hash_murmur.hpp 2.84 KB
Newer Older
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
//
//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
//  By downloading, copying, installing or using the software you agree to this license.
//  If you do not agree to this license, do not download, install,
//  copy or use the software.
//
//
//                          License Agreement
//                For Open Source Computer Vision Library
//
// Copyright (C) 2014, OpenCV Foundation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
//   * Redistribution's of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//
//   * Redistribution's in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//
//   * The name of the copyright holders may not be used to endorse or promote products
//     derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
// Author: Tolga Birdal <tbirdal AT gmail.com>

Bence Magyar's avatar
Bence Magyar committed
41 42
#ifndef __OPENCV_SURFACE_MATCHING_HASH_MURMUR_HPP_
#define __OPENCV_SURFACE_MATCHING_HASH_MURMUR_HPP_
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 71 72 73 74 75 76 77 78 79 80 81 82 83

namespace cv
{
namespace ppf_match_3d
{


#if defined(_MSC_VER)

#define FORCE_INLINE    inline static

#include <stdlib.h>

#define ROTL32(x,y)     _rotl(x,y)
#define ROTL64(x,y)     _rotl64(x,y)

#else
//#define FORCE_INLINE __attribute__((always_inline))
#define FORCE_INLINE inline static

/* gcc recognises this code and generates a rotate instruction for CPUs with one */
#define ROTL32(x,r)  (((uint32_t)x << r) | ((uint32_t)x >> (32 - r)))

inline static long long ROTL64 ( long long x, int8_t r )
{
    return (x << r) | (x >> (64 - r));
}

#endif // !defined(_MSC_VER)

#if (defined __x86_64__ || defined _M_X64)
#include "hash_murmur64.hpp"
#define murmurHash hashMurmurx64
#else
#include "hash_murmur86.hpp"
#define murmurHash hashMurmurx86
#endif
}
}


Bence Magyar's avatar
Bence Magyar committed
84
#endif