The formula for the exponential probability mass function is
.
| Mean | |
| Median | |
| Mode | |
| Range | |
| Standard Deviation | |
Definition at line 2148 of file tr1_impl/random.
| std::exponential_distribution< _RealType >::exponential_distribution | ( | const result_type & | __lambda = result_type(1) |
) | [inline, explicit] |
Constructs an exponential distribution with inverse scale parameter
.
Definition at line 2161 of file tr1_impl/random.
| _RealType std::exponential_distribution< _RealType >::lambda | ( | ) | const [inline] |
Gets the inverse scale parameter of the distribution.
Definition at line 2171 of file tr1_impl/random.
| void std::exponential_distribution< _RealType >::reset | ( | ) | [inline] |
Resets the distribution.
Has no effect on exponential distributions.
Definition at line 2180 of file tr1_impl/random.
| std::basic_ostream<_CharT, _Traits>& operator<< | ( | std::basic_ostream< _CharT, _Traits > & | __os, | |
| const exponential_distribution< _RealType1 > & | __x | |||
| ) | [friend] |
Inserts a exponential_distribution random number distribution __x into the output stream __os.
| __os | An output stream. | |
| __x | A exponential_distribution random number distribution. |
__x inserted or in an error state. | std::basic_istream<_CharT, _Traits>& operator>> | ( | std::basic_istream< _CharT, _Traits > & | __is, | |
| exponential_distribution< _RealType > & | __x | |||
| ) | [friend] |
Extracts a exponential_distribution random number distribution __x from the input stream __is.
| __is | An input stream. | |
| __x | A exponential_distribution random number generator engine. |
__x extracted or in an error state. Definition at line 2214 of file tr1_impl/random.
1.5.8