std::valarray::valarray

来自cppreference.com
< cpp‎ | numeric‎ | valarray

valarray();
(1)
explicit valarray( size_t count );
(2)
valarray( const T& val, size_t count );
(3)
valarray( const T* vals, size_t count );
(4)
valarray( const valarray& other );
(5)
valarray( valarray&& other );
(6) (C++11 起)
valarray( const std::slice_array<T>& );
(7)
valarray( const std::gslice_array<T>& );
(8)
valarray( const std::mask_array<T>& );
(9)
valarray( const std::indirect_array<T>& );
(10)
valarray( std::initializer_list<T> il );
(11) (C++11 起)

Constructs new numeric array from various sources.

1) Default constructor. Constructs an empty numeric array.
2) Constructs a numeric array with count copies of default-initialized elements.
3) Constructs a numeric array with count copies of val or *val respectively.
4) Constructs a numeric array with copies of count values from an array pointed to by vals. If this array contains less than count values, the behavior is undefined.
5) Copy constructor. Constructs the numeric array with the copy of the contents of other.
6) Move constructor. Constructs the container with the contents of other using move semantics.
11) Constructs the numeric array with the contents of the initializer list il.

[编辑] 参数

count - the number of elements to construct
val - the value to initialize the elements with
other - another numeric array to use as source to initialize the contents
il - initializer list to initialize the elements with

[编辑] 例外

1-5)
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6)
noexcept 规定:  
noexcept
  
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原文:
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