Random.h File Reference

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Functions
void	InitializeRandomNumber ()
unsigned int	RandomNumber (const unsigned int range)
double	RandomProb ()

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Function Documentation

void InitializeRandomNumber

(

)

Definition at line 38 of file Random.cpp.

{
    srand( time( NULL ));
}

unsigned int RandomNumber

(

const unsigned int

range

)

Definition at line 44 of file Random.cpp.

{
    unsigned int result;

    // random number precision is 28 bits
    // return number out of range if range is larger than 28 bits
    if( range > 0xfffffff )
        return 0xffffffff;
    result = ( rand() << 15 ) + rand();
    result = result % range;
    return result;
}

double RandomProb

(

)

Definition at line 58 of file Random.cpp.

{
    double x = (( double ) RandomNumber( 0xfffffff ) ) / ( 0xfffffff );
    return x;
}