std::uniform_real_distribution
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Definido no cabeçalho <random>
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template< class RealType = double > class uniform_real_distribution; |
(desde C++11) | |
Produz aleatória de ponto flutuante de valores i, uniformemente distribuída pelo
[a, b)
intervalo, isto é, distribuídas de acordo com a função de probabilidade:Original:
Produces random floating-point values i, uniformly distributed on the interval
[a, b)
, that is, distributed according to the probability function: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.
- P(i|a,b) =
.1 b − a
[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 |
result_type
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RealType |
param_type
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o tipo do conjunto de parâmetros, não especificado
Original: the type of the parameter set, unspecified The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[editar] Funções de membro
constrói nova distribuição Original: constructs new distribution The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) | |
redefine o estado interno da distribuição Original: resets the internal state of the distribution The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) | |
Original: Generation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | |
gera o próximo número aleatório na distribuição Original: generates the next random number in the distribution The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) | |
Original: Characteristics The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | |
retorna a um parâmetro de distribuição' (valor mínimo) Original: returns the a distribution parameter (minimum value) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) | |
retorna o parâmetro de distribuição b (valor máximo) Original: returns the b distribution parameter (maximum value) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) | |
obtém ou define o objeto de parâmetro de distribuição Original: gets or sets the distribution parameter object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) | |
retorna o valor mínimo potencialmente gerado Original: returns the minimum potentially generated value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) | |
retorna o valor máximo potencialmente gerado Original: returns the maximum potentially generated value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) |
[editar] Não-membros funções
compara dois objetos de distribuição Original: compares two distribution objects The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função) | |
executa fluxo de entrada e saída em pseudo-aleatório distribuição de números Original: performs stream input and output on pseudo-random number distribution The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função) |
[editar] Exemplo
imprimir 10 números aleatórios entre 1 e 2
Original:
print 10 random numbers between 1 and 2
The text has been machine-translated via Google Translate.
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#include <random> #include <iostream> int main() { std::random_device rd; std::mt19937 gen(rd()); std::uniform_real_distribution<> dis(1, 2); for (int n = 0; n < 10; ++n) { std::cout << dis(gen) << ' '; } std::cout << '\n'; }
Saída:
1.80829 1.15391 1.18483 1.38969 1.36094 1.0648 1.97798 1.27984 1.68261 1.57326