52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
// Copyright (C) 2012-2015 National ICT Australia (NICTA)
|
|
//
|
|
// 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/.
|
|
// -------------------------------------------------------------------
|
|
//
|
|
// Written by Conrad Sanderson - http://conradsanderson.id.au
|
|
// Written by Ryan Curtin
|
|
|
|
|
|
//! \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_fast(SpMat<typename T1::elem_type>& out, const SpProxy<T1>& p, const uword dim);
|
|
|
|
template<typename T1>
|
|
inline static void apply_noalias_slow(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);
|
|
};
|
|
|
|
|
|
|
|
//! @}
|