Version abc70930

1 files changed, 0 insertions, 696 deletions

diff --git a/src/map/super/superAnd.c b/src/map/super/superAnd.c
deleted file mode 100644
index 52473fba..00000000
--- a/src/map/super/superAnd.c
+++ /dev/null
@@ -1,696 +0,0 @@
-/**CFile****************************************************************
-
-  FileName    [superAnd.c]
-
-  PackageName [MVSIS 1.3: Multi-valued logic synthesis system.]
-
-  Synopsis    [Pre-computation of supergates.]
-
-  Author      [MVSIS Group]
-  
-  Affiliation [UC Berkeley]
-
-  Date        [Ver. 1.0. Started - September 8, 2003.]
-
-  Revision    [$Id: superAnd.c,v 1.3 2004/06/28 14:20:25 alanmi Exp $]
-
-***********************************************************************/
-
-#include "superInt.h"
-
-////////////////////////////////////////////////////////////////////////
-///                        DECLARATIONS                              ///
-////////////////////////////////////////////////////////////////////////
-
-// the bit masks
-#define SUPER_MASK(n)     ((~((unsigned)0)) >> (32-n))
-#define SUPER_FULL         (~((unsigned)0))
-
-// data structure for AND2 subgraph precomputation
-typedef struct Super2_ManStruct_t_     Super2_Man_t;   // manager
-typedef struct Super2_LibStruct_t_     Super2_Lib_t;   // library
-typedef struct Super2_GateStruct_t_    Super2_Gate_t;  // supergate
-
-struct Super2_ManStruct_t_
-{
-    Extra_MmFixed_t *   pMem;         // memory manager for all supergates
-    stmm_table *        tTable;       // mapping of truth tables into gates
-    int                 nTried;       // the total number of tried
-};
-
-struct Super2_LibStruct_t_
-{
-    int                 i;            // used to iterate through the table
-    int                 k;            // used to iterate through the table
-    int                 nInputs;      // the number of inputs
-    int                 nMints;       // the number of minterms
-    int                 nLevels;      // the number of logic levels
-    int                 nGates;       // the number of gates in the library
-    int                 nGatesAlloc;  // the number of allocated places
-    Super2_Gate_t **    pGates;       // the gates themselves
-    unsigned            uMaskBit;     // the mask used to determine the compl bit
-};
-
-struct Super2_GateStruct_t_
-{
-    unsigned            uTruth;       // the truth table of this supergate
-    Super2_Gate_t *     pOne;         // the left wing
-    Super2_Gate_t *     pTwo;         // the right wing
-    Super2_Gate_t *     pNext;        // the next gate in the table
-};
-
-
-// manipulation of complemented attributes
-#define Super2_IsComplement(p)    (((int)((unsigned long) (p) & 01)))
-#define Super2_Regular(p)         ((Super2_Gate_t *)((unsigned long)(p) & ~01)) 
-#define Super2_Not(p)             ((Super2_Gate_t *)((unsigned long)(p) ^ 01)) 
-#define Super2_NotCond(p,c)       ((Super2_Gate_t *)((unsigned long)(p) ^ (c)))
-
-// iterating through the gates in the library
-#define Super2_LibForEachGate( Lib, Gate )                        \
-    for ( Lib->i = 0;                                             \
-          Lib->i < Lib->nGates && (Gate = Lib->pGates[Lib->i]);   \
-          Lib->i++ )
-#define Super2_LibForEachGate2( Lib, Gate2 )                      \
-    for ( Lib->k = 0;                                             \
-          Lib->k < Lib->i && (Gate2 = Lib->pGates[Lib->k]);       \
-          Lib->k++ )
-
-// static functions
-static Super2_Man_t * Super2_ManStart();
