hayati ayguen | 29eb847 | 2020-11-11 23:09:58 +0100 | [diff] [blame] | 1 | /* |
| 2 | This software is part of pffft/pfdsp, a set of simple DSP routines. |
| 3 | |
| 4 | Copyright (c) 2014, Andras Retzler <randras@sdr.hu> |
| 5 | Copyright (c) 2020 Hayati Ayguen <h_ayguen@web.de> |
| 6 | All rights reserved. |
| 7 | |
| 8 | Redistribution and use in source and binary forms, with or without |
| 9 | modification, are permitted provided that the following conditions are met: |
| 10 | * Redistributions of source code must retain the above copyright |
| 11 | notice, this list of conditions and the following disclaimer. |
| 12 | * Redistributions in binary form must reproduce the above copyright |
| 13 | notice, this list of conditions and the following disclaimer in the |
| 14 | documentation and/or other materials provided with the distribution. |
| 15 | * Neither the name of the copyright holder nor the |
| 16 | names of its contributors may be used to endorse or promote products |
| 17 | derived from this software without specific prior written permission. |
| 18 | |
| 19 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 20 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 21 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 22 | DISCLAIMED. IN NO EVENT SHALL ANDRAS RETZLER BE LIABLE FOR ANY |
| 23 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 24 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 25 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 26 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 28 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #pragma once |
| 32 | |
| 33 | #include <stdio.h> |
| 34 | #include <stdint.h> |
| 35 | |
| 36 | #ifdef __cplusplus |
| 37 | extern "C" { |
| 38 | #endif |
| 39 | |
| 40 | |
| 41 | /* |
| 42 | _____ _ |
| 43 | / ____| | | |
| 44 | | | ___ _ __ ___ _ __ | | _____ __ |
| 45 | | | / _ \| '_ ` _ \| '_ \| |/ _ \ \/ / |
| 46 | | |___| (_) | | | | | | |_) | | __/> < |
| 47 | \_____\___/|_| |_| |_| .__/|_|\___/_/\_\ |
| 48 | | | |
| 49 | |_| |
| 50 | */ |
| 51 | |
| 52 | typedef struct complexf_s { float i; float q; } complexf; |
| 53 | |
| 54 | |
| 55 | /* generation functions */ |
| 56 | void generate_dc_f(float* output, int size); |
| 57 | void generate_dc_s16(short* output, int size); |
| 58 | void generate_pos_fs4_f(float* output, int size); |
| 59 | void generate_pos_fs4_s16(short* output, int size); |
| 60 | void generate_neg_fs4_f(float* output, int size); |
| 61 | void generate_neg_fs4_s16(short* output, int size); |
| 62 | |
| 63 | void generate_dc_pos_fs4_s16(short* output, int size); |
| 64 | void generate_dc_neg_fs4_s16(short* output, int size); |
| 65 | void generate_pos_neg_fs4_s16(short* output, int size); |
| 66 | void generate_dc_pos_neg_fs4_s16(short* output, int size); |
| 67 | |
| 68 | void generate_pos_neg_fs2_s16(short* output, int size); |
| 69 | void generate_dc_pos_neg_fs2_s16(short* output, int size); |
| 70 | |
| 71 | |
| 72 | #ifdef __cplusplus |
| 73 | } |
| 74 | #endif |
| 75 | |