GNU Octave  4.2.1
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
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octave_rand Class Reference

#include "oct-rand.h"

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Public Member Functions

 ~octave_rand (void)
 

Static Public Member Functions

static std::string distribution (void)
 
static void distribution (const std::string &d)
 
static void exponential_distribution (void)
 
static FloatNDArray float_nd_array (const dim_vector &dims, float a=1.0)
 
static float float_scalar (float a=1.0)
 
static Array< float > float_vector (octave_idx_type n, float a=1.0)
 
static void gamma_distribution (void)
 
static bool instance_ok (void)
 
static NDArray nd_array (const dim_vector &dims, double a=1.0)
 
static void normal_distribution (void)
 
static void poisson_distribution (void)
 
static void reset (void)
 
static void reset (const std::string &d)
 
static double scalar (double a=1.0)
 
static double seed (void)
 
static void seed (double s)
 
static ColumnVector state (const std::string &d="")
 
static void state (const ColumnVector &s, const std::string &d="")
 
static void uniform_distribution (void)
 
static Array< doublevector (octave_idx_type n, double a=1.0)
 

Protected Member Functions

 octave_rand (void)
 

Private Types

enum  {
  unknown_dist, uniform_dist, normal_dist, expon_dist,
  poisson_dist, gamma_dist
}
 

Private Member Functions

std::string do_distribution (void)
 
void do_distribution (const std::string &d)
 
void do_exponential_distribution (void)
 
FloatNDArray do_float_nd_array (const dim_vector &dims, float a=1.)
 
float do_float_scalar (float a=1.)
 
Array< float > do_float_vector (octave_idx_type n, float a=1.)
 
void do_gamma_distribution (void)
 
NDArray do_nd_array (const dim_vector &dims, double a=1.)
 
void do_normal_distribution (void)
 
void do_poisson_distribution (void)
 
void do_reset ()
 
void do_reset (const std::string &d)
 
double do_scalar (double a=1.)
 
double do_seed (void)
 
void do_seed (double s)
 
ColumnVector do_state (const std::string &d)
 
void do_state (const ColumnVector &s, const std::string &d)
 
void do_uniform_distribution (void)
 
Array< doubledo_vector (octave_idx_type n, double a=1.)
 
void fill (octave_idx_type len, double *v, double a)
 
void fill (octave_idx_type len, float *v, float a)
 
int get_dist_id (const std::string &d)
 
ColumnVector get_internal_state (void)
 
void initialize_mersenne_twister (void)
 
void initialize_ranlib_generators (void)
 
void save_state (void)
 
void set_internal_state (const ColumnVector &s)
 
void switch_to_generator (int dist)
 

Static Private Member Functions

static void cleanup_instance (void)
 

Private Attributes

int current_distribution
 
std::map< int, ColumnVectorrand_states
 
bool use_old_generators
 

Static Private Attributes

static octave_randinstance = 0
 

Detailed Description

Definition at line 36 of file oct-rand.h.

Member Enumeration Documentation

anonymous enum
private
Enumerator
unknown_dist 
uniform_dist 
normal_dist 
expon_dist 
poisson_dist 
gamma_dist 

Definition at line 183 of file oct-rand.h.

Constructor & Destructor Documentation

octave_rand::octave_rand ( void  )
protected

Definition at line 49 of file oct-rand.cc.

References initialize_mersenne_twister(), and initialize_ranlib_generators().

Referenced by instance_ok().

octave_rand::~octave_rand ( void  )
inline

Definition at line 46 of file oct-rand.h.

Member Function Documentation

static void octave_rand::cleanup_instance ( void  )
inlinestaticprivate

Definition at line 181 of file oct-rand.h.

Referenced by instance_ok().

static std::string octave_rand::distribution ( void  )
inlinestatic
static void octave_rand::distribution ( const std::string d)
inlinestatic

Definition at line 100 of file oct-rand.h.

std::string octave_rand::do_distribution ( void  )
private
void octave_rand::do_distribution ( const std::string d)
private
void octave_rand::do_exponential_distribution ( void  )
private

Definition at line 284 of file oct-rand.cc.

References expon_dist, F77_FUNC(), and switch_to_generator().

FloatNDArray octave_rand::do_float_nd_array ( const dim_vector dims,
float  a = 1. 
)
private
float octave_rand::do_float_scalar ( float  a = 1.)
private
Array< float > octave_rand::do_float_vector ( octave_idx_type  n,
float  a = 1. 
)
private
void octave_rand::do_gamma_distribution ( void  )
private

Definition at line 300 of file oct-rand.cc.

References F77_FUNC(), gamma_dist, and switch_to_generator().

NDArray octave_rand::do_nd_array ( const dim_vector dims,
double  a = 1. 
)
private
void octave_rand::do_normal_distribution ( void  )
private

Definition at line 276 of file oct-rand.cc.

References F77_FUNC(), normal_dist, and switch_to_generator().

void octave_rand::do_poisson_distribution ( void  )
private

Definition at line 292 of file oct-rand.cc.