-static void           Super2_ManStop( Super2_Man_t * pMan );
-static Super2_Lib_t * Super2_LibStart();
-static Super2_Lib_t * Super2_LibDup( Super2_Lib_t * pLib );
-static void           Super2_LibStop( Super2_Lib_t * pLib );
-static void           Super2_LibAddGate( Super2_Lib_t * pLib, Super2_Gate_t * pGate );
-static Super2_Lib_t * Super2_LibFirst( Super2_Man_t * pMan, int nInputs );
-static Super2_Lib_t * Super2_LibCompute( Super2_Man_t * pMan, Super2_Lib_t * pLib );
-
-static void           Super2_LibWrite( Super2_Lib_t * pLib );
-static void           Super2_LibWriteGate( FILE * pFile, Super2_Lib_t * pLib, Super2_Gate_t * pGate );
-static char *         Super2_LibWriteGate_rec( Super2_Gate_t * pGate, int fInv, int Level );
-static int            Super2_LibWriteCompare( char * pStr1, char * pStr2 );
-static int            Super2_LibCompareGates( Super2_Gate_t ** ppG1, Super2_Gate_t ** ppG2 );
-
-////////////////////////////////////////////////////////////////////////
-///                     FUNCTION DEFINITIONS                         ///
-////////////////////////////////////////////////////////////////////////
-
-/**Function*************************************************************
-
-  Synopsis    [Precomputes the library of AND2 gates.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Super2_Precompute( int nInputs, int nLevels, int fVerbose )
-{
-    Super2_Man_t * pMan;
-    Super2_Lib_t * pLibCur, * pLibNext;
-    int Level;
-    int clk;
-
-    assert( nInputs < 6 );
-
-    // start the manager
-    pMan = Super2_ManStart();
-
-    // get the starting supergates
-    pLibCur = Super2_LibFirst( pMan, nInputs );
-
-    // perform the computation of supergates
-printf( "Computing supergates for %d inputs and %d levels:\n", nInputs, nLevels );
-    for ( Level = 1; Level <= nLevels; Level++ )
-    {
-clk = clock();
-        pLibNext = Super2_LibCompute( pMan, pLibCur );
-        pLibNext->nLevels = Level;
-        Super2_LibStop( pLibCur );
-        pLibCur = pLibNext;
-printf( "Level %d:  Tried = %7d.  Computed = %7d.  ", Level, pMan->nTried, pLibCur->nGates );
-PRT( "Runtime", clock() - clk );
-fflush( stdout );
-    }
-
-printf( "Writing the output file...\n" );
-fflush( stdout );
-    // write them into a file
-    Super2_LibWrite( pLibCur );
-    Super2_LibStop( pLibCur );
-
-    // stop the manager
-    Super2_ManStop( pMan );
-}
-
-
-
-
-/**Function*************************************************************
-
-  Synopsis    [Starts the manager.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-Super2_Man_t * Super2_ManStart()
-{
-    Super2_Man_t * pMan;
-    pMan = ALLOC( Super2_Man_t, 1 );
-    memset( pMan, 0, sizeof(Super2_Man_t) );
-    pMan->pMem   = Extra_MmFixedStart( sizeof(Super2_Gate_t) );
-    pMan->tTable = stmm_init_table( st_ptrcmp, st_ptrhash );
-    return pMan;
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Stops the manager.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Super2_ManStop( Super2_Man_t * pMan )
-{
-    Extra_MmFixedStop( pMan->pMem );
-    stmm_free_table( pMan->tTable );
-    free( pMan );
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Starts the library.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-Super2_Lib_t * Super2_LibStart()
-{
-    Super2_Lib_t * pLib;
-    pLib = ALLOC( Super2_Lib_t, 1 );
-    memset( pLib, 0, sizeof(Super2_Lib_t) );
-    return pLib;
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Duplicates the library.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-Super2_Lib_t * Super2_LibDup( Super2_Lib_t * pLib )
