diff options
Diffstat (limited to 'src/base/io/ioWriteEqn.c')
| -rw-r--r-- | src/base/io/ioWriteEqn.c | 117 |
1 files changed, 63 insertions, 54 deletions
diff --git a/src/base/io/ioWriteEqn.c b/src/base/io/ioWriteEqn.c index 95c54577..6c2893b5 100644 --- a/src/base/io/ioWriteEqn.c +++ b/src/base/io/ioWriteEqn.c @@ -25,12 +25,12 @@ //////////////////////////////////////////////////////////////////////// static void Io_NtkWriteEqnOne( FILE * pFile, Abc_Ntk_t * pNtk ); -static void Io_NtkWriteEqnCis( FILE * pFile, Abc_Ntk_t * pNtk ); -static void Io_NtkWriteEqnCos( FILE * pFile, Abc_Ntk_t * pNtk ); -static int Io_NtkWriteEqnCheck( Abc_Ntk_t * pNtk ); +static void Io_NtkWriteEqnPis( FILE * pFile, Abc_Ntk_t * pNtk ); +static void Io_NtkWriteEqnPos( FILE * pFile, Abc_Ntk_t * pNtk ); +static void Io_NtkWriteEqnNode( FILE * pFile, Abc_Obj_t * pNode ); //////////////////////////////////////////////////////////////////////// -/// FUNCTION DEFINITIONS /// +/// FUNCTION DEFITIONS /// //////////////////////////////////////////////////////////////////////// /**Function************************************************************* @@ -48,14 +48,10 @@ void Io_WriteEqn( Abc_Ntk_t * pNtk, char * pFileName ) { FILE * pFile; - assert( Abc_NtkIsAigNetlist(pNtk) ); + assert( Abc_NtkIsSopNetlist(pNtk) ); if ( Abc_NtkLatchNum(pNtk) > 0 ) printf( "Warning: only combinational portion is being written.\n" ); - // check that the names are fine for the EQN format - if ( !Io_NtkWriteEqnCheck(pNtk) ) - return; - // start the output stream pFile = fopen( pFileName, "w" ); if ( pFile == NULL ) @@ -84,37 +80,28 @@ void Io_WriteEqn( Abc_Ntk_t * pNtk, char * pFileName ) ***********************************************************************/ void Io_NtkWriteEqnOne( FILE * pFile, Abc_Ntk_t * pNtk ) { - Vec_Vec_t * vLevels; ProgressBar * pProgress; - Abc_Obj_t * pNode, * pFanin; - int i, k; + Abc_Obj_t * pNode; + int i; // write the PIs fprintf( pFile, "INORDER =" ); - Io_NtkWriteEqnCis( pFile, pNtk ); + Io_NtkWriteEqnPis( pFile, pNtk ); fprintf( pFile, ";\n" ); // write the POs fprintf( pFile, "OUTORDER =" ); - Io_NtkWriteEqnCos( pFile, pNtk ); + Io_NtkWriteEqnPos( pFile, pNtk ); fprintf( pFile, ";\n" ); // write each internal node - vLevels = Vec_VecAlloc( 10 ); pProgress = Extra_ProgressBarStart( stdout, Abc_NtkObjNumMax(pNtk) ); Abc_NtkForEachNode( pNtk, pNode, i ) { Extra_ProgressBarUpdate( pProgress, i, NULL ); - fprintf( pFile, "%s = ", Abc_ObjName(Abc_ObjFanout0(pNode)) ); - // set the input names - Abc_ObjForEachFanin( pNode, pFanin, k ) - Hop_IthVar(pNtk->pManFunc, k)->pData = Abc_ObjName(pFanin); - // write the formula - Hop_ObjPrintEqn( pFile, pNode->pData, vLevels, 0 ); - fprintf( pFile, ";\n" ); + Io_NtkWriteEqnNode( pFile, pNode ); } Extra_ProgressBarStop( pProgress ); - Vec_VecFree( vLevels ); } @@ -129,7 +116,7 @@ void Io_NtkWriteEqnOne( FILE * pFile, Abc_Ntk_t * pNtk ) SeeAlso [] ***********************************************************************/ -void Io_NtkWriteEqnCis( FILE * pFile, Abc_Ntk_t * pNtk ) +void Io_NtkWriteEqnPis( FILE * pFile, Abc_Ntk_t * pNtk ) { Abc_Obj_t * pTerm, * pNet; int LineLength; @@ -169,7 +156,7 @@ void Io_NtkWriteEqnCis( FILE * pFile, Abc_Ntk_t * pNtk ) SeeAlso [] ***********************************************************************/ -void Io_NtkWriteEqnCos( FILE * pFile, Abc_Ntk_t * pNtk ) +void Io_NtkWriteEqnPos( FILE * pFile, Abc_Ntk_t * pNtk ) { Abc_Obj_t * pTerm, * pNet; int LineLength; @@ -200,51 +187,73 @@ void Io_NtkWriteEqnCos( FILE * pFile, Abc_Ntk_t * pNtk ) /**Function************************************************************* - Synopsis [Make sure the network does not have offending names.] + Synopsis [Write the node into a file.] Description [] - + SideEffects [] SeeAlso [] ***********************************************************************/ -int Io_NtkWriteEqnCheck( Abc_Ntk_t * pNtk ) +void Io_NtkWriteEqnNode( FILE * pFile, Abc_Obj_t * pNode ) { - Abc_Obj_t * pObj; - char * pName; - int i, k, Length; - int RetValue = 1; + Abc_Obj_t * pNet; + int LineLength; + int AddedLength; + int NameCounter; + char * pCube; + int Value, fFirstLit, i; + + fprintf( pFile, "%s = ", Abc_ObjName(pNode) ); + + if ( Abc_SopIsConst0(pNode->pData) ) + { + fprintf( pFile, "0;\n" ); + return; + } + if ( Abc_SopIsConst1(pNode->pData) ) + { + fprintf( pFile, "1;\n" ); + return; + } - // make sure the network does not have proper names, such as "0" or "1" or containing parantheses - Abc_NtkForEachObj( pNtk, pObj, i ) + NameCounter = 0; + LineLength = strlen(Abc_ObjName(pNode)) + 3; + Abc_SopForEachCube( pNode->pData, Abc_ObjFaninNum(pNode), pCube ) { - pName = Nm_ManFindNameById(pNtk->pManName, i); - if ( pName == NULL ) - continue; - Length = strlen(pName); - if ( pName[0] == '0' || pName[0] == '1' ) + if ( pCube != pNode->pData ) { - RetValue = 0; - break; + fprintf( pFile, " + " ); + LineLength += 3; } - for ( k = 0; k < Length; k++ ) - if ( pName[k] == '(' || pName[k] == ')' || pName[k] == '!' || pName[k] == '*' || pName[k] == '+' ) - { - RetValue = 0; - break; + + // add the cube + fFirstLit = 1; + Abc_CubeForEachVar( pCube, Value, i ) + { + if ( Value == '-' ) + continue; + pNet = Abc_ObjFanin( pNode, i ); + // get the line length after this name is written + AddedLength = !fFirstLit + (Value == '0') + strlen(Abc_ObjName(pNet)); + if ( NameCounter && LineLength + AddedLength + 6 > IO_WRITE_LINE_LENGTH ) + { // write the line extender + fprintf( pFile, " \n " ); + // reset the line length + LineLength = 0; + NameCounter = 0; } - if ( k < Length ) - break; - } - if ( RetValue == 0 ) - { - printf( "The network cannot be written in the EQN format because object %d has name \"%s\".\n", i, pName ); - printf( "Consider renaming the objects using command \"short_names\" and trying again.\n" ); + fprintf( pFile, "%s%s%s", (fFirstLit? "": "*"), ((Value == '0')? "!":""), Abc_ObjName(pNet) ); + LineLength += AddedLength; + NameCounter++; + fFirstLit = 0; + } } - return RetValue; + fprintf( pFile, ";\n" ); } + //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// |