Section 3: library functions
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…
std::fisher_f_distribution<RealType>::min – std::fisher_f_distribution<RealType>::min Synopsis result_type min() const; (since C++11) Returns the minimum value potentially generated by the distribution. Parameters (none) Return value The minimum value potentially generated by the distribution Complexity Constant. See also returns the maximum potentially generated value max (public member function)
std::fisher_f_distribution<RealType>::max – std::fisher_f_distribution<RealType>::max Synopsis result_type max() const; (since C++11) Returns the maximum value potentially generated by the distribution. Parameters (none) Return value The maximum value potentially generated by the distribution. Complexity Constant. See also returns the minimum potentially generated value min (public member function)
std::fisher_f_distribution<RealType>::m,n – std::fisher_f_distribution<RealType>::m,n Synopsis RealType m() const; (1) (since C++11) RealType n() const; (2) (since C++11) Returns the parameters the distribution was constructed with. 1) Returns the m (the first degree of freedom) distribution parameter. The default value is 1.0. 2) Returns the n (the second degree of freedom) distribution parameter. The default value is…
std::fisher_f_distribution<RealType>::fisher_f_distribution – std::fisher_f_distribution<RealType>::fisher_f_distribution Synopsis fisher_f_distribution() : fisher_f_distribution(1.0){}(1)(since C++ 11) explicit fisher_f_distribution(RealType m, RealType n = 1.0); (2)(since C++ 11) explicit fisher_f_distribution(const param_type ¶ms); (3)(since C++ 11) Constructs a new distribution object. (2) uses m and n as the distribution parameters. (3) uses params as the distribution parameters. Parameters m – the m distribution parameter (degrees…
std::fisher_f_distribution – std::fisher_f_distribution Synopsis Defined in header <random> template< class RealType = double > (since C++11) class fisher_f_distribution; Produces random numbers according to the f-distribution: p(x;m,n) = Γ((m+n)/2) Γ(m/2) Γ(n/2) (m/n)m/2 x(m/2)-1 (1+ mx n )-(m+n)/2 m and n are the degrees_of_freedom. std::fisher_f_distribution satisfies all requirements of RandomNumberDistribution Template parameters RealType – The result type…