std::linear_congruential_engine< _UIntType, __a, __c, __m >(3) Library Functions Manual NAME std::linear_congruential_engine< _UIntType, __a, __c, __m > - A model of a linear congruential random number generator. SYNOPSIS #include Public Types typedef _UIntType result_type Public Member Functions linear_congruential_engine () Constructs a linear_congruential_engine random number generator engine with seed 1. template> linear_congruential_engine (_Sseq &__q) Constructs a linear_congruential_engine random number generator engine seeded from the seed sequence __q. linear_congruential_engine (result_type __s) Constructs a linear_congruential_engine random number generator engine with seed __s. The default seed value is 1. void discard (unsigned long long __z) Discard a sequence of random numbers. result_type operator() () Gets the next random number in the sequence. template _If_seed_seq< _Sseq > seed (_Sseq &__q) Reseeds the linear_congruential_engine random number generator engine sequence using values from the seed sequence __q. template auto seed (_Sseq &__q) -> _If_seed_seq< _Sseq > void seed (result_type __s=default_seed) Reseeds the linear_congruential_engine random number generator engine sequence to the seed __s. Static Public Member Functions static constexpr result_type max () Gets the largest possible value in the output range. static constexpr result_type min () Gets the smallest possible value in the output range. Static Public Attributes static constexpr result_type default_seed static constexpr result_type increment static constexpr result_type modulus static constexpr result_type multiplier Friends template std::basic_ostream< _CharT, _Traits > & operator<< (std::basic_ostream< _CharT, _Traits > &__os, const std::linear_congruential_engine< _UIntType1, __a1, __c1, __m1 > &__lcr) Writes the textual representation of the state x(i) of x to __os. bool operator== (const linear_congruential_engine &__lhs, const linear_congruential_engine &__rhs) Compares two linear congruential random number generator objects of the same type for equality. template std::basic_istream< _CharT, _Traits > & operator>> (std::basic_istream< _CharT, _Traits > &__is, std::linear_congruential_engine< _UIntType1, __a1, __c1, __m1 > &__lcr) Sets the state of the engine by reading its textual representation from __is. Detailed Description template class std::linear_congruential_engine< _UIntType, __a, __c, __m >"A model of a linear congruential random number generator. A random number generator that produces pseudorandom numbers via linear function: x_{i+1} ] The template parameter _UIntType must be an unsigned integral type large enough to store values up to (__m-1). If the template parameter __m is 0, the modulus __m used is std::numeric_limits<_UIntType>::max() plus 1. Otherwise, the template parameters __a and __c must be less than __m. The size of the state is $1$. Since C++11 Member Typedef Documentation template typedef _UIntType std::linear_congruential_engine< _UIntType, __a, __c, __m >::result_type The type of the generated random value. Constructor & Destructor Documentation template std::linear_congruential_engine< _UIntType, __a, __c, __m >::linear_congruential_engine () [inline] Constructs a linear_congruential_engine random number generator engine with seed 1. template std::linear_congruential_engine< _UIntType, __a, __c, __m >::linear_congruential_engine (result_type __s) [inline], [explicit] Constructs a linear_congruential_engine random number generator engine with seed __s. The default seed value is 1. Parameters __s The initial seed value. References std::linear_congruential_engine< _UIntType, __a, __c, __m >::seed(). template template> std::linear_congruential_engine< _UIntType, __a, __c, __m >::linear_congruential_engine (_Sseq & __q) [inline], [explicit] Constructs a linear_congruential_engine random number generator engine seeded from the seed sequence __q. Parameters __q the seed sequence. References std::linear_congruential_engine< _UIntType, __a, __c, __m >::seed(). Member Function Documentation template void std::linear_congruential_engine< _UIntType, __a, __c, __m >::discard (unsigned long long __z) [inline] Discard a sequence of random numbers. template static constexpr result_type std::linear_congruential_engine< _UIntType, __a, __c, __m >::max () [inline], [static], [constexpr] Gets the largest possible value in the output range. template static constexpr result_type std::linear_congruential_engine< _UIntType, __a, __c, __m >::min () [inline], [static], [constexpr] Gets the smallest possible value in the output range. The minimum depends on the __c parameter: if it is zero, the minimum generated must be > 0, otherwise 0 is allowed. template result_type std::linear_congruential_engine< _UIntType, __a, __c, __m >::operator() () [inline] Gets the next random number in the sequence. template template _If_seed_seq< _Sseq > std::linear_congruential_engine< _UIntType, __a, __c, __m >::seed (_Sseq & __q) Reseeds the linear_congruential_engine random number generator engine sequence using values from the seed sequence __q. Parameters __q the seed sequence. template template auto std::linear_congruential_engine< _UIntType, __a, __c, __m >::seed (_Sseq & __q) -> _If_seed_seq<_Sseq> " Seeds the LCR engine with a value generated by __q. References std::__lg(). template void std::linear_congruential_engine< _UIntType, __a, __c, __m >::seed (result_type __s = default_seed) Reseeds the linear_congruential_engine random number generator engine sequence to the seed __s. Parameters __s The new seed. Seeds the LCR with integral value __s, adjusted so that the ring identity is never a member of the convergence set. Referenced by std::linear_congruential_engine< _UIntType, __a, __c, __m >::linear_congruential_engine(), and std::linear_congruential_engine< _UIntType, __a, __c, __m >::linear_congruential_engine(). Friends And Related Symbol Documentation template template std::basic_ostream< _CharT, _Traits > & operator<< (std::basic_ostream< _CharT, _Traits > & __os, const std::linear_congruential_engine< _UIntType1, __a1, __c1, __m1 > & __lcr) [friend] Writes the textual representation of the state x(i) of x to __os. Parameters __os The output stream. __lcr A % linear_congruential_engine random number generator. Returns __os. template bool operator== (const linear_congruential_engine< _UIntType, __a, __c, __m > & __lhs, const linear_congruential_engine< _UIntType, __a, __c, __m > & __rhs) [friend] Compares two linear congruential random number generator objects of the same type for equality. Parameters __lhs A linear congruential random number generator object. __rhs Another linear congruential random number generator object. Returns true if the infinite sequences of generated values would be equal, false otherwise. template template std::basic_istream< _CharT, _Traits > & operator>> (std::basic_istream< _CharT, _Traits > & __is, std::linear_congruential_engine< _UIntType1, __a1, __c1, __m1 > & __lcr) [friend] Sets the state of the engine by reading its textual representation from __is. The textual representation must have been previously written using an output stream whose imbued locale and whose type's template specialization arguments _CharT and _Traits were the same as those of __is. Parameters __is The input stream. __lcr A % linear_congruential_engine random number generator. Returns __is. Member Data Documentation template result_type std::linear_congruential_engine< _UIntType, __a, __c, __m >::increment [static], [constexpr] An increment. template result_type std::linear_congruential_engine< _UIntType, __a, __c, __m >::modulus [static], [constexpr] The modulus. template result_type std::linear_congruential_engine< _UIntType, __a, __c, __m >::multiplier [static], [constexpr] The multiplier. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ std::linear_congruential_engine< _UIntType, __a, __c, __m >(3)