ref: 52efae1200ebd8c5acf4d389f165cfac2bd8cceb
dir: /src/utils/hist.h/
/* Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org> This file is part of aubio. aubio is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. aubio is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with aubio. If not, see <http://www.gnu.org/licenses/>. */ /** @file * * Histogram function * * Big hacks to implement an histogram */ #ifndef _AUBIO_HIST_H #define _AUBIO_HIST_H #ifdef __cplusplus extern "C" { #endif /** histogram object */ typedef struct _aubio_hist_t aubio_hist_t; /** histogram creation \param flow minimum input \param fhig maximum input \param nelems number of histogram columns */ aubio_hist_t * new_aubio_hist(smpl_t flow, smpl_t fhig, uint_t nelems); /** histogram deletion */ void del_aubio_hist(aubio_hist_t *s); /** compute the histogram */ void aubio_hist_do(aubio_hist_t *s, fvec_t * input); /** compute the histogram ignoring null elements */ void aubio_hist_do_notnull(aubio_hist_t *s, fvec_t * input); /** compute the mean of the histogram */ smpl_t aubio_hist_mean(aubio_hist_t *s); /** weight the histogram */ void aubio_hist_weight(aubio_hist_t *s); /** compute dynamic histogram for non-null elements */ void aubio_hist_dyn_notnull (aubio_hist_t *s, fvec_t *input); #ifdef __cplusplus } #endif #endif /* _AUBIO_HIST_H */