The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
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…
std::skipws,std::noskipws – std::skipws,std::noskipws Synopsis Defined in header <ios> std::ios_base& skipws( std::ios_base& str ); (1) std::ios_base& noskipws( std::ios_base& str ); (2) Enables or disables skipping of leading whitespace by the formatted input functions (enabled by default). Has no effect on output. 1) enables the skipws flag in the stream str as if by calling str.setf(std::ios_base::skipws) 2)…
std::size_t – std::size_t Synopsis Defined in header <cstddef> Defined in header <cstdio> Defined in header <cstdlib> Defined in header <cstring> Defined in header <ctime> Defined in header <cwchar> typedef /*implementation-defined*/ size_t; std::size_t is the unsigned integer type of the result of the sizeof operator as well as the sizeof… operator and the alignof operator (since…
std::size,std::ssize – std::size,std::ssize Synopsis Defined in header<iterator> template <class C> (1)(since C++ 17) constexpr auto size(const C &c) -> decltype(c.size()); template <class C> constexpr auto ssize(const C &c)(2)(since C++ 20) -> std::common_type_t<std::ptrdiff_t, std::make_signed_t<decltype(c.size())>>; template <class T, std::size_t N> (3)(since C++ 17) constexpr std::size_t size(const T (&array)[N]) noexcept; template <class T, std::ptrdiff_t N> (4)(since C++ 20)…
std::sinh,std::sinhf,std::sinhl – std::sinh,std::sinhf,std::sinhl Synopsis Defined in header <cmath> float sinh ( float arg ); float sinhf( float arg ); (since C++11) double sinh ( double arg ); (1) (2) long double sinh ( long double arg ); long double sinhl( long double arg ); (3) (since C++11) double sinh ( IntegralType arg ); (4) (since…
std::sinh(std::valarray) – std::sinh(std::valarray) Synopsis Defined in header<valarray> template <class T> valarray<T> sinh(const valarray<T> &va); For each element in va computes hyperbolic sine of the value of the element. Parameters va – value array to apply the operation to Return value Value array containing hyperbolic sine of the values in va. Notes Unqualified function (sinh) is…
std::sinh(std::complex) – std::sinh(std::complex) Synopsis Defined in header<complex> template <class T> (since C++ 11) complex<T> sinh(const complex<T> &z); Computes complex hyperbolic sine of a complex value z. Parameters z – complex value Return value If no errors occur, complex hyperbolic sine of z is returned Error handling and special values Errors are reported consistent with math_errhandling…
std::sin,std::sinf,std::sinl – std::sin,std::sinf,std::sinl Synopsis Defined in header <cmath> float sin ( float arg ); float sinf( float arg ); (since C++11) double sin ( double arg ); (1) (2) long double sin ( long double arg ); long double sinl( long double arg ); (3) (since C++11) double sin ( IntegralType arg ); (4) (since…