Section 3: library functions
std::stof,std::stod,std::stold – std::stof,std::stod,std::stold Synopsis Defined in header<string> float stof(const std::string &str, std::size_t *pos = 0); (1)(since C++ 11) float stof(const std::wstring &str, std::size_t *pos = 0); double stod(const std::string &str, std::size_t *pos = 0); (2)(since C++ 11) double stod(const std::wstring &str, std::size_t *pos = 0); long double stold(const std::string &str, std::size_t *pos = 0); (3)(since…
std::static_pointer_cast,std::dynamic_pointer_cast,std::const_pointer_cast,std::reinterpret_pointer_cast – std::static_pointer_cast,std::dynamic_pointer_cast,std::const_pointer_cast,std::reinterpret_pointer_cast Synopsis Defined in header<memory> template <class T, class U> (1)(since C++ 11) std::shared_ptr<T> static_pointer_cast(const std::shared_ptr<U> &r) noexcept; template <class T, class U> (2)(since C++ 20) std::shared_ptr<T> static_pointer_cast(std::shared_ptr<U> &&r) noexcept; template <class T, class U> (3)(since C++ 11) std::shared_ptr<T> dynamic_pointer_cast(const std::shared_ptr<U> &r) noexcept; template <class T, class U> (4)(since C++ 20) std::shared_ptr<T> dynamic_pointer_cast(std::shared_ptr<U>…
std::static_pointer_cast,std::dynamic_pointer_cast,std::const_pointer_cast, – std::static_pointer_cast,std::dynamic_pointer_cast,std::const_pointer_cast, Synopsis Defined in header<memory> template <class T, class U> std::shared_ptr<T> static_pointer_cast(const std::shared_ptr<U> &(1)(since C++ 11) r) noexcept; template <class T, class U> std::shared_ptr<T> static_pointer_cast(std::shared_ptr<U> &&r)(2)(since C++ 20) noexcept; template <class T, class U> std::shared_ptr<T> dynamic_pointer_cast(const std::shared_ptr<U> &(3)(since C++ 11) r) noexcept; template <class T, class U> std::shared_ptr<T> dynamic_pointer_cast(std::shared_ptr<U> &&r)(4)(since C++ 20) noexcept;…
std::stack<T,Container>::~stack – std::stack<T,Container>::~stack Synopsis ~stack(); Destructs the container adaptor. The destructors of the elements are called and the used storage is deallocated. Note, that if the elements are pointers, the pointed-to objects are not destroyed. Complexity Linear in the size of the container adaptor.
std::stable_sort – std::stable_sort Synopsis Defined in header<algorithm> template <class RandomIt> (1) void stable_sort(RandomIt first, RandomIt last); template <class ExecutionPolicy, class RandomIt> (2)(since C++ 17) void stable_sort(ExecutionPolicy &&policy, RandomIt first, RandomIt last); template <class RandomIt, class Compare> (3) void stable_sort(RandomIt first, RandomIt last, Compare comp); template <class ExecutionPolicy, class RandomIt, class Compare> (4)(since C++ 17) void…
std::stable_partition – std::stable_partition Synopsis Defined in header <algorithm> template< class BidirIt, class UnaryPredicate > (1) BidirIt stable_partition( BidirIt first, BidirIt last, UnaryPredicate p ); template< class ExecutionPolicy, class BidirIt, class UnaryPredicate > (2) (since C++17) BidirIt stable_partition( ExecutionPolicy&& policy, BidirIt first, BidirIt last, UnaryPredicate p ); 1) Reorders the elements in the range [first, last)…
std::srand – std::srand Synopsis Defined in header<cstdlib> void srand(unsigned seed); Seeds the pseudo-random number generator used by std::rand() with the value seed. If rand() is used before any calls to srand(), rand() behaves as if it was seeded with srand(1). Each time rand() is seeded with the same seed, it must produce the same sequence…
std::sqrt,std::sqrtf,std::sqrtl – std::sqrt,std::sqrtf,std::sqrtl Synopsis Defined in header <cmath> float sqrt ( float arg ); float sqrtf( float arg ); (since C++11) double sqrt ( double arg ); (1) (2) long double sqrt ( long double arg ); long double sqrtl( long double arg ); (3) (since C++11) double sqrt ( IntegralType arg ); (4) (since…
std::sqrt(std::valarray) – std::sqrt(std::valarray) Synopsis Defined in header<valarray> template <class T> valarray<T> sqrt(const valarray<T> &va); For each element in va computes the square root of the value of the element. Parameters va – value array to apply the operation to Return value Value array containing square roots of the values in va. Notes Unqualified function (sqrt)…
