Mercurial > hg > segmenter-vamp-plugin
diff armadillo-3.900.4/include/armadillo_bits/spop_mean_bones.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/spop_mean_bones.hpp Thu Jun 13 10:25:24 2013 +0100 @@ -0,0 +1,45 @@ +// Copyright (C) 2012 Ryan Curtin +// 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 spop_mean +//! @{ + + +//! Class for finding mean values of a sparse matrix +class spop_mean + { + public: + + // Apply mean into an output sparse matrix (or vector). + template<typename T1> + inline static void apply(SpMat<typename T1::elem_type>& out, const SpOp<T1, spop_mean>& in); + + template<typename T1> + inline static void apply_noalias(SpMat<typename T1::elem_type>& out, const SpProxy<T1>& p, const uword dim); + + // Take direct mean of a set of values. Length of array and number of values can be different. + template<typename eT> + inline static eT direct_mean(const eT* const X, const uword length, const uword N); + + template<typename eT> + inline static eT direct_mean_robust(const eT* const X, const uword length, const uword N); + + template<typename T1> + inline static typename T1::elem_type mean_all(const SpBase<typename T1::elem_type, T1>& X); + + // Take the mean using an iterator. + template<typename T1, typename eT> + inline static eT iterator_mean(T1& it, const T1& end, const uword n_zero, const eT junk); + + template<typename T1, typename eT> + inline static eT iterator_mean_robust(T1& it, const T1& end, const uword n_zero, const eT junk); + }; + + + +//! @}