-{
-    Super2_Lib_t * pLibNew;
-    pLibNew = Super2_LibStart();
-    pLibNew->nInputs     = pLib->nInputs;
-    pLibNew->nMints      = pLib->nMints;
-    pLibNew->nLevels     = pLib->nLevels;
-    pLibNew->nGates      = pLib->nGates;
-    pLibNew->uMaskBit    = pLib->uMaskBit;
-    pLibNew->nGatesAlloc = 1000 + pLib->nGatesAlloc;
-    pLibNew->pGates      = ALLOC( Super2_Gate_t *, pLibNew->nGatesAlloc );
-    memcpy( pLibNew->pGates, pLib->pGates, pLibNew->nGates * sizeof(Super2_Gate_t *) );
-    return pLibNew;
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Add gate to the library.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Super2_LibAddGate( Super2_Lib_t * pLib, Super2_Gate_t * pGate )
-{
-    if ( pLib->nGates == pLib->nGatesAlloc )
-    {
-        pLib->pGates  = REALLOC( Super2_Gate_t *, pLib->pGates,  3 * pLib->nGatesAlloc );
-        pLib->nGatesAlloc *= 3;
-    }
-    pLib->pGates[ pLib->nGates++ ] = pGate;
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Stops the library.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Super2_LibStop( Super2_Lib_t * pLib )
-{
-    free( pLib->pGates );
-    free( pLib );
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Derives the starting supergates.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-Super2_Lib_t * Super2_LibFirst( Super2_Man_t * pMan, int nInputs )
-{
-    Super2_Lib_t * pLib;
-    int v, m;    
-
-    // start the library
-    pLib = Super2_LibStart();
-
-    // create the starting supergates
-    pLib->nInputs     = nInputs;
-    pLib->nMints      = (1 << nInputs);
-    pLib->nLevels     = 0;
-    pLib->nGates      = nInputs + 1;
-    pLib->nGatesAlloc = nInputs + 1;
-    pLib->uMaskBit    = (1 << (pLib->nMints-1));
-    pLib->pGates      = ALLOC( Super2_Gate_t *, nInputs + 1 );
-    // add the constant 0
-    pLib->pGates[0] = (Super2_Gate_t *)Extra_MmFixedEntryFetch( pMan->pMem );
-    memset( pLib->pGates[0], 0, sizeof(Super2_Gate_t) );
-    // add the elementary gates
-    for ( v = 0; v < nInputs; v++ )
-    {
-        pLib->pGates[v+1] = (Super2_Gate_t *)Extra_MmFixedEntryFetch( pMan->pMem );
-        memset( pLib->pGates[v+1], 0, sizeof(Super2_Gate_t) );
-        pLib->pGates[v+1]->pTwo = (Super2_Gate_t *)v;
-    }
-
-    // set up their truth tables
-    for ( m = 0; m < pLib->nMints; m++ )
-        for ( v = 0; v < nInputs; v++ )
-            if ( m & (1 << v) )
-                pLib->pGates[v+1]->uTruth |= (1 << m);
-    return pLib;
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Precomputes one level of supergates.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-Super2_Lib_t * Super2_LibCompute( Super2_Man_t * pMan, Super2_Lib_t * pLib )
-{
-    Super2_Lib_t * pLibNew;
-    Super2_Gate_t * pGate1, * pGate2, * pGateNew;
-    Super2_Gate_t ** ppGate;
-    unsigned Mask = SUPER_MASK(pLib->nMints);
-    unsigned uTruth, uTruthR, uTruth1, uTruth2, uTruth1c, uTruth2c;
-
-    // start the new library
-    pLibNew = Super2_LibDup( pLib );
-
-    // reset the hash table
-    stmm_free_table( pMan->tTable );
-    pMan->tTable = stmm_init_table( st_ptrcmp, st_ptrhash );
-    // set the starting things into the hash table
-    Super2_LibForEachGate( pLibNew, pGate1 )
-    {
-        uTruthR = ((pGate1->uTruth & pLibNew->uMaskBit)? Mask & ~pGate1->uTruth : pGate1->uTruth);
-
-        if ( stmm_lookup( pMan->tTable, (char *)uTruthR, (char **)&pGate2 ) )
-        {
-            printf( "New gate:\n" );
-            Super2_LibWriteGate( stdout, pLibNew, pGate1 );
