std::generate

 

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Funktionen Original: Functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Nicht-modifizierende Sequenz Operationen Original: Non-modifying sequence operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
all_of any_of none_of (C++11) (C++11) (C++11) for_each count count_if mismatch equal	find find_if find_if_not (C++11) find_end find_first_of adjacent_find search search_n
Modifizierende Sequenz Operationen Original: Modifying sequence operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
copy copy_if (C++11) copy_n (C++11) copy_backward move (C++11) move_backward (C++11) fill fill_n transform generate generate_n remove remove_if remove_copy remove_copy_if	replace replace_if replace_copy replace_copy_if swap swap_ranges iter_swap reverse reverse_copy rotate rotate_copy random_shuffle shuffle   (C++11) unique unique_copy
Partitionierungsoperationen Original: Partitioning operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
is_partitioned (C++11) partition partition_copy (C++11)	stable_partition partition_point (C++11)
Sortierung Operationen (auf sortierten Bereiche) Original: Sorting operations (on sorted ranges) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
is_sorted (C++11) is_sorted_until (C++11) sort	partial_sort partial_sort_copy stable_sort nth_element
Binary Suchaktionen (auf sortierten Bereiche) Original: Binary search operations (on sorted ranges) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
lower_bound upper_bound	binary_search equal_range
Set-Operationen (auf sortierten Bereiche) Original: Set operations (on sorted ranges) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
merge inplace_merge includes	set_difference set_intersection set_symmetric_difference set_union
Heap-Operationen Original: Heap operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
is_heap is_heap_until (C++11) make_heap	push_heap pop_heap sort_heap
Minimum / Maximum Operationen Original: Minimum/maximum operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
max max_element min min_element minmax (C++11) minmax_element (C++11)	lexicographical_compare is_permutation (C++11) next_permutation prev_permutation
Numerische Operationen Original: 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
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qsort	bsearch

 

definiert in Header <algorithm>
template<class ForwardIt, class Generator > void generate( ForwardIt first, ForwardIt last, Generator g );

Weist jedes Element im Bereich [first, last) ein Wert der gegebenen Funktion Objekt generiert g .

Original:

Assigns each element in range [first, last) a value generated by the given function object g.

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Parameter

first, last	-	der Bereich der Elemente zu erzeugen Original: the range of elements to generate The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
g	-	generator function object that will be called. The signature of the function should be equivalent to the following: Ret fun(); The type  Ret must be such that an object of type ForwardIt can be dereferenced and assigned a value of type  Ret. ​
Type requirements
- ForwardIt must meet the requirements of ForwardIterator.

Rückgabewert

(None)

Original:

(none)

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Komplexität

Genau std::distance(first, last) Anrufungen g() und Aufgaben .

Original:

Exactly std::distance(first, last) invocations of g() and assignments.

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Mögliche Implementierung

template<class ForwardIt, class Generator>void generate(ForwardIt first, ForwardIt last, Generator g){while(first != last){*first++= g();}}

Beispiel

Der folgende Code verwendet füllt einen Vektor mit Zufallszahlen:

Original:

The following code uses fills a vector with random numbers:

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#include <algorithm>#include <iostream>#include <cstdlib>   int main(){std::vector<int> v(5); std::generate(v.begin(), v.end(), std::rand);// Using the C function rand()   std::cout<<"v: ";for(auto iv: v){std::cout<< iv <<" ";}std::cout<<"\n";}

Output:

v: 52894 15984720 41513563 41346135 51451456

Siehe auch

fill	weist eine Reihe von Elementen ein bestimmter Wert Original: assigns a range of elements a certain value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)
generate_n	speichert das Ergebnis der N-Anwendungen einer Funktion Original: saves the result of N applications of a function The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)