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/*
Copyright (C) 2003-2015 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/>.
*/
#ifndef AUBIO_LVEC_H
#define AUBIO_LVEC_H
#ifdef __cplusplus
extern "C" {
#endif
/** \file
Vector of real-valued data in double precision
This file specifies the ::lvec_t buffer type, which is used in some places in
aubio to store a vector of ::lsmp_t.
Note: the lvec_t data type is required in some algorithms such as IIR filters
(see temporal/filter.h).
\example test-lvec.c
*/
/** Buffer for real data in double precision */
typedef struct {
uint_t length; /**< length of buffer */
lsmp_t *data; /**< data array of size [length] */
} lvec_t;
/** lvec_t buffer creation function
\param length the length of the buffer to create
*/
lvec_t * new_lvec(uint_t length);
/** lvec_t buffer deletion function
\param s buffer to delete as returned by new_lvec()
*/
void del_lvec(lvec_t *s);
/** read sample value in a buffer
\param s vector to read from
\param position sample position to read from
*/
lsmp_t lvec_get_sample(lvec_t *s, uint_t position);
/** write sample value in a buffer
\param s vector to write to
\param data value to write in s->data[position]
\param position sample position to write to
*/
void lvec_set_sample(lvec_t *s, lsmp_t data, uint_t position);
/** read data from a buffer
\param s vector to read from
*/
lsmp_t * lvec_get_data(const lvec_t *s);
/** print out lvec data
\param s vector to print out
*/
void lvec_print(const lvec_t *s);
/** set all elements to a given value
\param s vector to modify
\param val value to set elements to
*/
void lvec_set_all(lvec_t *s, smpl_t val);
/** set all elements to zero
\param s vector to modify
*/
void lvec_zeros(lvec_t *s);
/** set all elements to ones
\param s vector to modify
*/
void lvec_ones(lvec_t *s);
#ifdef __cplusplus
}
#endif
#endif /* AUBIO_LVEC_H */
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