std::generate_canonical
De cppreference.com
 |
Esta página se ha traducido por ordenador/computador/computadora de la versión en inglés de la Wiki usando Google Translate.
La traducción puede contener errores y palabras aparatosas/incorrectas. Planea sobre el texto para ver la versión original. Puedes ayudar a corregir los errores y mejorar la traducción. Para instrucciones haz clic aquí. |
| template< class RealType, size_t bits, class Generator > RealType generate_canonical( Generator& g ); |
(desde C++11) | |
Genera un número aleatorio en coma flotante en el rango [0; 1) .
Original:
Generates a random floating point number in range [0; 1).
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.
g() se llama tantas veces como sea necesario para generar suficiente entropía, es decir, a veces menos max(1, ⌈ min(b
1, b
2) / log
2 R ⌉), donde
1, b
2) / log
2 R ⌉), donde
Original:
g() is called as many times as needed to generate enough entropy, i.e. at least max(1, ⌈ min(b
1, b
2) / log
2 R ⌉) times, where
1, b
2) / log
2 R ⌉) times, where
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.
- b1 = std::numeric_limits<RealType>::digits
- b2 = std::numeric_limits<RealType>::bits
- R = g.max() - g.min() + 1.
Contenido |
[editar] Parámetros
| g | - | generador de usar para adquirir la entropía
Original: generator to use to acquire entropy The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[editar] Valor de retorno
Valor de punto flotante en el rango [0; 1) .
Original:
Floating point value in range [0; 1).
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] Excepciones
Ninguno excepto de aquellos arrojados por
gOriginal:
None except from those thrown by
gThe 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] Ejemplo
producir números aleatorios con 10 bits de aleatoriedad: esto puede producir solamente 1024 valores distintos
Original:
produce random numbers with 10 bits of randomness: this may produce only 1024 distinct values
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.
Ejecuta este código
#include <random> #include <iostream> int main() { std::random_device rd; std::mt19937 gen(rd()); for(int n=0; n<10; ++n) { std::cout << std::generate_canonical<double, 10>(gen) << ' '; } }
Salida:
0.208143 0.824147 0.0278604 0.343183 0.0173263 0.864057 0.647037 0.539467 0.0583497 0.609219
[editar] Ver también
| (C++11) |
Produce valores reales distribuidos uniformemente en un rango. (plantilla de clase) |
