cuda-samples/Samples/5_Domain_Specific/HSOpticalFlow/common.h
2022-01-13 11:35:24 +05:30

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2.8 KiB
C++

/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
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* * Redistributions of source code must retain the above copyright
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* * Neither the name of NVIDIA CORPORATION nor the names of its
* contributors may be used to endorse or promote products derived
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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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 = 32;
///////////////////////////////////////////////////////////////////////////////
// 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