libstdc++
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Public Types | |
typedef _RealType | input_type |
typedef _IntType | result_type |
Public Member Functions | |
geometric_distribution (const _RealType &__p=_RealType(0.5)) | |
template<class _UniformRandomNumberGenerator > | |
result_type | operator() (_UniformRandomNumberGenerator &__urng) |
_RealType | p () const |
void | reset () |
Friends | |
template<typename _IntType1 , typename _RealType1 , typename _CharT , typename _Traits > | |
std::basic_ostream< _CharT, _Traits > & | operator<< (std::basic_ostream< _CharT, _Traits > &__os, const geometric_distribution< _IntType1, _RealType1 > &__x) |
template<typename _CharT , typename _Traits > | |
std::basic_istream< _CharT, _Traits > & | operator>> (std::basic_istream< _CharT, _Traits > &__is, geometric_distribution &__x) |
A discrete geometric random number distribution.
The formula for the geometric probability mass function is
where
is the parameter of the distribution.
Definition at line 1778 of file tr1_impl/random.
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inline |
Gets the distribution parameter p
.
Definition at line 1798 of file tr1_impl/random.
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friend |
Inserts a geometric_distribution random number distribution __x
into the output stream __os
.
__os | An output stream. |
__x | A geometric_distribution random number distribution. |
__x
inserted or in an error state.
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friend |
Extracts a geometric_distribution random number distribution __x
from the input stream __is
.
__is | An input stream. |
__x | A geometric_distribution random number generator engine. |
__x
extracted or in an error state. Definition at line 1835 of file tr1_impl/random.