Namensräume
Varianten
Aktionen

std::seed_seq::seed_seq

Aus cppreference.com
< cpp‎ | numeric‎ | random‎ | seed seq

 
 
Numerik-Bibliothek
Gemeinsame mathematischen Funktionen
Floating-Point-Umgebung
Komplexe Zahlen
Numerische Arrays
Pseudo-Zufallszahlen
Compile-time rationale Arithmetik (C++11)
Generische numerische Operationen
Original:
Generic numeric operations
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
iota(C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
Pseudo-Zufallszahlen
Motoren und Adaptern
Original:
Engines and engine adaptors
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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)
Generatoren
Original:
Generators
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
random_device(C++11)
Ausschüttungen
Original:
Distributions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Uniform-Distributionen
Original:
Uniform distributions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
uniform_int_distribution(C++11)
uniform_real_distribution(C++11)
generate_canonical(C++11)
Bernoulli-Distributionen
Original:
Bernoulli distributions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
bernoulli_distribution(C++11)
binomial_distribution(C++11)
negative_binomial_distribution(C++11)
geometric_distribution(C++11)
Poisson-Verteilungen
Original:
Poisson distributions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
poisson_distribution(C++11)
exponential_distribution(C++11)
gamma_distribution(C++11)
weibull_distribution(C++11)
extreme_value_distribution(C++11)
Normalverteilungen
Original:
Normal distributions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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)
Sampling-Distributionen
Original:
Sampling distributions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
discrete_distribution(C++11)
piecewise_constant_distribution(C++11)
piecewise_linear_distribution(C++11)
Seed-Sequenzen
Original:
Seed Sequences
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
seed_seq(C++11)
C-Bibliothek
Original:
C library
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
rand
srand
RAND_MAX
 
std::seed_seq
Member-Funktionen
Original:
Member functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
seed_seq::seed_seq
seed_seq::generate
seed_seq::size
seed_seq::param
 
seed_seq();
(1) (seit C++11)
seed_seq( const seed_seq& ) = delete;
(2) (seit C++11)
template< class InputIt >
seed_seq( InputIt begin, InputIt end );
(3) (seit C++11)
template< class T >
seed_seq( std::initializer_list<T> il );
(4) (seit C++11)
1)
Der Standardkonstruktor erzeugt einen std::seed_seq Objekt mit einer anfänglichen Seed-Sequenz der Länge Null .
Original:
The default constructor creates a std::seed_seq object with an initial seed sequence of length zero.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
2)
Der Copy-Konstruktor wird gelöscht: std::seed_seq kann nicht kopiert werden .
Original:
The copy constructor is deleted: std::seed_seq is not copyable.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
3)
Erzeugt ein std::seed_seq mit dem ersten Seed-Sequenz durch Iteration über den Bereich [begin, end) und Kopieren der Werte durch Dereferenzierung des Iterators erhaltenen, modulo 232
(das heißt, die unteren 32 Bits werden kopiert)
Original:
Constructs a std::seed_seq with the initial seed sequence obtained by iterating over the range [begin, end) and copying the values obtained by dereferencing the iterator, modulo 232
(that is, the lower 32 bits are copied)
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
4)
Entspricht seed_seq(il.begin(), il.end()). Dieser Konstruktor ermöglicht list-Initialisierung .
Original:
Equivalent to seed_seq(il.begin(), il.end()). This constructor enables list-Initialisierung.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[Bearbeiten] Parameter

begin, end -
die anfängliche Seed-Sequenz als ein Paar von Eingangs Iteratoren deren std::iterator_traits<>::value_type eine ganze Zahl Typ dargestellt
Original:
the initial seed sequence represented as a pair of input iterators whose std::iterator_traits<>::value_type is an integer type
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
il -
std::initializer_list von Objekten vom Typ Integer, die Bereitstellung der iniial Seed-Sequenz
Original:
std::initializer_list of objects of integer type, providing the iniial seed sequence
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Type requirements
-
InputIt must meet the requirements of InputIterator.

[Bearbeiten] Beispiel

#include <random>
#include <sstream>
#include <iterator>
int main()
{
    std::seed_seq s1; // default-constructible
    std::seed_seq s2{1, 2, 3}; // can use list-initialization
    std::seed_seq s3 = {-1, 0, 1}; // another form of list-initialization
    int a[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
    std::seed_seq s4(a, a + 10); // can use iterators
    std::istringstream buf("1 2 3 4 5"); 
    std::istream_iterator<int> beg(buf), end;
    std::seed_seq s5(beg, end); // even stream input iterators
}