Mercurial > hg > segmenter-vamp-plugin
diff armadillo-3.900.4/include/armadillo_bits/fn_eps.hpp @ 49:1ec0e2823891
Switch to using subrepo copies of qm-dsp, nnls-chroma, vamp-plugin-sdk; update Armadillo version; assume build without external BLAS/LAPACK
author | Chris Cannam |
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date | Thu, 13 Jun 2013 10:25:24 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/armadillo-3.900.4/include/armadillo_bits/fn_eps.hpp Thu Jun 13 10:25:24 2013 +0100 @@ -0,0 +1,100 @@ +// Copyright (C) 2009-2010 NICTA (www.nicta.com.au) +// Copyright (C) 2009-2010 Conrad Sanderson +// Copyright (C) 2009-2010 Dimitrios Bouzas +// +// 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 fn_eps +//! @{ + + + +//! \brief +//! eps version for non-complex matrices and vectors +template<typename T1> +inline +const eOp<T1, eop_eps> +eps(const Base<typename T1::elem_type, T1>& X, const typename arma_not_cx<typename T1::elem_type>::result* junk = 0) + { + arma_extra_debug_sigprint(); + arma_ignore(junk); + + return eOp<T1, eop_eps>(X.get_ref()); + } + + + +//! \brief +//! eps version for complex matrices and vectors +template<typename T1> +inline +Mat< typename T1::pod_type > +eps(const Base< std::complex<typename T1::pod_type>, T1>& X, const typename arma_cx_only<typename T1::elem_type>::result* junk = 0) + { + arma_extra_debug_sigprint(); + + arma_ignore(junk); + + typedef typename T1::pod_type T; + typedef typename T1::elem_type eT; + + const unwrap<T1> tmp(X.get_ref()); + const Mat<eT>& A = tmp.M; + + Mat<T> out(A.n_rows, A.n_cols); + + T* out_mem = out.memptr(); + const eT* A_mem = A.memptr(); + const uword n_elem = A.n_elem; + + for(uword i=0; i<n_elem; ++i) + { + out_mem[i] = eop_aux::direct_eps( A_mem[i] ); + } + + + return out; + } + + + +template<typename eT> +arma_inline +arma_warn_unused +typename arma_integral_only<eT>::result +eps(const eT& x) + { + arma_ignore(x); + + return eT(0); + } + + + +template<typename eT> +arma_inline +arma_warn_unused +typename arma_real_only<eT>::result +eps(const eT& x) + { + return eop_aux::direct_eps(x); + } + + + +template<typename T> +arma_inline +arma_warn_unused +typename arma_real_only<T>::result +eps(const std::complex<T>& x) + { + return eop_aux::direct_eps(x); + } + + + +//! @}