std::sqrt(std::complex) – std::sqrt(std::complex) Synopsis Defined in header<complex> template <class T> complex<T> sqrt(const complex<T> &z); Computes the square root of the complex number z with a branch cut along the negative real axis. Parameters z – complex number to take the square root of Return value If no errors occur, returns the square root of z,…
std::sph_neumann,std::sph_neumannf,std::sph_neumannl – std::sph_neumann,std::sph_neumannf,std::sph_neumannl Synopsis double sph_neumann ( unsigned n, double x ); float sph_neumann ( unsigned n, float x ); long double sph_neumann ( unsigned n, long double x ); (1) (since C++17) float sph_neumannf( unsigned n, float x ); long double sph_neumannl( unsigned n, long double x ); double sph_neumann( unsigned n, IntegralType x…
std::sph_legendre,std::sph_legendref,std::sph_legendrel – std::sph_legendre,std::sph_legendref,std::sph_legendrel Synopsis double sph_legendre ( unsigned l, unsigned m, double θ ); float sph_legendre ( unsigned l, unsigned m, float θ ); long double sph_legendre ( unsigned l, unsigned m, long double θ );(1) (since C++17) float sph_legendref( unsigned l, unsigned m, float θ ); long double sph_legendrel( unsigned l, unsigned m, long…
std::sph_bessel,std::sph_besself,std::sph_bessell – std::sph_bessel,std::sph_besself,std::sph_bessell Synopsis double sph_bessel ( unsigned n, double x ); float sph_bessel ( unsigned n, float x ); long double sph_bessel ( unsigned n, long double x ); (1) (since C++17) float sph_besself( unsigned n, float x ); long double sph_bessell( unsigned n, long double x ); double sph_bessel( unsigned n, IntegralType x…
std::span<T,Extent>::subspan – std::span<T,Extent>::subspan Synopsis template <std::size_t Offset, std::size_t Count = std::dynamic_extent> (1) constexpr std::span<element_type, E /* see below */> subspan() const; constexpr std::span<element_type, std::dynamic_extent> subspan(std::size_t Offset, (2) std::size_t Count = std::dynamic_extent) const; Obtains a span that is a view over the Count elements of this span starting at offset Offset. If Count is std::dynamic_extent, the…
std::sort_heap – std::sort_heap Synopsis Defined in header<algorithm> template <class RandomIt> (until C++ 20) void sort_heap(RandomIt first, RandomIt last); template <class RandomIt> (since C++ 20) constexpr void sort_heap(RandomIt first, RandomIt last); (1) template <class RandomIt, class Compare> (until C++ 20) void sort_heap(RandomIt first, RandomIt last, Compare comp); (2) template <class RandomIt, class Compare> (since C++ 20)…
std::sort – std::sort Synopsis Defined in header<algorithm> template <class RandomIt> (until C++ 20) void sort(RandomIt first, RandomIt last); template <class RandomIt> (since C++ 20) constexpr void sort(RandomIt first, RandomIt last); template <class ExecutionPolicy, class RandomIt> (2)(since C++ 17) void sort(ExecutionPolicy &&policy, RandomIt first, RandomIt last); (1) template <class RandomIt, class Compare> (until C++ 20) void…
std::slice_array<T>::~slice_array – std::slice_array<T>::~slice_array Synopsis ~slice_array(); Destroys the indexes in the array. The elements referred to by the object are not modified.
std::slice_array<T>::operator= – std::slice_array<T>::operator= Synopsis void operator=(const T &value) const; (1) void operator=(const std::valarray<T> &val_arr) const; (2) const slice_array & operator=(const slice_array &sl_arr) const; (3)(since C++ 11) Assigns values to all referred elements. 1) Assigns value to all of the elements. 2) Assigns the elements of val_arr to the referred to elements of *this. 3) Assigns…
std::slice_array – std::slice_array Synopsis Defined in header <valarray> template< class T > class slice_array; std::slice_array is a helper template used by std::slice subscript operator. It has reference semantics to a subset of the array specified by the std::slice object. Member types Type Definition value_type T Member functions constructs a slice_array constructor (public member function) destroys…
std::slice – std::slice Synopsis Defined in header <valarray> class slice; std::slice is the selector class that identifies a subset of std::valarray similar to BLAS slice. An object of type std::slice holds three values: the starting index, the stride, and the total number of values in the subset. Objects of type std::slice can be used as…