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Fixing a bug in &cycle, which could generate an unreachable state.

This commit is contained in:
Alan Mishchenko 2013-03-26 16:04:33 -07:00
parent 93b1031664
commit d80071be84
1 changed files with 8 additions and 9 deletions
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17
src/aig/gia/giaDup.c
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@ -442,13 +442,12 @@ void Gia_ManCycle( Gia_Man_t * p, int nFrames )
{
Gia_Obj_t * pObj, * pObjRi, * pObjRo;
int i, k;
// Gia_ManRandom( 1 );
// assign random primary inputs
Gia_ManForEachPi( p, pObj, k )
pObj->fMark0 = (1 & Gia_ManRandom(0));
Gia_ManRandom( 1 );
// iterate for the given number of frames
for ( i = 0; i < nFrames; i++ )
{
Gia_ManForEachPi( p, pObj, k )
pObj->fMark0 = (1 & Gia_ManRandom(0));
Gia_ManForEachAnd( p, pObj, k )
pObj->fMark0 = (Gia_ObjFanin0(pObj)->fMark0 ^ Gia_ObjFaninC0(pObj)) &
(Gia_ObjFanin1(pObj)->fMark0 ^ Gia_ObjFaninC1(pObj));
@ -461,16 +460,16 @@ void Gia_ManCycle( Gia_Man_t * p, int nFrames )
Gia_Man_t * Gia_ManDupCycled( Gia_Man_t * p, int nFrames )
{
Gia_Man_t * pNew;
Vec_Int_t * vInits;
Vec_Bit_t * vInits;
Gia_Obj_t * pObj;
int i;
Gia_ManCleanMark0(p);
Gia_ManCycle( p, nFrames );
vInits = Vec_IntAlloc( Gia_ManRegNum(p) );
vInits = Vec_BitAlloc( Gia_ManRegNum(p) );
Gia_ManForEachRo( p, pObj, i )
Vec_IntPush( vInits, pObj->fMark0 );
pNew = Gia_ManDupFlip( p, Vec_IntArray(vInits) );
Vec_IntFree( vInits );
Vec_BitPush( vInits, pObj->fMark0 );
pNew = Gia_ManDupFlip( p, Vec_BitArray(vInits) );
Vec_BitFree( vInits );
Gia_ManCleanMark0(p);
return pNew;
}