std::ratio_less
De cppreference.com
 | This page has been machine-translated from the English version of the wiki using Google Translate. The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here. |
Déclaré dans l'en-tête <ratio> | ||
template<class R1, class R2 > struct ratio_less :std::integral_constant; | ||
Si le rapport R1 est inférieur à la proportion R2, fournit l'élément constant
valuetrue égale. Sinon, value est false .Original:
If the ratio R1 is less than the ratio R2, 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.
Sommaire |
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::den< R2::num* R1::den, or equivalent expression that avoids overflow , false autrement Original: true if R1::num* R2::den< R2::num* R1::den, or equivalent expression that avoids overflow , 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 valueOriginal: converts the object to bool, returns valueThe 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 | bool |
type | std::integral_constant<bool, value> |
[modifier]Exemple
#include <iostream>#include <ratio> int main(){if(std::ratio_less<std::ratio<23,37>, std::ratio<57,90>>::value){std::cout<<"23/37 < 57/90\n";}}
Résultat :
23/37 < 57/90
