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abc/src/opt/lpk/lpkCut.c

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/**CFile****************************************************************
FileName [lpkCut.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Fast Boolean matching for LUT structures.]
Synopsis []
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - April 28, 2007.]
Revision [$Id: lpkCut.c,v 1.00 2007/04/28 00:00:00 alanmi Exp $]
***********************************************************************/
#include "lpkInt.h"
#include "bool/kit/cloud.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Computes the truth table of one cut.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
CloudNode * Lpk_CutTruthBdd_rec( CloudManager * dd, Hop_Man_t * pMan, Hop_Obj_t * pObj, int nVars )
{
CloudNode * pTruth, * pTruth0, * pTruth1;
assert( !Hop_IsComplement(pObj) );
if ( pObj->pData )
{
assert( ((unsigned)(ABC_PTRUINT_T)pObj->pData) & 0xffff0000 );
return (CloudNode *)pObj->pData;
}
// get the plan for a new truth table
if ( Hop_ObjIsConst1(pObj) )
pTruth = dd->one;
else
{
assert( Hop_ObjIsAnd(pObj) );
// compute the truth tables of the fanins
pTruth0 = Lpk_CutTruthBdd_rec( dd, pMan, Hop_ObjFanin0(pObj), nVars );
pTruth1 = Lpk_CutTruthBdd_rec( dd, pMan, Hop_ObjFanin1(pObj), nVars );
pTruth0 = Cloud_NotCond( pTruth0, Hop_ObjFaninC0(pObj) );
pTruth1 = Cloud_NotCond( pTruth1, Hop_ObjFaninC1(pObj) );
// creat the truth table of the node
pTruth = Cloud_bddAnd( dd, pTruth0, pTruth1 );
}
pObj->pData = pTruth;
return pTruth;
}
/**Function*************************************************************
Synopsis [Verifies that the factoring is correct.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
CloudNode * Lpk_CutTruthBdd( Lpk_Man_t * p, Lpk_Cut_t * pCut )
{
CloudManager * dd = p->pDsdMan->dd;
Hop_Man_t * pManHop = (Hop_Man_t *)p->pNtk->pManFunc;
Hop_Obj_t * pObjHop;
Abc_Obj_t * pObj, * pFanin;
CloudNode * pTruth = NULL; // Suppress "might be used uninitialized"
int i, k;
// return NULL;
// Lpk_NodePrintCut( p, pCut );
// initialize the leaves
Lpk_CutForEachLeaf( p->pNtk, pCut, pObj, i )
pObj->pCopy = (Abc_Obj_t *)dd->vars[pCut->nLeaves-1-i];
// construct truth table in the topological order
Lpk_CutForEachNodeReverse( p->pNtk, pCut, pObj, i )
{
// get the local AIG
pObjHop = Hop_Regular((Hop_Obj_t *)pObj->pData);
// clean the data field of the nodes in the AIG subgraph
Hop_ObjCleanData_rec( pObjHop );
// set the initial truth tables at the fanins
Abc_ObjForEachFanin( pObj, pFanin, k )
{
assert( ((unsigned)(ABC_PTRUINT_T)pFanin->pCopy) & 0xffff0000 );
Hop_ManPi( pManHop, k )->pData = pFanin->pCopy;
}
// compute the truth table of internal nodes
pTruth = Lpk_CutTruthBdd_rec( dd, pManHop, pObjHop, pCut->nLeaves );
if ( Hop_IsComplement((Hop_Obj_t *)pObj->pData) )
pTruth = Cloud_Not(pTruth);