References F77_FUNC(), poisson_dist, and switch_to_generator().

void octave_rand::do_reset ( void  )
private

Definition at line 142 of file oct-rand.cc.

References initialize_ranlib_generators(), and use_old_generators.

void octave_rand::do_reset ( const std::string d)
private
double octave_rand::do_scalar ( double  a = 1.)
private
double octave_rand::do_seed ( void  )
private
void octave_rand::do_seed ( double  s)
private
ColumnVector octave_rand::do_state ( const std::string d)
private

Definition at line 149 of file oct-rand.cc.

References current_distribution, get_dist_id(), and rand_states.

void octave_rand::do_state ( const ColumnVector s,
const std::string d 
)
private
void octave_rand::do_uniform_distribution ( void  )
private

Definition at line 268 of file oct-rand.cc.

References F77_FUNC(), switch_to_generator(), and uniform_dist.

Array< double > octave_rand::do_vector ( octave_idx_type  n,
double  a = 1. 
)
private
static void octave_rand::exponential_distribution ( void  )
inlinestatic

Definition at line 118 of file oct-rand.h.

Referenced by do_distribution(), and do_rand().

void octave_rand::fill ( octave_idx_type  len,
double v,
double  a 
)
private
void octave_rand::fill ( octave_idx_type  len,
float *  v,
float  a 
)
private
static FloatNDArray octave_rand::float_nd_array ( const dim_vector dims,
float  a = 1.0 
)
inlinestatic

Definition at line 171 of file oct-rand.h.

References a.

Referenced by do_rand().

static float octave_rand::float_scalar ( float  a = 1.0)
inlinestatic

Definition at line 144 of file oct-rand.h.

References a, and NaN().

Referenced by do_rand().

static Array<float> octave_rand::float_vector ( octave_idx_type  n,
float  a = 1.0 
)
inlinestatic

Definition at line 157 of file oct-rand.h.

References a.

static void octave_rand::gamma_distribution ( void  )
inlinestatic

Definition at line 130 of file oct-rand.h.

Referenced by do_distribution(), and do_rand().

int octave_rand::get_dist_id ( const std::string d)
private
ColumnVector octave_rand::get_internal_state ( void  )
private
void octave_rand::initialize_mersenne_twister ( void  )
private
void octave_rand::initialize_ranlib_generators ( void  )
private
bool octave_rand::instance_ok ( void  )
static
static NDArray octave_rand::nd_array ( const dim_vector dims,
double  a = 1.0 
)
inlinestatic

Definition at line 164 of file oct-rand.h.

References a.

Referenced by do_rand().

static void octave_rand::normal_distribution ( void  )
inlinestatic

Definition at line 112 of file oct-rand.h.

Referenced by do_distribution(), and do_rand().

static void octave_rand::poisson_distribution ( void  )
inlinestatic

Definition at line 124 of file oct-rand.h.

Referenced by do_distribution(), and do_rand().

static void octave_rand::reset ( void  )
inlinestatic

Definition at line 65 of file oct-rand.h.

Referenced by do_rand().

static void octave_rand::reset ( const std::string d)
inlinestatic

Definition at line 86 of file oct-rand.h.

void octave_rand::save_state ( void  )
private

Definition at line 605 of file oct-rand.cc.

References current_distribution, get_internal_state(), and rand_states.

Referenced by do_float_scalar(), do_scalar(), and fill().

static double octave_rand::scalar ( double  a = 1.0)
inlinestatic

Definition at line 137 of file oct-rand.h.

References a, and NaN().

Referenced by do_rand().

static double octave_rand::seed ( void  )
inlinestatic

Definition at line 51 of file oct-rand.h.

References NaN().

Referenced by do_rand().

static void octave_rand::seed ( double  s)
inlinestatic

Definition at line 58 of file oct-rand.h.

void octave_rand::set_internal_state ( const ColumnVector s)
private
static ColumnVector octave_rand::state ( const std::string d = "")
inlinestatic

Definition at line 72 of file oct-rand.h.

References d.

Referenced by do_rand().

static void octave_rand::state ( const ColumnVector s,
const std::string d = "" 
)
inlinestatic

Definition at line 78 of file oct-rand.h.

References d.

void octave_rand::switch_to_generator ( int  dist)
private
static void octave_rand::uniform_distribution ( void  )
inlinestatic

Definition at line 106 of file oct-rand.h.

Referenced by do_distribution(), and do_rand().

static Array<double> octave_rand::vector ( octave_idx_type  n,
double  a = 1.0 
)
inlinestatic

Member Data Documentation

int octave_rand::current_distribution
private
octave_rand * octave_rand::instance = 0
staticprivate

Definition at line 179 of file oct-rand.h.

Referenced by instance_ok().

std::map<int, ColumnVector> octave_rand::rand_states
private
bool octave_rand::use_old_generators
private

Definition at line 198 of file oct-rand.h.

Referenced by do_float_scalar(), do_reset(), do_scalar(), do_seed(), do_state(), and fill().


The documentation for this class was generated from the following files: