ref: eebb0e1fce66faaafa201ea5292ad014e743a53e
dir: /src/utils/hist.h/
/*
Copyright (C) 2003 Paul Brossier
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file
*
* Histogram function
*
* Big hacks to implement an histogram
*/
#ifndef HIST_H
#define 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
* \param channels number of channels
*/
aubio_hist_t * new_aubio_hist(smpl_t flow, smpl_t fhig, uint_t nelems, uint_t channels);
/** 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