// set the truth table at the node
pObj->pCopy = (Abc_Obj_t *)pTruth;
}
// Cloud_bddPrint( dd, pTruth );
// printf( "Bdd size = %d. Total nodes = %d.\n", Cloud_DagSize( dd, pTruth ), dd->nNodesCur-dd->nVars-1 );
return pTruth;
}
/**Function*************************************************************
Synopsis [Computes the truth table of one cut.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
unsigned * Lpk_CutTruth_rec( Hop_Man_t * pMan, Hop_Obj_t * pObj, int nVars, Vec_Ptr_t * vTtNodes, int * piCount )
{
unsigned * pTruth, * pTruth0, * pTruth1;
assert( !Hop_IsComplement(pObj) );
if ( pObj->pData )
{
assert( ((unsigned)(ABC_PTRUINT_T)pObj->pData) & 0xffff0000 );
return (unsigned *)pObj->pData;
}
// get the plan for a new truth table
pTruth = (unsigned *)Vec_PtrEntry( vTtNodes, (*piCount)++ );
if ( Hop_ObjIsConst1(pObj) )
Kit_TruthFill( pTruth, nVars );
else
{
assert( Hop_ObjIsAnd(pObj) );
// compute the truth tables of the fanins
pTruth0 = Lpk_CutTruth_rec( pMan, Hop_ObjFanin0(pObj), nVars, vTtNodes, piCount );
pTruth1 = Lpk_CutTruth_rec( pMan, Hop_ObjFanin1(pObj), nVars, vTtNodes, piCount );
// creat the truth table of the node
Kit_TruthAndPhase( pTruth, pTruth0, pTruth1, nVars, Hop_ObjFaninC0(pObj), Hop_ObjFaninC1(pObj) );
}
pObj->pData = pTruth;
return pTruth;
}
/**Function*************************************************************
Synopsis [Computes the truth able of one cut.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
unsigned * Lpk_CutTruth( Lpk_Man_t * p, Lpk_Cut_t * pCut, int fInv )
{
Hop_Man_t * pManHop = (Hop_Man_t *)p->pNtk->pManFunc;
Hop_Obj_t * pObjHop;
Abc_Obj_t * pObj = NULL; // Suppress "might be used uninitialized"
Abc_Obj_t * pFanin;
unsigned * pTruth = NULL; // Suppress "might be used uninitialized"
int i, k, iCount = 0;
// Lpk_NodePrintCut( p, pCut );
assert( pCut->nNodes > 0 );
// initialize the leaves
Lpk_CutForEachLeaf( p->pNtk, pCut, pObj, i )
pObj->pCopy = (Abc_Obj_t *)Vec_PtrEntry( p->vTtElems, fInv? pCut->nLeaves-1-i : i );
// construct truth table in the topological order
Lpk_CutForEachNodeReverse( p->pNtk, pCut, pObj, i )
{
// get the local AIG
pObjHop = Hop_Regular((Hop_Obj_t *)pObj->pData);
// clean the data field of the nodes in the AIG subgraph
Hop_ObjCleanData_rec( pObjHop );
// set the initial truth tables at the fanins
Abc_ObjForEachFanin( pObj, pFanin, k )
{
assert( ((unsigned)(ABC_PTRUINT_T)pFanin->pCopy) & 0xffff0000 );
Hop_ManPi( pManHop, k )->pData = pFanin->pCopy;
}
// compute the truth table of internal nodes
pTruth = Lpk_CutTruth_rec( pManHop, pObjHop, pCut->nLeaves, p->vTtNodes, &iCount );
if ( Hop_IsComplement((Hop_Obj_t *)pObj->pData) )
Kit_TruthNot( pTruth, pTruth, pCut->nLeaves );
// set the truth table at the node
pObj->pCopy = (Abc_Obj_t *)pTruth;
}
// make sure direct truth table is stored elsewhere (assuming the first call for direct truth!!!)
