util_debug.cuh

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/******************************************************************************
 * Copyright (c) 2011, Duane Merrill.  All rights reserved.
 * Copyright (c) 2011-2018, NVIDIA CORPORATION.  All rights reserved.
 * 
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 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
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 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the NVIDIA CORPORATION nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
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#pragma once

#include <stdio.h>
#include "util_namespace.cuh"
#include "util_arch.cuh"

CUB_NS_PREFIX

namespace cub {


#if (defined(DEBUG) || defined(_DEBUG)) && !defined(CUB_STDERR)
    #define CUB_STDERR
#endif



__host__ __device__ __forceinline__ cudaError_t Debug(
    cudaError_t     error,
    const char*     filename,
    int             line)
{
    (void)filename;
    (void)line;
#ifdef CUB_STDERR
    if (error)
    {
    #if (CUB_PTX_ARCH == 0)
        fprintf(stderr, "CUDA error %d [%s, %d]: %s\n", error, filename, line, cudaGetErrorString(error));
        fflush(stderr);
    #elif (CUB_PTX_ARCH >= 200)
        printf("CUDA error %d [block (%d,%d,%d) thread (%d,%d,%d), %s, %d]\n", error, blockIdx.z, blockIdx.y, blockIdx.x, threadIdx.z, threadIdx.y, threadIdx.x, filename, line);
    #endif
    }
#endif
    return error;
}


#ifndef CubDebug
    #define CubDebug(e) cub::Debug((cudaError_t) (e), __FILE__, __LINE__)
#endif


#ifndef CubDebugExit
    #define CubDebugExit(e) if (cub::Debug((cudaError_t) (e), __FILE__, __LINE__)) { exit(1); }
#endif


#if !defined(_CubLog)
    #if !(defined(__clang__) && defined(__CUDA__))
        #if (CUB_PTX_ARCH == 0)
            #define _CubLog(format, ...) printf(format,__VA_ARGS__);
        #elif (CUB_PTX_ARCH >= 200)
            #define _CubLog(format, ...) printf("[block (%d,%d,%d), thread (%d,%d,%d)]: " format, blockIdx.z, blockIdx.y, blockIdx.x, threadIdx.z, threadIdx.y, threadIdx.x, __VA_ARGS__);
        #endif
    #else
        // XXX shameless hack for clang around variadic printf...
        //     Compilies w/o supplying -std=c++11 but shows warning,
        //     so we sielence them :)
        #pragma clang diagnostic ignored "-Wc++11-extensions"
        #pragma clang diagnostic ignored "-Wunnamed-type-template-args"
            template <class... Args>
            inline __host__ __device__ void va_printf(char const* format, Args const&... args)
            {
        #ifdef __CUDA_ARCH__
              printf(format, blockIdx.z, blockIdx.y, blockIdx.x, threadIdx.z, threadIdx.y, threadIdx.x, args...);
        #else
              printf(format, args...);
        #endif
            }
        #ifndef __CUDA_ARCH__
            #define _CubLog(format, ...) va_printf(format,__VA_ARGS__);
        #else
            #define _CubLog(format, ...) va_printf("[block (%d,%d,%d), thread (%d,%d,%d)]: " format, __VA_ARGS__);
        #endif
    #endif
#endif



       // end group UtilMgmt

}               // CUB namespace
CUB_NS_POSTFIX  // Optional outer namespace(s)