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#ifndef NUMERIC_HELPERS_INL_H_
#error "Direct inclusion of this file is not allowed, include numeric_helpers.h"
// For the sake of sane code completion.
#include "numeric_helpers.h"
#endif
#include <cstdlib>
#include <cinttypes>
#include <cmath>
#include <algorithm>
#include <util/system/compiler.h>
namespace NYT {
////////////////////////////////////////////////////////////////////////////////
template <class T>
T DivCeil(const T& numerator, const T& denominator)
{
YT_VERIFY(denominator != 0);
auto res = std::div(numerator, denominator);
return res.quot + (res.rem > static_cast<T>(0) ? static_cast<T>(1) : static_cast<T>(0));
}
template <typename T>
T DivRound(const T& numerator, const T& denominator)
{
auto res = std::div(numerator, denominator);
return res.quot + (res.rem >= (denominator + 1) / 2 ? static_cast<T>(1) : static_cast<T>(0));
}
template <class T>
T RoundUp(const T& numerator, const T& denominator)
{
return DivCeil(numerator, denominator) * denominator;
}
template <class T>
T RoundDown(const T& numerator, const T& denominator)
{
return (numerator / denominator) * denominator;
}
template <class T>
Y_FORCE_INLINE int GetSign(const T& value)
{
if (value < 0) {
return -1;
} else if (value > 0) {
return +1;
} else {
return 0;
}
}
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
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