diff options
Diffstat (limited to 'src/aig/fra/fraInd.c')
-rw-r--r-- | src/aig/fra/fraInd.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/aig/fra/fraInd.c b/src/aig/fra/fraInd.c index 99b62856..3be0e3f6 100644 --- a/src/aig/fra/fraInd.c +++ b/src/aig/fra/fraInd.c @@ -616,6 +616,63 @@ finish: return pManAigNew; } +/**Function************************************************************* + + Synopsis [Outputs a set of pairs of equivalent nodes.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +int Fra_FraigInductionTest( char * pFileName, Fra_Ssw_t * pParams ) +{ + extern Aig_Man_t * Saig_ManReadBlif( char * pFileName ); + FILE * pFile; + char * pFilePairs; + Aig_Man_t * pMan, * pNew; + Aig_Obj_t * pObj, * pRepr; + int * pNum2Id; + int i, Counter = 0; + pMan = Saig_ManReadBlif( pFileName ); + if ( pMan == NULL ) + return 0; + // perform seq SAT sweeping + pNew = Fra_FraigInduction( pMan, pParams ); + if ( pNew == NULL ) + { + Aig_ManStop( pMan ); + return 0; + } + if ( pParams->fVerbose ) + { + printf( "Original AIG: " ); + Aig_ManPrintStats( pMan ); + printf( "Reduced AIG: " ); + Aig_ManPrintStats( pNew ); + } + Aig_ManStop( pNew ); + pNum2Id = pMan->pData; + // write the output file + pFilePairs = Aig_FileNameGenericAppend( pFileName, ".pairs" ); + pFile = fopen( pFilePairs, "w" ); + Aig_ManForEachObj( pMan, pObj, i ) + if ( (pRepr = pMan->pReprs[pObj->Id]) ) + { + fprintf( pFile, "%d %d %c\n", pNum2Id[pObj->Id], pNum2Id[pRepr->Id], (Aig_ObjPhase(pObj) ^ Aig_ObjPhase(pRepr))? '-' : '+' ); + Counter++; + } + fclose( pFile ); + if ( pParams->fVerbose ) + { + printf( "Result: %d pairs of seq equiv nodes are written into file \"%s\".\n", Counter, pFilePairs ); + } + Aig_ManStop( pMan ); + return 1; +} + //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// |