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      1 /*M///////////////////////////////////////////////////////////////////////////////////////
      2 //
      3 //  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
      4 //
      5 //  By downloading, copying, installing or using the software you agree to this license.
      6 //  If you do not agree to this license, do not download, install,
      7 //  copy or use the software.
      8 //
      9 //
     10 //                          License Agreement
     11 //                For Open Source Computer Vision Library
     12 //
     13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
     14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved.
     15 // Copyright (C) 2013, OpenCV Foundation, all rights reserved.
     16 // Third party copyrights are property of their respective owners.
     17 //
     18 // Redistribution and use in source and binary forms, with or without modification,
     19 // are permitted provided that the following conditions are met:
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     21 //   * Redistribution's of source code must retain the above copyright notice,
     22 //     this list of conditions and the following disclaimer.
     23 //
     24 //   * Redistribution's in binary form must reproduce the above copyright notice,
     25 //     this list of conditions and the following disclaimer in the documentation
     26 //     and/or other materials provided with the distribution.
     27 //
     28 //   * The name of the copyright holders may not be used to endorse or promote products
     29 //     derived from this software without specific prior written permission.
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     39 // or tort (including negligence or otherwise) arising in any way out of
     40 // the use of this software, even if advised of the possibility of such damage.
     41 //
     42 //M*/
     43 
     44 #pragma once
     45 
     46 #ifndef __OPENCV_CUDEV_COMMON_HPP__
     47 #define __OPENCV_CUDEV_COMMON_HPP__
     48 
     49 #include <cuda_runtime.h>
     50 #include "opencv2/core/cuda.hpp"
     51 #include "opencv2/core/cuda_stream_accessor.hpp"
     52 
     53 namespace cv { namespace cudev {
     54 
     55 //! @addtogroup cudev
     56 //! @{
     57 
     58 using namespace cv::cuda;
     59 
     60 // CV_CUDEV_ARCH
     61 
     62 #ifndef __CUDA_ARCH__
     63 #   define CV_CUDEV_ARCH 0
     64 #else
     65 #   define CV_CUDEV_ARCH __CUDA_ARCH__
     66 #endif
     67 
     68 // CV_CUDEV_SAFE_CALL
     69 
     70 __host__ __forceinline__ void checkCudaError(cudaError_t err, const char* file, const int line, const char* func)
     71 {
     72     if (cudaSuccess != err)
     73         cv::error(cv::Error::GpuApiCallError, cudaGetErrorString(err), func, file, line);
     74 }
     75 
     76 #define CV_CUDEV_SAFE_CALL(expr) cv::cudev::checkCudaError((expr), __FILE__, __LINE__, CV_Func)
     77 
     78 // divUp
     79 
     80 __host__ __device__ __forceinline__ int divUp(int total, int grain)
     81 {
     82     return (total + grain - 1) / grain;
     83 }
     84 
     85 // math constants
     86 
     87 #define CV_PI_F   ((float)CV_PI)
     88 #define CV_LOG2_F ((float)CV_LOG2)
     89 
     90 //! @}
     91 
     92 }}
     93 
     94 #endif
     95