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    <metanoindex/>

     
    C++
     
    Bibliothque Numerics
    Fonctions mathmatiques courantes
    Virgule flottante environnement
    Nombres complexes
    Tableaux numriques
    La gnration de nombres pseudo-alatoires
    Moment de la compilation arithmtique rationnelle (C++11)
    Gnriques des oprations numriques
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    Generic numeric operations
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    iota (C++11)
    accumulate
    inner_product
    adjacent_difference
    partial_sum
     
    La gnration de nombres pseudo-alatoires
    Les moteurs et les adaptateurs de moteur
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    Engines and engine adaptors
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    linear_congruential_engine (C++11)
    mersenne_twister_engine (C++11)
    subtract_with_carry_engine (C++11)
    discard_block_engine (C++11)
    independent_bits_engine (C++11)
    shuffle_order_engine (C++11)
    Gnrateurs
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    Generators
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    random_device (C++11)
    Les distributions
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    Distributions
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    Distributions uniformes
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    Uniform distributions
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    uniform_int_distribution (C++11)
    uniform_real_distribution (C++11)
    generate_canonical (C++11)
    Distributions de Bernoulli
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    Bernoulli distributions
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    bernoulli_distribution (C++11)
    binomial_distribution (C++11)
    negative_binomial_distribution (C++11)
    geometric_distribution (C++11)
    Distributions de Poisson
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    Poisson distributions
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    poisson_distribution (C++11)
    exponential_distribution (C++11)
    gamma_distribution (C++11)
    weibull_distribution (C++11)
    extreme_value_distribution (C++11)
    Les distributions normales
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    Normal distributions
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    normal_distribution (C++11)
    lognormal_distribution (C++11)
    chi_squared_distribution (C++11)
    cauchy_distribution (C++11)
    fisher_f_distribution (C++11)
    student_t_distribution (C++11)
    Distributions d'chantillonnage
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    Sampling distributions
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    discrete_distribution (C++11)
    piecewise_constant_distribution (C++11)
    piecewise_linear_distribution (C++11)
    Squences de semences
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    Seed Sequences
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    seed_seq (C++11)
    Bibliothque C
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    C library
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    rand
    srand
    RAND_MAX
     
    std::seed_seq
    Les fonctions membres
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    Member functions
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    seed_seq::seed_seq
    seed_seq::generate
    seed_seq::size
    seed_seq::param
     
    <tbody> </tbody>
    Dclar dans l'en-tte <random>
    class seed_seq;
    		 (depuis C++11)
    std::seed_seq consomme une squence de valeurs entires de donnes et produit un nombre requis de i des entiers non signs, 0 i < 232
    , sur la base des donnes consommes. Les valeurs produites sont rparties sur toute la plage de 32-bit, mme si les valeurs sont proches consommes .
    Original:
    std::seed_seq consumes a sequence of integer-valued data and produces a requested number of unsigned integer values i, 0 i < 232
    , based on the consumed data. The produced values are distributed over the entire 32-bit range even if the consumed values are close.
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    Il fournit un moyen pour ensemencer un grand nombre de moteurs de nombres alatoires ou un gnrateur de semences qui ncessite beaucoup d'entropie, tant donn une petite graine ou une squence de graines mal rparties initiale .
    Original:
    It provides a way to seed a large number of random number engines or to seed a generator that requires a lot of entropy, given a small seed or a poorly distributed initial seed sequence.
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    std::seed_seq rpond aux exigences de SeedSequence .
    Original:
    std::seed_seq meets the requirements of SeedSequence.
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    Types de membres

    Type du membre Dfinition
    result_type std::uint_least32_t

    Fonctions membres
    constructions et les graines de l'objet std :: seed_seq
    Original:
    constructs and seeds the std::seed_seq object
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    (fonction membre publique)
    operator=
    (
    supprime
    Original:
    deleted
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    )
    pas de copier-cessible
    Original:
    not copy-assignable
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    (fonction membre publique)
    calcule les prjugs limins, en rpartissant les valeurs 32 bits
    Original:
    calculates the bias-eliminated, evenly distributed 32-bit values
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    (fonction membre publique)
    obtient le nombre de valeurs 32 bits stockes dans std :: seed_seq
    Original:
    obtains the number of 32-bit values stored in std::seed_seq
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    (fonction membre publique)
    obtient les valeurs 32-bits stocks dans std :: seed_seq
    Original:
    obtains the 32-bit values stored in std::seed_seq
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    (fonction membre publique)

    Exemple

    #include <random>
#include <iostream>

int main()
{
    std::seed_seq seq({1,2,3,4,5});
    std::vector<std::uint32_t> seeds(10);
    seq.generate(seeds.begin(), seeds.end());
    for(std::uint32_t n : seeds)
        std::cout << n << '\n';
}

    Rsultat : 

    4204997637
4246533866
1856049002
1129615051
690460811
1075771511
46783058
3904109078
1534123438
1495905678
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