NAME¶

std::ratio< _Num, _Den > -

SYNOPSIS¶

Public Member Functions¶

static_assert (_Den!=0,'denominator cannot be zero') static_assert (_Num >=-__INTMAX_MAX__ &&_Den >=-__INTMAX_MAX__,'out of range')

Static Public Attributes¶

static const intmax_t den static const 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;

Definition at line 151 of file ratio.

Author¶

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