Section 3: library functions
std::bitset<N>::flip – std::bitset<N>::flip Synopsis bitset<N>& flip(); (until C++11) bitset<N>& flip() noexcept; (1) (since C++11) bitset<N>& flip( std::size_t pos ); (2) Flips bits, i.e. changes true values to false and false values to true. Equivalent to a logical NOT operation on part or all of the bitset. 1) Flips all bits (like operator~, but in-place) 2)…
std::bitset<N>::count – std::bitset<N>::count Synopsis std::size_t count() const; (until C++11) std::size_t count() const noexcept; (since C++11) Returns the number of bits that are set to true. Parameters (none) Return value number of bits that are set to true. Example // Run this code #include <iostream> #include <bitset> int main() { std::bitset<8> b("00010010"); std::cout << "initial value:…
std::bitset<N>::bitset – std::bitset<N>::bitset Synopsis bitset(); (until C++ 11) constexpr bitset() noexcept; (since C++ 11) bitset(unsigned long val); (until C++ 11) constexpr bitset(unsigned long long val) noexcept; (since C++ 11) template <class CharT, class Traits, class Alloc> explicit bitset(const std::basic_string<CharT, Traits, Alloc> &str, typename std::basic_string<CharT, Traits, Alloc>::size_type(until C++ 11) pos = 0, typename std::basic_string<CharT, Traits, Alloc>::size_type…
std::bitset<N>::all,std::bitset<N>::any,std::bitset<N>::none – std::bitset<N>::all,std::bitset<N>::any,std::bitset<N>::none Synopsis bool all() const noexcept; (1) (since C++11) bool any() const; (until C++11) bool any() const noexcept; (2) (since C++11) bool none() const; (3) (until C++11) bool none() const noexcept; (since C++11) Checks if all, any or none of the bits are set to true. 1) Checks if all bits are set…
std::bitset – std::bitset Synopsis Defined in header <bitset> template< std::size_t N > class bitset; The class template bitset represents a fixed-size sequence of N bits. Bitsets can be manipulated by standard logic operators and converted to and from strings and integers. bitset meets the requirements of CopyConstructible and CopyAssignable. Template parameters N – the number…
std::bit_xor<void> – std::bit_xor<void> Synopsis Defined in header<functional> template <> (since C++ 14) class bit_xor<void>; std::bit_xor<> is a specialization of std::bit_xor with parameter and return type deduced. Member types Member type Definition is_transparent /* unspecified */ Member functions applies operator^ to lhs and rhs operator() (public member function) std::bit_xor<>::operator() template< class T, class U> constexpr auto…
std::bit_or<void> – std::bit_or<void> Synopsis Defined in header<functional> template <> (since C++ 14) class bit_or<void>; std::bit_or<> is a specialization of std::bit_or with parameter and return type deduced. Member types Member type Definition is_transparent /* unspecified */ Member functions applies operator| to lhs and rhs operator() (public member function) std::bit_or<>::operator() template< class T, class U> constexpr auto…
std::bit_not<void> – std::bit_not<void> Synopsis Defined in header<functional> template <> (since C++ 14) class bit_not<void>; std::bit_not<> is a specialization of std::bit_not with parameter and return type deduced. Member types Member type Definition is_transparent /* unspecified */ Member functions applies operator~ to its argument operator() (public member function) std::bit_not<>::operator() template< class T > constexpr auto operator()( T&&…
std::bit_cast – std::bit_cast Synopsis Defined in header<bit> template <class To, class From> (since C++ 20) constexpr To bit_cast(const From &from) noexcept; Obtain a value of type To by reinterpreting the object representation of from. Every bit in the value representation of the returned To object is equal to the corresponding bit in the object representation…
std::bit_and<void> – std::bit_and<void> Synopsis Defined in header<functional> template <> (since C++ 14) class bit_and<void>; std::bit_and<> is a specialization of std::bit_and with parameter and return type deduced. Member types Member type Definition is_transparent /* unspecified */ Member functions applies operator& to lhs and rhs operator() (public member function) std::bit_and<>::operator() template< class T, class U> constexpr auto…
std::binomial_distribution< _IntType >::param_type – Synopsis Public Types typedef binomial_distribution < _IntType > distribution_type" Public Member Functions _M_p (__p) double p () const _IntType t () const Public Attributes __pad0__: _M_t(__t) Friends class binomial_distribution< _IntType > bool operator== (const param_type &__p1, const param_type &__p2) Detailed Description template<typename _IntType = int>struct std::binomial_distribution< _IntType >::param_type Parameter type. Definition…
std::binomial_distribution<IntType>::reset – std::binomial_distribution<IntType>::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::binomial_distribution<IntType>::param – std::binomial_distribution<IntType>::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::binomial_distribution<IntType>::p,t – std::binomial_distribution<IntType>::p,t Synopsis double p() const; (1)(since C++ 11) IntType t() const; (2)(since C++ 11) Returns the parameters the distribution was constructed with. 1) Returns the p distribution parameter. It defines the probability of a trial generating true. The default value is 0.5. 2) Returns the t distribution parameter. It identifies the number of…
std::binomial_distribution<IntType>::operator() – std::binomial_distribution<IntType>::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::binomial_distribution<IntType>::min – std::binomial_distribution<IntType>::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)
spbtrs.f – Synopsis Functions/Subroutines subroutine spbtrs (UPLO, N, KD, NRHS, AB, LDAB, B, LDB, INFO) SPBTRS Function/Subroutine Documentation subroutine spbtrs (characterUPLO, integerN, integerKD, integerNRHS, real, dimension( ldab, * )AB, integerLDAB, real, dimension( ldb, * )B, integerLDB, integerINFO) SPBTRS Purpose: SPBTRS solves a system of linear equations A*X = B with a symmetric positive definite band…
sorbdb1.f – Synopsis Functions/Subroutines subroutine sorbdb1 (M, P, Q, X11, LDX11, X21, LDX21, THETA, PHI, TAUP1, TAUP2, TAUQ1, WORK, LWORK, INFO) SORBDB1 Function/Subroutine Documentation subroutine sorbdb1 (integerM, integerP, integerQ, real, dimension(ldx11,*)X11, integerLDX11, real, dimension(ldx21,*)X21, integerLDX21, real, dimension(*)THETA, real, dimension(*)PHI, real, dimension(*)TAUP1, real, dimension(*)TAUP2, real, dimension(*)TAUQ1, real, dimension(*)WORK, integerLWORK, integerINFO) SORBDB1 .SH "Purpose:" SORBDB1 simultaneously bidiagonalizes…
sopmtr.f – Synopsis Functions/Subroutines subroutine sopmtr (SIDE, UPLO, TRANS, M, N, AP, TAU, C, LDC, WORK, INFO) SOPMTR Function/Subroutine Documentation subroutine sopmtr (characterSIDE, characterUPLO, characterTRANS, integerM, integerN, real, dimension( * )AP, real, dimension( * )TAU, real, dimension( ldc, * )C, integerLDC, real, dimension( * )WORK, integerINFO) SOPMTR Purpose: SOPMTR overwrites the general real M-by-N matrix…
slaqtr.f – Synopsis Functions/Subroutines subroutine slaqtr (LTRAN, LREAL, N, T, LDT, B, W, SCALE, X, WORK, INFO) SLAQTR solves a real quasi-triangular system of equations, or a complex quasi-triangular system of special form, in real arithmetic. Function/Subroutine Documentation subroutine slaqtr (logicalLTRAN, logicalLREAL, integerN, real, dimension( ldt, * )T, integerLDT, real, dimension( * )B, realW, realSCALE,…