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/**CFile****************************************************************
FileName [ftPrint.c]
PackageName [MVSIS 2.0: Multi-valued logic synthesis system.]
Synopsis [Procedures to print the factored tree.]
Author [MVSIS Group]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - February 1, 2003.]
Revision [$Id: ftPrint.c,v 1.1 2003/05/22 19:20:05 alanmi Exp $]
***********************************************************************/
#include "abc.h"
#include "ft.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
static void Ft_FactorPrint_rec( FILE * pFile, Vec_Int_t * vForm, Ft_Node_t * pNode, int fCompl, char * pNamesIn[], int * pPos, int LitSizeMax );
static int Ft_FactorPrintGetLeafName( FILE * pFile, Vec_Int_t * vForm, Ft_Node_t * pNode, int fCompl, char * pNamesIn[] );
static void Ft_FactorPrintUpdatePos( FILE * pFile, int * pPos, int LitSizeMax );
static int Ft_FactorPrintOutputName( FILE * pFile, char * pNameOut, int fCompl );
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Ft_FactorPrint( FILE * pFile, Vec_Int_t * vForm, char * pNamesIn[], char * pNameOut )
{
Ft_Node_t * pNode;
Vec_Ptr_t * vNamesIn = NULL;
int LitSizeMax, LitSizeCur, nVars, Pos, i;
// sanity checks
nVars = Ft_FactorGetNumVars( vForm );
assert( nVars >= 0 );
assert( vForm->nSize > nVars );
// create the names if not given by the user
if ( pNamesIn == NULL )
{
vNamesIn = Abc_NodeGetFakeNames( nVars );
pNamesIn = (char **)vNamesIn->pArray;
}
if ( pNameOut == NULL )
pNameOut = "F";
// get the size of the longest literal
LitSizeMax = 0;
for ( i = 0; i < nVars; i++ )
{
LitSizeCur = strlen(pNamesIn[i]);
if ( LitSizeMax < LitSizeCur )
LitSizeMax = LitSizeCur;
}
if ( LitSizeMax > 50 )
LitSizeMax = 20;
// print the output name
pNode = Ft_NodeReadLast(vForm);
if ( !pNode->fConst && pNode->iFanin0 == pNode->iFanin1 ) // literal
{
Pos = Ft_FactorPrintOutputName( pFile, pNameOut, 0 );
Ft_FactorPrintGetLeafName( pFile, vForm, Ft_NodeFanin0(vForm,pNode), pNode->fCompl, pNamesIn );
}
else // constant or non-trivial form
{
Pos = Ft_FactorPrintOutputName( pFile, pNameOut, pNode->fCompl );
Ft_FactorPrint_rec( pFile, vForm, pNode, 0, pNamesIn, &Pos, LitSizeMax );
}
fprintf( pFile, "\n" );
if ( vNamesIn )
Abc_NodeFreeNames( vNamesIn );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Ft_FactorPrint_rec( FILE * pFile, Vec_Int_t * vForm, Ft_Node_t * pNode, int fCompl, char * pNamesIn[], int * pPos, int LitSizeMax )
{
Ft_Node_t * pNode0, * pNode1;
if ( pNode->fConst ) // FT_NODE_0 )
{
if ( fCompl )
fprintf( pFile, "Constant 0" );
else
fprintf( pFile, "Constant 1" );
return;
}
if ( !pNode->fIntern ) // FT_NODE_LEAF )
{
(*pPos) += Ft_FactorPrintGetLeafName( pFile, vForm, pNode, fCompl, pNamesIn );
return;
}
pNode0 = Ft_NodeFanin0( vForm, pNode );
pNode1 = Ft_NodeFanin1( vForm, pNode );
if ( !pNode->fNodeOr ) // FT_NODE_AND )
{
if ( !pNode0->fNodeOr ) // != FT_NODE_OR )
Ft_FactorPrint_rec( pFile, vForm, pNode0, pNode->fEdge0, pNamesIn, pPos, LitSizeMax );
else
{
fprintf( pFile, "(" );
(*pPos)++;
Ft_FactorPrint_rec( pFile, vForm, pNode0, pNode->fEdge0, pNamesIn, pPos, LitSizeMax );
fprintf( pFile, ")" );
(*pPos)++;
}
fprintf( pFile, " " );
(*pPos)++;
Ft_FactorPrintUpdatePos( pFile, pPos, LitSizeMax );
if ( !pNode1->fNodeOr ) // != FT_NODE_OR )
Ft_FactorPrint_rec( pFile, vForm, pNode1, pNode->fEdge1, pNamesIn, pPos, LitSizeMax );
else
{
fprintf( pFile, "(" );
(*pPos)++;
Ft_FactorPrint_rec( pFile, vForm, pNode1, pNode->fEdge1, pNamesIn, pPos, LitSizeMax );
fprintf( pFile, ")" );
(*pPos)++;
}
return;
}
if ( pNode->fNodeOr ) // FT_NODE_OR )
{
Ft_FactorPrint_rec( pFile, vForm, pNode0, pNode->fEdge0, pNamesIn, pPos, LitSizeMax );
fprintf( pFile, " + " );
(*pPos) += 3;
Ft_FactorPrintUpdatePos( pFile, pPos, LitSizeMax );
Ft_FactorPrint_rec( pFile, vForm, pNode1, pNode->fEdge1, pNamesIn, pPos, LitSizeMax );
return;
}
assert( 0 );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Ft_FactorPrintGetLeafName( FILE * pFile, Vec_Int_t * vForm, Ft_Node_t * pNode, int fCompl, char * pNamesIn[] )
{
static char Buffer[100];
int iVar;
assert( !Ptr_IsComplement(pNode) );
iVar = (Ft_Node_t *)pNode - (Ft_Node_t *)vForm->pArray;
sprintf( Buffer, "%s%s", pNamesIn[iVar], fCompl? "\'" : "" );
fprintf( pFile, "%s", Buffer );
return strlen( Buffer );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Ft_FactorPrintUpdatePos( FILE * pFile, int * pPos, int LitSizeMax )
{
int i;
if ( *pPos + LitSizeMax < 77 )
return;
fprintf( pFile, "\n" );
for ( i = 0; i < 10; i++ )
fprintf( pFile, " " );
*pPos = 10;
}
/**Function*************************************************************
Synopsis [Starts the printout for a factored form or cover.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Ft_FactorPrintOutputName( FILE * pFile, char * pNameOut, int fCompl )
{
if ( pNameOut == NULL )
return 0;
fprintf( pFile, "%6s%s = ", pNameOut, fCompl? "\'" : " " );
return 10;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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