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 * 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.
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 */

///////////////////////////////////////////////////////////////////////////////
// Header for common includes and utility functions
///////////////////////////////////////////////////////////////////////////////

#ifndef COMMON_H
#define COMMON_H

///////////////////////////////////////////////////////////////////////////////
// Common includes
///////////////////////////////////////////////////////////////////////////////

#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <memory.h>
#include <math.h>

#include <helper_cuda.h>

///////////////////////////////////////////////////////////////////////////////
// Common constants
///////////////////////////////////////////////////////////////////////////////
const int StrideAlignment = 8;

///////////////////////////////////////////////////////////////////////////////
// Common functions
///////////////////////////////////////////////////////////////////////////////

// Align up n to the nearest multiple of m
inline int iAlignUp(int n, int m = StrideAlignment) {
  int mod = n % m;

  if (mod)
    return n + m - mod;
  else
    return n;
}

// round up n/m
inline int iDivUp(int n, int m) { return (n + m - 1) / m; }

// swap two values
template <typename T>
inline void Swap(T &a, T &b) {
  T t = a;
  a = b;
  b = t;
}
#endif
