std::ratio_less – cppreference.com

Aus cppreference.com

definiert in Header `<ratio>`

`template< class R1, class R2 > struct ratio_less : std::integral_constant;`

Wenn das Verhältnis R1 kleiner ist als das Verhältnis R2 stellt die Elementkonstante value gleich true. Ansonsten ist value 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.

Inherited from std::integral_constant

Member constants

true wenn R1::num * R2::den < R2::num * R1::den, or equivalent expression that avoids overflow , false anders

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.

(public static Mitglied konstanten)

Member functions


	wandelt das Objekt `bool`, gibt `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. (öffentliche Elementfunktion)

Member types


Type 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>`

Beispiel

#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";
    }
}

Output: