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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.
 *  * Redistributions 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.
 *  * Neither the name of 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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#ifndef _FDTD3DGPU_H_
#define _FDTD3DGPU_H_

#include <cstddef>
#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || \
    defined(_WIN64) && defined(_MSC_VER)
typedef unsigned __int64 memsize_t;
#else
#include <stdint.h>
typedef uint64_t memsize_t;
#endif

#define k_blockDimX 32
#define k_blockDimMaxY 16
#define k_blockSizeMin 128
#define k_blockSizeMax (k_blockDimX * k_blockDimMaxY)

bool getTargetDeviceGlobalMemSize(memsize_t *result, const int argc,
                                  const char **argv);
bool fdtdGPU(float *output, const float *input, const float *coeff,
             const int dimx, const int dimy, const int dimz, const int radius,
             const int timesteps, const int argc, const char **argv);

#endif