118 lines
2.5 KiB
C
118 lines
2.5 KiB
C
/*
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Copyright (C) 2003-2015 Paul Brossier <piem@aubio.org>
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This file is part of aubio.
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aubio is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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aubio is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with aubio. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef AUBIO_LVEC_H
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#define AUBIO_LVEC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** \file
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Vector of real-valued data in double precision
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This file specifies the ::lvec_t buffer type, which is used in some places in
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aubio to store a vector of ::lsmp_t.
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Note: the lvec_t data type is required in some algorithms such as IIR filters
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(see temporal/filter.h).
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\example test-lvec.c
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*/
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/** Buffer for real data in double precision */
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typedef struct {
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uint_t length; /**< length of buffer */
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lsmp_t *data; /**< data array of size [length] */
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} lvec_t;
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/** lvec_t buffer creation function
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\param length the length of the buffer to create
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*/
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lvec_t * new_lvec(uint_t length);
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/** lvec_t buffer deletion function
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\param s buffer to delete as returned by new_lvec()
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*/
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void del_lvec(lvec_t *s);
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/** read sample value in a buffer
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\param s vector to read from
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\param position sample position to read from
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*/
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lsmp_t lvec_get_sample(lvec_t *s, uint_t position);
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/** write sample value in a buffer
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\param s vector to write to
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\param data value to write in s->data[position]
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\param position sample position to write to
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*/
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void lvec_set_sample(lvec_t *s, lsmp_t data, uint_t position);
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/** read data from a buffer
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\param s vector to read from
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*/
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lsmp_t * lvec_get_data(const lvec_t *s);
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/** print out lvec data
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\param s vector to print out
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*/
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void lvec_print(const lvec_t *s);
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/** set all elements to a given value
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\param s vector to modify
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\param val value to set elements to
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*/
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void lvec_set_all(lvec_t *s, smpl_t val);
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/** set all elements to zero
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\param s vector to modify
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*/
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void lvec_zeros(lvec_t *s);
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/** set all elements to ones
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\param s vector to modify
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*/
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void lvec_ones(lvec_t *s);
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#ifdef __cplusplus
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}
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#endif
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#endif /* AUBIO_LVEC_H */
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