std::ratio< _Num, _Den >(3)

NAME
std::ratio< _Num, _Den > - Provides compile-time rational arithmetic.

SYNOPSIS

#include <ratio>

  Public Types
typedef ratio< num, den > type

  Static Public Attributes
static constexpr intmax_t den
static constexpr intmax_t num

Detailed Description

  template<intmax_t _Num, intmax_t _Den = 1>
struct std::ratio< _Num, _Den >"Provides compile-time rational arithmetic. This class template represents any finite rational number with a numerator and denominator representable by compile-time constants of type intmax_t. The ratio is simplified when instantiated.

For example:

std::ratio<7,-21>::num == -1;
std::ratio<7,-21>::den == 3;

Author

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