Namespaces | |
| namespace | graphlab::random |
Functions | |
| void | graphlab::random::seed () |
| void | graphlab::random::seed (size_t seed_value) |
| void | graphlab::random::nondet_seed () |
| void | graphlab::random::time_seed () |
| generator & | graphlab::random::get_source () |
| template<typename NumType > | |
| NumType | graphlab::random::uniform (const NumType min, const NumType max) |
| template<typename NumType > | |
| NumType | graphlab::random::fast_uniform (const NumType min, const NumType max) |
| double | graphlab::random::rand01 () |
| int | graphlab::random::rand () |
| double | graphlab::random::gamma (const double alpha=double(1)) |
| double | graphlab::random::gaussian (const double mean=double(0), const double var=double(1)) |
| bool | graphlab::random::bernoulli (const double p=double(0.5)) |
| bool | graphlab::random::fast_bernoulli (const double p=double(0.5)) |
| size_t | graphlab::random::multinomial (const std::vector< double > &prb) |
| template<typename T > | |
| void | graphlab::random::shuffle (std::vector< T > &vec) |
| template<typename Iterator > | |
| void | graphlab::random::shuffle (Iterator begin, Iterator end) |
| bool graphlab::random::bernoulli | ( | const double | p = double(0.5) |
) | [inline] |
Draw a sample from a bernoulli distribution
Definition at line 371 of file random.hpp.
| bool graphlab::random::fast_bernoulli | ( | const double | p = double(0.5) |
) | [inline] |
Draw a sample form a bernoulli distribution using the faster generator
Definition at line 379 of file random.hpp.
| NumType graphlab::random::fast_uniform | ( | const NumType | min, | |
| const NumType | max | |||
| ) | [inline] |
Generate a random number in the uniform real with range [min, max) or [min, max] if the number type is discrete.
Definition at line 330 of file random.hpp.
| double graphlab::random::gamma | ( | const double | alpha = double(1) |
) | [inline] |
Generate a random number from a gamma distribution.
Definition at line 351 of file random.hpp.
| double graphlab::random::gaussian | ( | const double | mean = double(0), |
|
| const double | var = double(1) | |||
| ) | [inline] |
Generate a gaussian random variable with zero mean and unit variance.
Definition at line 362 of file random.hpp.
| generator& graphlab::random::get_source | ( | ) |
Get the local generator
| size_t graphlab::random::multinomial | ( | const std::vector< double > & | prb | ) | [inline] |
Generate a draw from a multinomial. This function automatically normalizes as well.
Definition at line 388 of file random.hpp.
| void graphlab::random::nondet_seed | ( | ) |
Seed all generators using a nondeterministic source
| int graphlab::random::rand | ( | ) | [inline] |
Simulates the standard rand function as defined in cstdlib
Definition at line 344 of file random.hpp.
| double graphlab::random::rand01 | ( | ) | [inline] |
Generate a random number between 0 and 1
Definition at line 338 of file random.hpp.
| void graphlab::random::seed | ( | size_t | seed_value | ) |
Seed all generators using an integer
| void graphlab::random::seed | ( | ) |
Seed all generators using the default seed
| void graphlab::random::shuffle | ( | Iterator | begin, | |
| Iterator | end | |||
| ) |
Shuffle a range using the begin and end iterators
Definition at line 407 of file random.hpp.
| void graphlab::random::shuffle | ( | std::vector< T > & | vec | ) |
Shuffle a standard vector
Definition at line 398 of file random.hpp.
| void graphlab::random::time_seed | ( | ) |
Seed all generators using the current time in microseconds
| NumType graphlab::random::uniform | ( | const NumType | min, | |
| const NumType | max | |||
| ) | [inline] |
Generate a random number in the uniform real with range [min, max) or [min, max] if the number type is discrete.
Definition at line 320 of file random.hpp.
1.7.1