rewire_rng.c File Reference

#include "rewire_rng.h"

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Functions
ABC_NAMESPACE_IMPL_START unsigned	Random_Int (int fReset)
word	Random_Word (int fReset)
unsigned	Random_Num (int Seed)

Function Documentation

Random_Int()

ABC_NAMESPACE_IMPL_START unsigned Random_Int

(

int

fReset

)

CFile****************************************************************

FileName [rewire_rng.c]

SystemName [ABC: Logic synthesis and verification system.]

PackageName [Re-wiring.]

Synopsis []

Author [Jiun-Hao Chen]

Affiliation [National Taiwan University]

Date [Ver. 1.0. Started - June 20, 2005.]

Revision [

Id

rewire_rng.c,v 1.00 2005/06/20 00:00:00 alanmi Exp

]

Definition at line 25 of file rewire_rng.c.

                                {
    static unsigned int m_z = NUMBER1;
    static unsigned int m_w = NUMBER2;
    if (fReset) {
        m_z = NUMBER1;
        m_w = NUMBER2;
    } 
    m_z = 36969 * (m_z & 65535) + (m_z >> 16);
    m_w = 18000 * (m_w & 65535) + (m_w >> 16);
    return (m_z << 16) + m_w;
}

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Random_Num()

unsigned Random_Num

(

int

Seed

)

Definition at line 43 of file rewire_rng.c.

                              {
    static unsigned RandMask = 0;
    if (Seed == 0)
        return RandMask ^ Random_Int(0);
    RandMask = Random_Int(1);
    for (int i = 0; i < Seed; i++)
        RandMask = Random_Int(0);
    return RandMask;
}

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Random_Word()

word Random_Word

(

int

fReset

)

Definition at line 37 of file rewire_rng.c.

                             {
    return ((word)Random_Int(fReset) << 32) | ((word)Random_Int(fReset) << 0);
}

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