std::mersenne_twister_engine (3cxx)

template<typename _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, _UIntType __a, size_t __u, _UIntType __d, size_t __s, _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>class std::mersenne_twister_engine< _UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f >

A generalized feedback shift register discrete random number generator.

This algorithm avoids multiplication and division and is designed to be friendly to a pipelined architecture. If the parameters are chosen correctly, this generator will produce numbers with a very long period and fairly good apparent entropy, although still not cryptographically strong.

The best way to use this generator is with the predefined mt19937 class.

This algorithm was originally invented by Makoto Matsumoto and Takuji Nishimura.

Template Parameters:

__w Word size, the number of bits in each element of the state vector.

__n The degree of recursion.

__m The period parameter.

__r The separation point bit index.

__a The last row of the twist matrix.

__u The first right-shift tempering matrix parameter.

__d The first right-shift tempering matrix mask.

__s The first left-shift tempering matrix parameter.

__b The first left-shift tempering matrix mask.

__t The second left-shift tempering matrix parameter.

__c The second left-shift tempering matrix mask.

__l The second right-shift tempering matrix parameter.

__f Initialization multiplier.

Definition at line 451 of file random.h.

Generated automatically by Doxygen for libstdc++ from the source code.