Defined in header <cctype> int iscntrl( int ch ); Checks if the given character is a control character as classified by the currently installed C locale. In the default, "C" locale, the control characters are the characters with the codes 0x00-0x1F and 0x7F. The behavior is undefined if the value of ch is not representable as unsigned char and is not equal to EOF. Parameters ch - character to classify Return value Non-zero value if the character is a control c

void set_value_at_thread_exit( const R& value ); (1) (member only of generic promise template)(since C++11) void set_value_at_thread_exit( R&& value ); (2) (member only of generic promise template)(since C++11) void set_value_at_thread_exit( R& value ); (3) (member only of promise<R&> template specialization)(since C++11) void set_value_at_thread_exit() (4) (member only of promise<void> template specialization)(since C++11) Stores the va

Defined in header <system_error> template<> struct hash<error_code>; (since C++11) The template specialization of std::hash for std::error_code allows users to obtain hashes of objects of type std::error_code.

size_type max_size() const; (since C++11) Returns the maximum number of elements the container is able to hold due to system or library implementation limitations, i.e. std::distance(begin(), end()) for the largest container. Parameters (none). Return value Maximum number of elements. Exceptions noexcept specification: noexcept Complexity Constant. Notes This value is typically equal to std::numeric_limits<size_type>::max(), and reflects the theoretical limit on t

void wait() const; (since C++11) Blocks until the result becomes available. valid() == true after the call. The behavior is undefined if valid()== false before the call to this function. Parameters (none). Return value (none). Exceptions (none). Notes The implementations are encouraged to detect the case when valid == false before the call and throw a std::future_error with an error condition of std::future_errc::no_state. Calling wait on the same std::shared_future from mul

Defined in header <cmath> float atan2( float y, float x ); (1) double atan2( double y, double x ); (2) long double atan2( long double y, long double x ); (3) Promoted atan2( Arithmetic1 y, Arithmetic2 x ); (4) (since C++11) Computes the arc tangent of y/x using the signs of arguments to determine the correct quadrant. 4) A set of overloads or a function template for all combinations of arguments of arithmetic type not covered by 1-3). If any

iterator erase( const_iterator pos ); (1) (since C++11) iterator erase( const_iterator first, const_iterator last ); (2) (since C++11) size_type erase( const key_type& key ); (3) (since C++11) Removes specified elements from the container. 1) Removes the element at pos. 2) Removes the elements in the range [first; last), which must be a valid range in *this. 3) Removes the element (if one exists) with the key equivalent to key. References and iterators to the erased e

Defined in header <valarray> template <class T> std::valarray<T> operator+ (const std::valarray<T>& lhs, const std::valarray<T>& rhs); template <class T> std::valarray<T> operator- (const std::valarray<T>& lhs, const std::valarray<T>& rhs); template <class T> std::valarray<T> operator* (const std::valarray<T>& lhs, const std::valarray<T>& rhs); template <class T> std::valarray<

(1) explicit basic_string( const Allocator& alloc = Allocator() ); (until C++14) basic_string() : basic_string( Allocator() ) {} explicit basic_string( const Allocator& alloc ); (since C++14) basic_string( size_type count, CharT ch, const Allocator& alloc = Allocator() ); (2) basic_string( const basic_string& other, size_type pos, size_type count = std::basic_string::npos, const Allocato

This header is part of the numeric library. Classes valarray numeric arrays and array slices (class template) slice BLAS-like slice of a valarray: starting index, length, stride (class) slice_array proxy to a subset of a valarray after applying a slice (class template) gslice generalized slice of a valarray: starting index, set of lengths, set of strides (class) gslice_array proxy to a subset of a valarray after applying a gslice (class template) mask_array proxy