1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* Xilinx Video Library - Tools
*
* Copyright (C) 2014-2016 Ideas on board Oy
*
* Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at
* your option) any later version.
*
* This library 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.
*/
#ifndef __XLNX_TOOLS_H__
#define __XLNX_TOOLS_H__
#define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
#define min(a, b) ({ \
typeof(a) __a = (a); \
typeof(b) __b = (b); \
__a < __b ? __a : __b; \
})
#define min_t(type, a, b) ({ \
type __a = (a); \
type __b = (b); \
__a < __b ? __a : __b; \
})
#define max(a, b) ({ \
typeof(a) __a = (a); \
typeof(b) __b = (b); \
__a > __b ? __a : __b; \
})
#define max_t(type, a, b) ({ \
type __a = (a); \
type __b = (b); \
__a > __b ? __a : __b; \
})
#define clamp(val, min, max) ({ \
typeof(val) __val = (val); \
typeof(min) __min = (min); \
typeof(max) __max = (max); \
__val = __val < __min ? __min : __val; \
__val > __max ? __max : __val; \
})
#define clamp_t(type, val, min, max) ({ \
type __val = (val); \
type __min = (min); \
type __max = (max); \
__val = __val < __min ? __min : __val; \
__val > __max ? __max : __val; \
})
#define div_round_up(num, denom) (((num) + (denom) - 1) / (denom))
#define container_of(ptr, type, member) \
(type *)((char *)(ptr) - offsetof(type, member))
#endif /* __XLNX_TOOLS_H__ */
|
