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#ifndef __OPENCV_CUDA_SHARED_HPP__
#define __OPENCV_CUDA_SHARED_HPP__

#include "opencv2/gpu/devmem2d.hpp"
#include "cuda_runtime_api.h"   

namespace cv
{
    namespace gpu
    {   
        typedef unsigned char uchar;
        typedef unsigned short ushort;
        typedef unsigned int uint;        

        extern "C" void error( const char *error_string, const char *file, const int line, const char *func = "");

        namespace impl
        {   
            static inline int divUp(int a, int b) { return (a % b == 0) ? a/b : a/b + 1; }

            extern "C" void stereoBM_GPU(const DevMem2D& left, const DevMem2D& right, DevMem2D& disp, int maxdisp, DevMem2D_<uint>& minSSD_buf);
        }
    }
}

#if defined(__GNUC__)
    #define cudaSafeCall(expr)  ___cudaSafeCall(expr, __FILE__, __LINE__, __func__);
#else /* defined(__CUDACC__) || defined(__MSVC__) */
    #define cudaSafeCall(expr)  ___cudaSafeCall(expr, __FILE__, __LINE__) 
#endif

    static inline void ___cudaSafeCall(cudaError_t err, const char *file, const int line, const char *func = "")
    {
        if( cudaSuccess != err) 
            cv::gpu::error(cudaGetErrorString(err), __FILE__, __LINE__, func);
    }

#endif /* __OPENCV_CUDA_SHARED_HPP__ */