96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/*
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* Brickworks
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*
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* Copyright (C) 2023 Orastron Srl unipersonale
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*
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* Brickworks 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, version 3 of the License.
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*
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* Brickworks 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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*
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* You should have received a copy of the GNU General Public License
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* along with Brickworks. If not, see <http://www.gnu.org/licenses/>.
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*
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* File author: Stefano D'Angelo
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*/
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/*!
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* module_type {{{ utility }}}
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* version {{{ 0.3.0 }}}
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* requires {{{ bw_config bw_common }}}
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* description {{{
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* Common operations on buffers.
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* }}}
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* changelog {{{
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* <ul>
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* <li>Version <strong>0.3.0</strong>:
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* <ul>
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* <li>First release.</li>
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* </ul>
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* </li>
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* </ul>
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* }}}
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*/
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#ifndef _BW_BUF_H
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#define _BW_BUF_H
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#include <bw_common.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*! api {{{
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* #### bw_buf_scale()
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* ```>>> */
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static inline void bw_buf_scale(float *dest, const float *src, float k, int n_elems);
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/*! <<<```
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* Multiplies the first `n_elems` in `src` by `k` and stores the results in
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* the first `n_elems` of `dest`.
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*
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* #### bw_buf_mix()
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* ```>>> */
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static inline void bw_buf_mix(float *dest, const float *src1, const float *src2, int n_elems);
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/*! <<<```
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* Adds the first `n_elems` of `src1` and `src2` and stores the results in
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* the first `n_elems` of `dest`.
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*
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* #### bw_buf_mul()
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* ```>>> */
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static inline void bw_buf_mul(float *dest, const float *src1, const float *src2, int n_elems);
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/*! <<<```
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* Multiplies the first `n_elems` of `src1` and `src2` and stores the results
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* in the first `n_elems` of `dest`.
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* }}} */
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/*** Implementation ***/
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/* WARNING: This part of the file is not part of the public API. Its content may
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* change at any time in future versions. Please, do not use it directly. */
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static inline void bw_buf_scale(float *dest, const float *src, float k, int n_elems) {
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for (int i = 0; i < n_elems; i++)
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dest[i] = k * src[i];
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}
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static inline void bw_buf_mix(float *dest, const float *src1, const float *src2, int n_elems) {
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for (int i = 0; i < n_elems; i++)
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dest[i] = src1[i] + src2[i];
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}
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static inline void bw_buf_mul(float *dest, const float *src1, const float *src2, int n_elems) {
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for (int i = 0; i < n_elems; i++)
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dest[i] = src1[i] * src2[i];
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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