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