103 lines
2.0 KiB
C++
103 lines
2.0 KiB
C++
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// Copyright (C) 2009-2010 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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// Written by Dimitrios Bouzas
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//! \addtogroup fn_eps
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//! @{
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//! \brief
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//! eps version for non-complex matrices and vectors
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template<typename T1>
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inline
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const eOp<T1, eop_eps>
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eps(const Base<typename T1::elem_type, T1>& X, const typename arma_not_cx<typename T1::elem_type>::result* junk = 0)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk);
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return eOp<T1, eop_eps>(X.get_ref());
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}
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//! \brief
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//! eps version for complex matrices and vectors
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template<typename T1>
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inline
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Mat< typename T1::pod_type >
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eps(const Base< std::complex<typename T1::pod_type>, T1>& X, const typename arma_cx_only<typename T1::elem_type>::result* junk = 0)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk);
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typedef typename T1::pod_type T;
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typedef typename T1::elem_type eT;
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const unwrap<T1> tmp(X.get_ref());
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const Mat<eT>& A = tmp.M;
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Mat<T> out(A.n_rows, A.n_cols);
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T* out_mem = out.memptr();
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const eT* A_mem = A.memptr();
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const uword n_elem = A.n_elem;
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for(uword i=0; i<n_elem; ++i)
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{
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out_mem[i] = eop_aux::direct_eps( A_mem[i] );
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}
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return out;
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}
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template<typename eT>
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arma_inline
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arma_warn_unused
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typename arma_integral_only<eT>::result
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eps(const eT& x)
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{
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arma_ignore(x);
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return eT(0);
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}
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template<typename eT>
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arma_inline
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arma_warn_unused
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typename arma_real_only<eT>::result
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eps(const eT& x)
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{
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return eop_aux::direct_eps(x);
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}
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template<typename T>
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arma_inline
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arma_warn_unused
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typename arma_real_only<T>::result
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eps(const std::complex<T>& x)
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{
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return eop_aux::direct_eps(x);
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}
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//! @}
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