std::ratio_divide
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| Definido no cabeçalho <ratio>
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| template< class R1, class R2 > using ratio_divide = /* unspecified */; |
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O modelo
std::ratio_divide apelido indica o resultado da divisão de duas frações exatas racionais representados pelas instâncias std::ratio R1 e R2. O resultado de um exemplo onde std::ratio std::ratio<Num, Denom> Num == R1::num * R2::den e Denom == R1::den * R2::num.Original:
The template alias
std::ratio_divide denotes the result of dividing two exact rational fractions represented by the std::ratio instances R1 and R2. The result a std::ratio instance std::ratio<Num, Denom> where Num == R1::num * R2::den and Denom == R1::den * R2::num.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[editar] Tipos de membro
| Tipo de membro
Original: Member type The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Definition |
type
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std::ratio<num, den> |
[editar] Constantes de membros
| num [estática] |
constexpr valor do tipo std::intmax_t igual sign(Num) * sign(Denom) * abs(Num) / gcd(Num, Denom) Original: constexpr value of type std::intmax_t equal to sign(Num) * sign(Denom) * abs(Num) / gcd(Num, Denom) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (membro estático público constante) |
| den [estática] |
constexpr valor do tipo std::intmax_t igual abs(Denom) / gcd(Num, Denom) Original: constexpr value of type std::intmax_t equal to abs(Denom) / gcd(Num, Denom) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (membro estático público constante) |
[editar] Exemplo
#include <iostream> #include <ratio> int main() { typedef std::ratio<2, 3> two_third; typedef std::ratio<1, 6> one_sixth; typedef std::ratio_divide<two_third, one_sixth> r; std::cout << "2/3 / 1/6 = " << r::num << '/' << r::den << '\n'; }
Saída:
2/3 / 1/6 = 4/1
