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::forward_as_tuple – std::forward_as_tuple Synopsis Defined in header <tuple> template< class… Types > (since C++11) tuple<Types&&…> forward_as_tuple( Types&&… args ) noexcept; (constexpr since C++14) Constructs a tuple of references to the arguments in args suitable for forwarding as an argument to a function. The tuple has rvalue reference data members when rvalues are used as arguments,…
std::forward – std::forward Synopsis Defined in header <utility> template< class T > (1) (since C++11) T&& forward( typename std::remove_reference<T>::type& t ) noexcept; (until C++14) template< class T > (1) (since C++14) constexpr T&& forward( typename std::remove_reference<T>::type& t ) noexcept; template< class T > (2) (since C++11) T&& forward( typename std::remove_reference<T>::type&& t ) noexcept; (until C++14)…
std::for_each_n – std::for_each_n Synopsis Defined in header <algorithm> template< class InputIt, class Size, class UnaryFunction > (since C++17) InputIt for_each_n( InputIt first, Size n, UnaryFunction f ); (until C++20) template< class InputIt, class Size, class UnaryFunction > (1) (since C++20) constexpr InputIt for_each_n( InputIt first, Size n, UnaryFunction f ); template< class ExecutionPolicy, class ForwardIt,…
std::for_each – std::for_each Synopsis Defined in header<algorithm> template <class InputIt, class UnaryFunction> (until C++ 20) UnaryFunction for_each(InputIt first, InputIt last, UnaryFunction f); template <class InputIt, class UnaryFunction> (1)(since C++ 20) constexpr UnaryFunction for_each(InputIt first, InputIt last, UnaryFunction f); template <class ExecutionPolicy, class ForwardIt, class UnaryFunction2> (2)(since C++ 17) void for_each(ExecutionPolicy &&policy, ForwardIt first, ForwardIt last,…
std::fopen – std::fopen Synopsis Defined in header<cstdio> std::FILE *fopen(const char *filename, const char *mode); Opens a file indicated by filename and returns a file stream associated with that file. mode is used to determine the file access mode. Parameters filename – file name to associate the file stream to null-terminated character string determining file access…
std::fmod,std::fmodf,std::fmodl – std::fmod,std::fmodf,std::fmodl Synopsis Defined in header <cmath> float fmod ( float x, float y ); float fmodf( float x, float y ); (since C++11) double fmod ( double x, double y ); (1) (2) long double fmod ( long double x, long double y ); long double fmodl( long double x, long double y…
std::fmin,std::fminf,std::fminl – std::fmin,std::fminf,std::fminl Synopsis Defined in header <cmath> float fmin ( float x, float y ); (1) (since C++11) float fminf( float x, float y ); double fmin ( double x, double y ); (2) (since C++11) long double fmin ( long double x, long double y ); (3) (since C++11) long double fminl( long…
std::fmax,std::fmaxf,std::fmaxl – std::fmax,std::fmaxf,std::fmaxl Synopsis Defined in header <cmath> float fmax ( float x, float y ); (1) (since C++11) float fmaxf( float x, float y ); double fmax ( double x, double y ); (2) (since C++11) long double fmax ( long double x, long double y ); (3) (since C++11) long double fmaxl( long…
std::fma,std::fmaf,std::fmal – std::fma,std::fmaf,std::fmal Synopsis Defined in header<cmath> float fma(float x, float y, float z); (1)(since C++ 11) float fmaf(float x, float y, float z); double fma(double x, double y, double z); (2)(since C++ 11) long double fma(long double x, long double y, long double z); (3)(since C++ 11) long double fmal(long double x, long double…
std::flush_emit – std::flush_emit Synopsis Defined in header <ostream> template< class CharT, class Traits > (since C++20) std::basic_ostream<CharT, Traits>& flush_emit( std::basic_ostream<CharT, Traits>& os ); Flushes the output sequence os as if by calling os.flush(). Then, if os.rdbuf() actually points to a std::basic_syncbuf<CharT, Traits, Allocator> buf, calls buf.emit(). This is an output-only I/O manipulator, it may be…
std::flush – std::flush Synopsis Defined in header <ostream> template< class CharT, class Traits > std::basic_ostream<CharT, Traits>& flush( std::basic_ostream<CharT, Traits>& os ); Flushes the output sequence os as if by calling os.flush(). This is an output-only I/O manipulator, it may be called with an expression such as out << std::flush for any out of type std::basic_ostream….
