1 | /* |
2 | * Copyright 2012-15 Advanced Micro Devices, Inc. |
3 | * |
4 | * Permission is hereby granted, free of charge, to any person obtaining a |
5 | * copy of this software and associated documentation files (the "Software"), |
6 | * to deal in the Software without restriction, including without limitation |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
8 | * and/or sell copies of the Software, and to permit persons to whom the |
9 | * Software is furnished to do so, subject to the following conditions: |
10 | * |
11 | * The above copyright notice and this permission notice shall be included in |
12 | * all copies or substantial portions of the Software. |
13 | * |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
20 | * OTHER DEALINGS IN THE SOFTWARE. |
21 | * |
22 | * Authors: AMD |
23 | * |
24 | */ |
25 | |
26 | #ifndef __DAL_CONVERSION_H__ |
27 | #define __DAL_CONVERSION_H__ |
28 | |
29 | #include "include/fixed31_32.h" |
30 | |
31 | uint16_t fixed_point_to_int_frac( |
32 | struct fixed31_32 arg, |
33 | uint8_t integer_bits, |
34 | uint8_t fractional_bits); |
35 | |
36 | void convert_float_matrix( |
37 | uint16_t *matrix, |
38 | struct fixed31_32 *flt, |
39 | uint32_t buffer_size); |
40 | |
41 | void reduce_fraction(uint32_t num, uint32_t den, |
42 | uint32_t *out_num, uint32_t *out_den); |
43 | |
44 | static inline unsigned int log_2(unsigned int num) |
45 | { |
46 | return ilog2(num); |
47 | } |
48 | |
49 | #endif |
50 | |