Namespace
Varianti

std::srand

Da cppreference.com.
< cpp‎ | numeric‎ | random

 
 
Numeri libreria
Comuni funzioni matematiche
Virgola mobile ambiente
I numeri complessi
Array numerici
Pseudo-casuale generazione
In fase di compilazione aritmetica razionale (C++11)
Generici operazioni numeriche
Original:
Generic numeric operations
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iota(C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
Pseudo-casuale generazione
Motori e adattatori del motore
Original:
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)
Generatori
Original:
Generators
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random_device(C++11)
Distribuzioni
Original:
Distributions
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Distribuzioni uniformi
Original:
Uniform distributions
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uniform_int_distribution(C++11)
uniform_real_distribution(C++11)
generate_canonical(C++11)
Bernoulli distribuzioni
Original:
Bernoulli distributions
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bernoulli_distribution(C++11)
binomial_distribution(C++11)
negative_binomial_distribution(C++11)
geometric_distribution(C++11)
Poisson distribuzioni
Original:
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)
Distribuzioni normali
Original:
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)
Distribuzioni di campionamento
Original:
Sampling distributions
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discrete_distribution(C++11)
piecewise_constant_distribution(C++11)
piecewise_linear_distribution(C++11)
Seed Sequenze
Original:
Seed Sequences
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seed_seq(C++11)
Libreria C
Original:
C library
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rand
srand
RAND_MAX
 
Defined in header <cstdlib>
void srand( unsigned seed );
Inizializza il generatore di numeri casuali utilizzato per generare i valori per rand() con il valore del seme seed.
Original:
Initializes the built-in random number generator used to generate values for rand() with the seed value seed.
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Indice

[modifica] Parametri

seed -
il seme valore
Original:
the seed value
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[modifica] Valore di ritorno

(Nessuno)
Original:
(none)
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[modifica] Esempio

[modifica] Vedi anche

genera un numero pseudo-casuale
Original:
generates a pseudo-random number
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(funzione) [edit]
C documentation for srand