-            printf( "Gate in the table:\n" );
-            Super2_LibWriteGate( stdout, pLibNew, pGate2 );
-            assert( 0 );
-        }
-        stmm_insert( pMan->tTable, (char *)uTruthR, (char *)pGate1 );
-    }
-
-
-    // set the number of gates tried
-    pMan->nTried = pLibNew->nGates;
-
-    // go through the gate pairs
-    Super2_LibForEachGate( pLib, pGate1 )
-    {
-        if ( pLib->i && pLib->i % 300 == 0 )
-        {
-            printf( "Tried %5d first gates...\n", pLib->i );
-            fflush( stdout );
-        }
-
-        Super2_LibForEachGate2( pLib, pGate2 )
-        {
-            uTruth1  = pGate1->uTruth;
-            uTruth2  = pGate2->uTruth;
-            uTruth1c = Mask & ~uTruth1;
-            uTruth2c = Mask & ~uTruth2;
-
-            // none complemented
-            uTruth  = uTruth1  & uTruth2;
-            uTruthR = ((uTruth & pLibNew->uMaskBit)? Mask & ~uTruth : uTruth);
-
-            if ( !stmm_find_or_add( pMan->tTable, (char *)uTruthR, (char ***)&ppGate ) )
-            {
-                pGateNew = (Super2_Gate_t *)Extra_MmFixedEntryFetch( pMan->pMem );
-                pGateNew->pOne  = pGate1;
-                pGateNew->pTwo  = pGate2;
-                pGateNew->uTruth = uTruth;
-                *ppGate = pGateNew;
-                Super2_LibAddGate( pLibNew, pGateNew );
-            }                
-
-            // one complemented
-            uTruth  = uTruth1c & uTruth2;
-            uTruthR = ((uTruth & pLibNew->uMaskBit)? Mask & ~uTruth : uTruth);
-
-            if ( !stmm_find_or_add( pMan->tTable, (char *)uTruthR, (char ***)&ppGate ) )
-            {
-                pGateNew = (Super2_Gate_t *)Extra_MmFixedEntryFetch( pMan->pMem );
-                pGateNew->pOne  = Super2_Not(pGate1);
-                pGateNew->pTwo  = pGate2;
-                pGateNew->uTruth = uTruth;
-                *ppGate = pGateNew;
-                Super2_LibAddGate( pLibNew, pGateNew );
-            }                
-
-            // another complemented
-            uTruth  = uTruth1  & uTruth2c;
-            uTruthR = ((uTruth & pLibNew->uMaskBit)? Mask & ~uTruth : uTruth);
-
-            if ( !stmm_find_or_add( pMan->tTable, (char *)uTruthR, (char ***)&ppGate ) )
-            {
-                pGateNew = (Super2_Gate_t *)Extra_MmFixedEntryFetch( pMan->pMem );
-                pGateNew->pOne  = pGate1;
-                pGateNew->pTwo  = Super2_Not(pGate2);
-                pGateNew->uTruth = uTruth;
-                *ppGate = pGateNew;
-                Super2_LibAddGate( pLibNew, pGateNew );
-            }                
-
-            // both complemented
-            uTruth  = uTruth1c & uTruth2c;
-            uTruthR = ((uTruth & pLibNew->uMaskBit)? Mask & ~uTruth : uTruth);
-
-            if ( !stmm_find_or_add( pMan->tTable, (char *)uTruthR, (char ***)&ppGate ) )
-            {
-                pGateNew = (Super2_Gate_t *)Extra_MmFixedEntryFetch( pMan->pMem );
-                pGateNew->pOne  = Super2_Not(pGate1);
-                pGateNew->pTwo  = Super2_Not(pGate2);
-                pGateNew->uTruth = uTruth;
-                *ppGate = pGateNew;
-                Super2_LibAddGate( pLibNew, pGateNew );
-            }                
-
-            pMan->nTried += 4;
-        }
-    }
-    return pLibNew;
-}
-
-
-static unsigned s_uMaskBit;
-static unsigned s_uMaskAll;
-
-/**Function*************************************************************
-
-  Synopsis    [Writes the library into the file.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Super2_LibWrite( Super2_Lib_t * pLib )
