cols, X.n_slices);
|
||
|
|
|
||
|
|
arrayops::convert( out.memptr(), X.memptr(), X.n_elem );
|
||
|
|
|
||
|
|
return out;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
template<typename out_eT>
|
||
|
|
template<typename in_eT, typename T1>
|
||
|
|
inline
|
||
|
|
Cube<out_eT>
|
||
|
|
conv_to< Cube<out_eT> >::from(const BaseCube<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk)
|
||
|
|
{
|
||
|
|
arma_extra_debug_sigprint();
|
||
|
|
arma_ignore(junk);
|
||
|
|
|
||
|
|
const unwrap_cube<T1> tmp( in.get_ref() );
|
||
|
|
const Cube<in_eT>& X = tmp.M;
|
||
|
|
|
||
|
|
Cube<out_eT> out(X.n_rows, X.n_cols, X.n_slices);
|
||
|
|
|
||
|
|
arrayops::convert_cx( out.memptr(), X.memptr(), X.n_elem );
|
||
|
|
|
||
|
|
return out;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//! conversion to std::vector from Armadillo Base objects
|
||
|
|
template<typename out_eT>
|
||
|
|
class conv_to< std::vector<out_eT> >
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
template<typename in_eT, typename T1>
|
||
|
|
inline static std::vector<out_eT> from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
|
||
|
|
|
||
|
|
template<typename in_eT, typename T1>
|
||
|
|
inline static std::vector<out_eT> from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
template<typename out_eT>
|
||
|
|
template<typename in_eT, typename T1>
|
||
|
|
inline
|
||
|
|
std::vector<out_eT>
|
||
|
|
conv_to< std::vector<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk)
|
||
|
|
{
|
||
|
|
arma_extra_debug_sigprint();
|
||
|
|
arma_ignore(junk);
|
||
|
|
|
||
|
|
const quasi_unwrap<T1> tmp(in.get_ref());
|
||
|
|
const Mat<in_eT>& X = tmp.M;
|
||
|
|
|
||
|
|
arma_debug_check( ( (X.is_vec() == false) && (X.is_empty() == false) ), "conv_to(): given object can't be interpreted as a vector" );
|
||
|
|
|
||
|
|
const uword N = X.n_elem;
|
||
|
|
|
||
|
|
std::vector<out_eT> out(N);
|
||
|
|
|
||
|
|
if(N > 0)
|
||
|
|
{
|
||
|
|
arrayops::convert( &(out[0]), X.memptr(), N );
|
||
|
|
}
|
||
|
|
|
||
|
|
return out;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
template<typename out_eT>
|
||
|
|
template<typename in_eT, typename T1>
|
||
|
|
inline
|
||
|
|
std::vector<out_eT>
|
||
|
|
conv_to< std::vector<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk)
|
||
|
|
{
|
||
|
|
arma_extra_debug_sigprint();
|
||
|
|
arma_ignore(junk);
|
||
|
|
|
||
|
|
const quasi_unwrap<T1> tmp(in.get_ref());
|
||
|
|
const Mat<in_eT>& X = tmp.M;
|
||
|
|
|
||
|
|
arma_debug_check( ( (X.is_vec() == false) && (X.is_empty() == false) ), "conv_to(): given object can't be interpreted as a vector" );
|
||
|
|
|
||
|
|
const uword N = X.n_elem;
|
||
|
|
|
||
|
|
std::vector<out_eT> out(N);
|
||
|
|
|
||
|
|
if(N > 0)
|
||
|
|
{
|
||
|
|
arrayops::convert_cx( &(out[0]), X.memptr(), N );
|
||
|
|
}
|
||
|
|
|
||
|
|
return out;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//! @}
|