std::floor2 – std::floor2 Synopsis Defined in header <bit> template< class T > (since C++20) constexpr T floor2(T x) noexcept; If x is not zero, calculates the largest integral power of two that is not greater than x. If x is zero, returns zero. This overload only participates in overload resolution if T is an unsigned…
std::floor,std::floorf,std::floorl – std::floor,std::floorf,std::floorl Synopsis Defined in header <cmath> float floor ( float arg ); float floorf( float arg ); (since C++11) double floor ( double arg ); (1) (2) long double floor ( long double arg ); long double floorl( long double arg ); (3) (since C++11) double floor ( IntegralType arg ); (4) (since…
std::float_round_style – std::float_round_style Synopsis Defined in header <limits> enum float_round_style { round_indeterminate = -1, round_toward_zero = 0, round_to_nearest = 1, round_toward_infinity = 2, round_toward_neg_infinity = 3 }; Enumeration constants of type std::float_round_style indicate the rounding style used by floating-point arithmetics whenever a result of an expression is stored in an object of a floating-point type….
std::float_denorm_style – std::float_denorm_style Synopsis Defined in header <limits> enum float_denorm_style { denorm_indeterminate = -1, denorm_absent = 0, denorm_present = 1 }; Enumeration constants of type std::float_denorm_style indicate support of subnormal values by floating-point types. Enumeration constants Name Definition std::denorm_indeterminate Support of subnormal values cannot be determined std::denorm_absent The type does not support subnormal values std::denorm_present…
std::fixed,std::scientific,std::hexfloat,std::defaultfloat – std::fixed,std::scientific,std::hexfloat,std::defaultfloat Synopsis Defined in header <ios> std::ios_base& fixed( std::ios_base& str ); (1) std::ios_base& scientific( std::ios_base& str ); (2) std::ios_base& hexfloat( std::ios_base& str ); (3) (since C++11) std::ios_base& defaultfloat( std::ios_base& str ); (4) (since C++11) Modifies the default formatting for floating-point input/output. 1) Sets the floatfield of the stream str to fixed as if…
std::fisher_f_distribution< _RealType >::param_type – Synopsis Public Types typedef fisher_f_distribution < _RealType > distribution_type" Public Member Functions param_type (_RealType __m=_RealType(1), _RealType __n=_RealType(1)) _RealType m () const _RealType n () const Friends bool operator== (const param_type &__p1, const param_type &__p2) Detailed Description template<typename _RealType = double>struct std::fisher_f_distribution< _RealType >::param_type Parameter type. Definition at line 3139 of file…
std::fisher_f_distribution<RealType>::reset – std::fisher_f_distribution<RealType>::reset Synopsis void reset(); (since C++ 11) Resets the internal state of the distribution object. After a call to this function, the next call to operator() on the distribution object will not be dependent on previous calls to operator(). Parameters (none) Return value (none) Complexity Constant.
std::fisher_f_distribution<RealType>::param – std::fisher_f_distribution<RealType>::param Synopsis param_type param() const; (1) (since C++11) void param( const param_type& params ); (2) (since C++11) Manages the associated distribution parameter set. 1) Returns the associated parameter set. 2) Sets the associated parameter set to params Parameters params – new contents of the associated parameter set Return value 1) The associated parameter…
std::fisher_f_distribution<RealType>::operator() – std::fisher_f_distribution<RealType>::operator() Synopsis template <class Generator> (1)(since C++ 11) result_type operator()(Generator &g); template <class Generator> (2)(since C++ 11) result_type operator()(Generator &g, const param_type ¶ms); Generates random numbers that are distributed according to the associated probability function. The entropy is acquired by calling g.operator(). The first version uses the associated parameter set, the second version…