-{
-    Super2_Gate_t * pGate;
-    FILE * pFile;
-    char FileName[100];
-    int clk;
-
-    if ( pLib->nLevels > 5 )
-    {
-        printf( "Cannot write file for %d levels.\n", pLib->nLevels );
-        return;
-    }
-
-clk = clock();
-    // sort the supergates by truth table
-    s_uMaskBit = pLib->uMaskBit;
-    s_uMaskAll = SUPER_MASK(pLib->nMints);
-    qsort( (void *)pLib->pGates, pLib->nGates, sizeof(Super2_Gate_t *), 
-            (int (*)(const void *, const void *)) Super2_LibCompareGates );
-    assert( Super2_LibCompareGates( pLib->pGates, pLib->pGates + pLib->nGates - 1 ) < 0 );
-PRT( "Sorting", clock() - clk );
-
-
-    // start the file
-    sprintf( FileName, "superI%dL%d", pLib->nInputs, pLib->nLevels );
-    pFile = fopen( FileName, "w" );
-    fprintf( pFile, "# AND2/INV supergates derived on %s.\n", Extra_TimeStamp() );
-    fprintf( pFile, "# Command line: \"super2 -i %d -l %d\".\n", pLib->nInputs, pLib->nLevels );
-    fprintf( pFile, "# The number of inputs     = %6d.\n", pLib->nInputs );
-    fprintf( pFile, "# The number of levels     = %6d.\n", pLib->nLevels );
-    fprintf( pFile, "# The number of supergates = %6d.\n", pLib->nGates  );
-    fprintf( pFile, "# The total functions      = %6d.\n", (1<<(pLib->nMints-1)) );
-    fprintf( pFile, "\n" );
-    fprintf( pFile, "%6d\n", pLib->nGates );
-
-    // print the gates
-    Super2_LibForEachGate( pLib, pGate )
-        Super2_LibWriteGate( pFile, pLib, pGate );
-    fclose( pFile );
-
-    printf( "The supergates are written into file \"%s\" ", FileName );
-    printf( "(%0.2f Mb).\n", ((double)Extra_FileSize(FileName))/(1<<20) );
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Writes the gate into the file.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-int Super2_LibCompareGates( Super2_Gate_t ** ppG1, Super2_Gate_t ** ppG2 )
-{
-    Super2_Gate_t * pG1  = *ppG1;
-    Super2_Gate_t * pG2  = *ppG2;
-    unsigned uTruth1, uTruth2;
-
-    uTruth1 = (pG1->uTruth & s_uMaskBit)? s_uMaskAll & ~pG1->uTruth : pG1->uTruth;
-    uTruth2 = (pG2->uTruth & s_uMaskBit)? s_uMaskAll & ~pG2->uTruth : pG2->uTruth;
-
-    if ( uTruth1 < uTruth2 )
-        return -1;
-    return 1;
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Writes the gate into the file.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Super2_LibWriteGate( FILE * pFile, Super2_Lib_t * pLib, Super2_Gate_t * pGate )
-{
-//    unsigned uTruthR;
-    unsigned uTruth;
-    int fInv;
-
-    // check whether the gate need complementation
-    fInv = (int)(pGate->uTruth & pLib->uMaskBit);
-    uTruth = (fInv? ~pGate->uTruth : pGate->uTruth);
-/*
-    // reverse the truth table
-    uTruthR = 0;
-    for ( m = 0; m < pLib->nMints; m++ )
-        if ( uTruth & (1 << m) )
-            uTruthR |= (1 << (pLib->nMints-1-m));
-*/
-    // write the truth table
-    Extra_PrintBinary( pFile, &uTruth, pLib->nMints );
-    fprintf( pFile, "   " );
-    // write the symbolic expression
-    fprintf( pFile, "%s", Super2_LibWriteGate_rec( pGate, fInv, pLib->nLevels ) );
-    fprintf( pFile, "\n" );
-}
-
-
-/**Function*************************************************************
-
-  Synopsis    [Recursively writes the gate into the file.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-char * Super2_LibWriteGate_rec( Super2_Gate_t * pGate, int fInv, int Level )
-{
-    static char Buff01[  3], Buff02[  3];    // Max0              =  1
-    static char Buff11[  6], Buff12[  6];    // Max1 = 2*Max0 + 2 =  4
