1/******************************************************************************
2 *
3 * Copyright (C) 2015 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 *****************************************************************************
18 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19*/
20/**
21*******************************************************************************
22* @file
23*  icv_macros.h
24*
25* @brief
26*  This header files contains all the common macros
27*
28* @author
29*  Ittiam
30*
31* @par List of Functions:
32*
33* @remarks
34*  None
35*
36*******************************************************************************
37*/
38#ifndef __ICV_MACROS_H__
39#define __ICV_MACROS_H__
40
41#define ABS(x) ((x) < 0 ? (-1 * (x)) : (x))
42
43#define MAX(x,y) ((x) > (y) ? (x) : (y))
44
45#define MIN(x,y) ((x) < (y) ? (x) : (y))
46
47/* Absolute difference */
48#define ABS_DIF(x,y) (((x) > (y)) ? ((x) - (y)) : ((y) - (x)))
49
50#define MED3(a,b,c)   (MIN(MAX( MIN((a),(b)), (c)), MAX((a),(b))))
51
52#define AVG(a,b)      (((a) + (b) + 1) >> 1)
53
54#define MEAN(a, b)    AVG(a, b)
55
56#define CLIP3(min, max, x) (((x) > (max)) ? (max) :(((x) < (min))? (min):(x)))
57#define SIGN(x)    (((x) < 0) ? -1 : 1)
58
59
60#define ALIGN128(x) ((((x) + 127) >> 7) << 7)
61#define ALIGN64(x)  ((((x) + 63) >> 6) << 6)
62#define ALIGN32(x)  ((((x) + 31) >> 5) << 5)
63#define ALIGN16(x)  ((((x) + 15) >> 4) << 4)
64#define ALIGN8(x)   ((((x) + 7) >> 3) << 3)
65
66
67#define RETURN_IF(cond, retval) if(cond) {return (retval);}
68#define UNUSED(x) ((void)(x))
69
70#define ASSERT(x) assert(x)
71
72
73#endif  /* __ICV_IT_MACROS_H__ */
74