调试

从网上抄来的几个处理错误的宏

// 应该是因为定义在了头文件里，所以用了static
static void HandleError( cudaError_t err,
                         const char *file,
                         int line ) {
    if (err != cudaSuccess) {
        printf( "%s in %s at line %d\n", cudaGetErrorString( err ),
                file, line );
        exit( EXIT_FAILURE );
    }
}
#define HANDLE_ERROR( err ) (HandleError( err, __FILE__, __LINE__ ))
 
 
#define HANDLE_NULL( a ) {if (a == NULL) { \
                            printf( "Host memory failed in %s at line %d\n", \
                                    __FILE__, __LINE__ ); \
                            exit( EXIT_FAILURE );}}

// check cuda error
inline void check(cudaError_t call, const char* file, const int line)
{
    if (call != cudaSuccess)
    {
        std::cout << "cuda error: " << cudaGetErrorName(call) << std::endl;
        std::cout << "at file: " << file << ", line: " << line << std::endl;
        std::cout << cudaGetErrorString(call) << std::endl;
    }
}
 
#define CHECK(call) (check(call, __FILE__, __LINE__))