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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 29 of file cf_random.cc.

Constructor & Destructor Documentation

◆ RandomGenerator() [1/2]

RandomGenerator::RandomGenerator ( )

Definition at line 44 of file cf_random.cc.

44 : ia(16807), im(2147483647), iq(127773), ir(2836), deflt(123459876)
45{
46 seedInit( (int)time( 0 ) );
47}
const int deflt
Definition cf_random.cc:31
const int ia
Definition cf_random.cc:31
const int ir
Definition cf_random.cc:31
const int im
Definition cf_random.cc:31
const int iq
Definition cf_random.cc:31
void seedInit(int ss)
Definition cf_random.cc:35

◆ RandomGenerator() [2/2]

RandomGenerator::RandomGenerator ( int ss)

Definition at line 49 of file cf_random.cc.

49 : ia(16807), im(2147483647), iq(127773), ir(2836), deflt(123459876)
50{
51 seedInit( ss );
52}

◆ ~RandomGenerator()

RandomGenerator::~RandomGenerator ( )
inline

Definition at line 39 of file cf_random.cc.

39{}

Member Function Documentation

◆ generate()

int RandomGenerator::generate ( )

Definition at line 55 of file cf_random.cc.

56{
57 int k;
58
59 k = s/iq;
60 s = ia*(s-k*iq)-ir*k;
61 if ( s < 0 ) s += im;
62
63 return s;
64}
int k
Definition cfEzgcd.cc:99

◆ seed()

void RandomGenerator::seed ( int ss)
inline

Definition at line 41 of file cf_random.cc.

41{ seedInit( ss ); }

◆ seedInit()

void RandomGenerator::seedInit ( int ss)
inlineprivate

Definition at line 35 of file cf_random.cc.

35{ s = ((ss == 0) ? deflt : ss); }

Field Documentation

◆ deflt

const int RandomGenerator::deflt
private

Definition at line 31 of file cf_random.cc.

◆ ia

const int RandomGenerator::ia
private

Definition at line 31 of file cf_random.cc.

◆ im

const int RandomGenerator::im
private

Definition at line 31 of file cf_random.cc.

◆ iq

const int RandomGenerator::iq
private

Definition at line 31 of file cf_random.cc.

◆ ir

const int RandomGenerator::ir
private

Definition at line 31 of file cf_random.cc.

◆ s

int RandomGenerator::s
private

Definition at line 32 of file cf_random.cc.


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