-    static char Buff21[ 12], Buff22[ 12];    // Max2 = 2*Max1 + 2 = 10
-    static char Buff31[ 25], Buff32[ 25];    // Max3 = 2*Max2 + 2 = 22
-    static char Buff41[ 50], Buff42[ 50];    // Max4 = 2*Max3 + 2 = 46
-    static char Buff51[100], Buff52[100];    // Max5 = 2*Max4 + 2 = 94
-    static char * pBuffs1[6] = { Buff01, Buff11, Buff21, Buff31, Buff41, Buff51 };
-    static char * pBuffs2[6] = { Buff02, Buff12, Buff22, Buff32, Buff42, Buff52 };
-    char * pBranch;
-    char * pBuffer1 = pBuffs1[Level];
-    char * pBuffer2 = pBuffs2[Level];
-    Super2_Gate_t * pGateNext1, * pGateNext2;
-    int fInvNext1, fInvNext2;
-    int RetValue;
-
-    // consider the last level
-    assert( Level >= 0 );
-    if ( pGate->pOne == NULL )
-    {
-        if ( pGate->uTruth == 0 )
-        {
-            pBuffer1[0] = (fInv? '1': '0');
-            pBuffer1[1] = '$';
-            pBuffer1[2] = 0;
-        }
-        else
-        {
-            pBuffer1[0] = (fInv? 'A' + ((int)pGate->pTwo): 'a' + ((int)pGate->pTwo));
-            pBuffer1[1] = 0;
-        }
-        return pBuffer1;
-    }
-    assert( Level > 0 );
-
-
-    // get the left branch
-    pGateNext1 = Super2_Regular(pGate->pOne);
-    fInvNext1  = Super2_IsComplement(pGate->pOne);
-    pBranch    = Super2_LibWriteGate_rec(pGateNext1, fInvNext1, Level - 1);
-    // copy into Buffer1
-    strcpy( pBuffer1, pBranch );
-
-    // get the right branch
-    pGateNext2 = Super2_Regular(pGate->pTwo);
-    fInvNext2  = Super2_IsComplement(pGate->pTwo);
-    pBranch    = Super2_LibWriteGate_rec(pGateNext2, fInvNext2, Level - 1);
-
-    // consider the case when comparison is not necessary
-    if ( fInvNext1 ^ fInvNext2 )
-    {
-        if ( fInvNext1 > fInvNext2 )
-            sprintf( pBuffer2, "%c%s%s%c", (fInv? '<': '('), pBuffer1, pBranch, (fInv? '>': ')') );
-        else
-            sprintf( pBuffer2, "%c%s%s%c", (fInv? '<': '('), pBranch, pBuffer1, (fInv? '>': ')') );
-    }
-    else
-    {
-        // compare the two branches
-        RetValue = Super2_LibWriteCompare( pBuffer1, pBranch );
-        if ( RetValue == 1 )
-            sprintf( pBuffer2, "%c%s%s%c", (fInv? '<': '('), pBuffer1, pBranch, (fInv? '>': ')') );
-        else // if ( RetValue == -1 )
-        {
-            sprintf( pBuffer2, "%c%s%s%c", (fInv? '<': '('), pBranch, pBuffer1, (fInv? '>': ')') );
-            if ( RetValue == 0 )
-                printf( "Strange!\n" );
-        }
-    }
-    return pBuffer2;
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Compares the two branches of the tree.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-int Super2_LibWriteCompare( char * pStr1, char * pStr2 )
-{
-    while ( 1 )
-    {
-        // skip extra symbols
-        while ( *pStr1 && *pStr1 < 'A' )
-            pStr1++;
-        while ( *pStr2 && *pStr2 < 'A' )
-            pStr2++;
-
-        // check if any one is finished
-        if ( *pStr1 == 0 || *pStr2 == 0 )
-        {
-            if ( *pStr2 )
-                return 1;
-            return -1;
-        }
-
-        // compare
-        if ( *pStr1 == *pStr2 )
-        {
-            pStr1++;
-            pStr2++;
-        }
-        else
-        {
-            if ( *pStr1 < *pStr2 )
-                return 1;
-            return -1;
-        }
-    }
-    return 0;
-}
-
-////////////////////////////////////////////////////////////////////////
-///                       END OF FILE                                ///
-////////////////////////////////////////////////////////////////////////
-
-