std::ratio_not_equal
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<tbody> </tbody>| Dclar dans l'en-tte <ratio>
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template< class R1, class R2 > struct ratio_not_equal : std::integral_constant; |
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Si les rapports R1 et R2 ne sont pas gaux, fournit l'lment constant
value true gale. Sinon, value est false .Original:
If the ratios R1 and R2 are not equal, provides the member constant
value equal true. Otherwise, value is false.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.
Inherited from std::integral_constant
Member constants
value [ statique ]Original: static The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
true si R1::num != R2::num || R1::den != R2::den , false autrement Original: true if R1::num != R2::num || R1::den != R2::den , false otherwise The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (constante membre statique publique) |
Member functions
operator bool |
convertit l'objet en bool, retourne value Original: converts the object to bool, returns value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre publique) |
Member types
Type d'
Original: Type The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Definition |
value_type
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bool
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type
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std::integral_constant<bool, value>
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Mise en uvre possible
template< class R1, class R2 >
struct ratio_not_equal : std::integral_constant <
bool,
!std::ratio_equal<R1, R2>
> {};
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Exemple
#include <iostream>
#include <ratio>
int main()
{
if(std::ratio_not_equal<std::ratio<2,3>, std::ratio<1,3>>::value) {
std::cout << "2/3 != 1/3\n";
} else {
std::cout << "2/3 == 1/3\n";
}
}
Rsultat :
2/3 != 1/3