Public Member Functions | Private Member Functions | Private Attributes
RandomGenerator Class Reference

Public Member Functions

 RandomGenerator ()
 
 RandomGenerator (int ss)
 
 ~RandomGenerator ()
 
int generate ()
 
void seed (int ss)
 

Private Member Functions

void seedInit (int ss)
 

Private Attributes

const int ia
 
const int im
 
const int iq
 
const int ir
 
const int deflt
 
int s
 

Detailed Description

Definition at line 17 of file cf_random.cc.

Constructor & Destructor Documentation

§ RandomGenerator() [1/2]

RandomGenerator::RandomGenerator ( )

Definition at line 32 of file cf_random.cc.

32  : ia(16807), im(2147483647), iq(127773), ir(2836), deflt(123459876)
33 {
34  seedInit( (int)time( 0 ) );
35 }
const int ir
Definition: cf_random.cc:19
const int deflt
Definition: cf_random.cc:19
void seedInit(int ss)
Definition: cf_random.cc:23
const int iq
Definition: cf_random.cc:19
const int ia
Definition: cf_random.cc:19
const int im
Definition: cf_random.cc:19

§ RandomGenerator() [2/2]

RandomGenerator::RandomGenerator ( int  ss)

Definition at line 37 of file cf_random.cc.

37  : ia(16807), im(2147483647), iq(127773), ir(2836), deflt(123459876)
38 {
39  seedInit( ss );
40 }
const int ir
Definition: cf_random.cc:19
const int deflt
Definition: cf_random.cc:19
void seedInit(int ss)
Definition: cf_random.cc:23
const int iq
Definition: cf_random.cc:19
const int ia
Definition: cf_random.cc:19
const int im
Definition: cf_random.cc:19

§ ~RandomGenerator()

RandomGenerator::~RandomGenerator ( )
inline

Definition at line 27 of file cf_random.cc.

27 {}

Member Function Documentation

§ generate()

int RandomGenerator::generate ( )

Definition at line 43 of file cf_random.cc.

44 {
45  int k;
46 
47  k = s/iq;
48  s = ia*(s-k*iq)-ir*k;
49  if ( s < 0 ) s += im;
50 
51  return s;
52 }
int k
Definition: cfEzgcd.cc:93
const int ir
Definition: cf_random.cc:19
const int iq
Definition: cf_random.cc:19
const int ia
Definition: cf_random.cc:19
const int im
Definition: cf_random.cc:19

§ seed()

void RandomGenerator::seed ( int  ss)
inline

Definition at line 29 of file cf_random.cc.

29 { seedInit( ss ); }
void seedInit(int ss)
Definition: cf_random.cc:23

§ seedInit()

void RandomGenerator::seedInit ( int  ss)
inlineprivate

Definition at line 23 of file cf_random.cc.

23 { s = ((ss == 0) ? deflt : ss); }
const int deflt
Definition: cf_random.cc:19

Field Documentation

§ deflt

const int RandomGenerator::deflt
private

Definition at line 19 of file cf_random.cc.

§ ia

const int RandomGenerator::ia
private

Definition at line 19 of file cf_random.cc.

§ im

const int RandomGenerator::im
private

Definition at line 19 of file cf_random.cc.

§ iq

const int RandomGenerator::iq
private

Definition at line 19 of file cf_random.cc.

§ ir

const int RandomGenerator::ir
private

Definition at line 19 of file cf_random.cc.

§ s

int RandomGenerator::s
private

Definition at line 20 of file cf_random.cc.


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