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Added new Python API is_const_po( int iPoNum ), which returns 0/1 if current network is an AIG and the given PO has const 0/1 function.

This commit is contained in:
Alan Mishchenko 2013-01-25 10:25:34 +07:00
parent fde8c8b2d0
commit 557448400e
3 changed files with 42 additions and 2 deletions
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3
src/base/main/main.h
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@ -133,11 +133,10 @@ extern ABC_DLL void Abc_FrameSetCex( Abc_Cex_t * pCex );
extern ABC_DLL void Abc_FrameSetNFrames( int nFrames );
extern ABC_DLL void Abc_FrameSetStatus( int Status );
extern ABC_DLL int Abc_FrameCheckPoConst( Abc_Frame_t * p, int iPoNum );
ABC_NAMESPACE_HEADER_END
#endif
////////////////////////////////////////////////////////////////////////

34
src/base/main/mainFrame.c
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@ -648,6 +648,40 @@ void Abc_FrameSetSave2( void * pAig )
void * Abc_FrameReadSave1() { void * pAig = Abc_FrameGetGlobalFrame()->pSave1; Abc_FrameGetGlobalFrame()->pSave1 = NULL; return pAig; }
void * Abc_FrameReadSave2() { void * pAig = Abc_FrameGetGlobalFrame()->pSave2; Abc_FrameGetGlobalFrame()->pSave2 = NULL; return pAig; }
/**Function*************************************************************
Synopsis [Returns 0/1 if pNtkCur is an AIG and PO is 0/1; -1 otherwise.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_FrameCheckPoConst( Abc_Frame_t * p, int iPoNum )
{
Abc_Obj_t * pObj;
if ( p->pNtkCur == NULL )
return -1;
if ( !Abc_NtkIsStrash(p->pNtkCur) )
return -1;
if ( iPoNum < 0 || iPoNum >= Abc_NtkPoNum(p->pNtkCur) )
return -1;
pObj = Abc_NtkPo( p->pNtkCur, iPoNum );
if ( !Abc_AigNodeIsConst(Abc_ObjFanin0(pObj)) )
return -1;
return !Abc_ObjFaninC0(pObj);
}
void Abc_FrameCheckPoConstTest( Abc_Frame_t * p )
{
Abc_Obj_t * pObj;
int i;
Abc_NtkForEachPo( p->pNtkCur, pObj, i )
printf( "%d = %d\n", i, Abc_FrameCheckPoConst(p, i) );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////

7
src/python/pyabc.i
View File

@ -195,6 +195,12 @@ int n_phases()
return pNtk ? Abc_NtkPhaseFrameNum(pNtk) : 1;
}
int is_const_po( int iPoNum )
{
Abc_Frame_t* pAbc = Abc_FrameGetGlobalFrame();
return Abc_FrameCheckPoConst( pAbc, iPoNum );
}
Abc_Cex_t* _cex_get()
{
Abc_Frame_t* pAbc = Abc_FrameGetGlobalFrame();
@ -626,6 +632,7 @@ int cex_po();
int cex_frame();
int n_phases();
int is_const_po( int iPoNum );
Abc_Cex_t* _cex_get();
int _cex_get_vec_len();