if ( fInv == 0 )
{
pTruth = (unsigned *)Vec_PtrEntry( p->vTtNodes, iCount++ );
Kit_TruthCopy( pTruth, (unsigned *)(ABC_PTRUINT_T)pObj->pCopy, pCut->nLeaves );
}
assert( iCount <= Vec_PtrSize(p->vTtNodes) );
return pTruth;
}
/**Function*************************************************************
Synopsis [Returns 1 if at least one entry has changed.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Lpk_NodeRecordImpact( Lpk_Man_t * p )
{
Lpk_Cut_t * pCut;
Vec_Ptr_t * vNodes = Vec_VecEntry( p->vVisited, p->pObj->Id );
Abc_Obj_t * pNode, * pNode2;
int i, k;
// collect the nodes that impact the given node
Vec_PtrClear( vNodes );
for ( i = 0; i < p->nCuts; i++ )
{
pCut = p->pCuts + i;
for ( k = 0; k < (int)pCut->nLeaves; k++ )
{
pNode = Abc_NtkObj( p->pNtk, pCut->pLeaves[k] );
if ( pNode->fMarkC )
continue;
pNode->fMarkC = 1;
Vec_PtrPush( vNodes, (void *)(ABC_PTRUINT_T)pNode->Id );
Vec_PtrPush( vNodes, (void *)(ABC_PTRUINT_T)Abc_ObjFanoutNum(pNode) );
}
}
// clear the marks
Vec_PtrForEachEntryDouble( Abc_Obj_t *, Abc_Obj_t *, vNodes, pNode, pNode2, i )
{
pNode = Abc_NtkObj( p->pNtk, (int)(ABC_PTRUINT_T)pNode );
pNode->fMarkC = 0;
// i++;
}
//printf( "%d ", Vec_PtrSize(vNodes) );
}
/**Function*************************************************************
Synopsis [Returns 1 if the cut has structural DSD.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Lpk_NodeCutsCheckDsd( Lpk_Man_t * p, Lpk_Cut_t * pCut )
{
Abc_Obj_t * pObj, * pFanin;
int i, k, nCands, fLeavesOnly, RetValue;
assert( pCut->nLeaves > 0 );
// clear ref counters
memset( p->pRefs, 0, sizeof(int) * pCut->nLeaves );
// mark cut leaves
Lpk_CutForEachLeaf( p->pNtk, pCut, pObj, i )
{
assert( pObj->fMarkA == 0 );
pObj->fMarkA = 1;
pObj->pCopy = (Abc_Obj_t *)(ABC_PTRUINT_T)i;
}
// ref leaves pointed from the internal nodes
nCands = 0;
Lpk_CutForEachNode( p->pNtk, pCut, pObj, i )
{
fLeavesOnly = 1;
Abc_ObjForEachFanin( pObj, pFanin, k )
if ( pFanin->fMarkA )
p->pRefs[(int)(ABC_PTRUINT_T)pFanin->pCopy]++;
else
fLeavesOnly = 0;
if ( fLeavesOnly )
p->pCands[nCands++] = pObj->Id;
}
// look at the nodes that only point to the leaves
RetValue = 0;
for ( i = 0; i < nCands; i++ )
{
pObj = Abc_NtkObj( p->pNtk, p->pCands[i] );
Abc_ObjForEachFanin( pObj, pFanin, k )
{
assert( pFanin->fMarkA == 1 );
if ( p->pRefs[(int)(ABC_PTRUINT_T)pFanin->pCopy] > 1 )
break;
}
if ( k == Abc_ObjFaninNum(pObj) )
{
RetValue = 1;
break;
}
}
// unmark cut leaves
Lpk_CutForEachLeaf( p->pNtk, pCut, pObj, i )
pObj->fMarkA = 0;
return RetValue;
}
/**Function*************************************************************
Synopsis [Returns 1 if pDom is contained in pCut.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
static inline int Lpk_NodeCutsOneDominance( Lpk_Cut_t * pDom, Lpk_Cut_t * pCut )
{
int i, k;
for ( i = 0; i < (int)pDom->nLeaves; i++ )
{
for ( k = 0; k < (int)pCut->nLeaves; k++ )
if ( pDom->pLeaves[i] == pCut->pLeaves[k] )
break;
if ( k == (int)pCut->nLeaves ) // node i in pDom is not contained in pCut
return 0;
}
// every node in pDom is contained in pCut
return 1;
}
/**Function*************************************************************
Synopsis [Check if the cut exists.]
Description [Returns 1 if the cut exists.]
SideEffects []
SeeAlso []
***********************************************************************/
int Lpk_NodeCutsOneFilter( Lpk_Cut_t * pCuts, int nCuts, Lpk_Cut_t * pCutNew )
{
Lpk_Cut_t * pCut;
int i, k;
assert( pCutNew->uSign[0] || pCutNew->uSign[1] );
// try to find the cut
for ( i = 0; i < nCuts; i++ )
{
pCut = pCuts + i;
if ( pCut->nLeaves == 0 )
continue;
if ( pCut->nLeaves == pCutNew->nLeaves )
{
if ( pCut->uSign[0] == pCutNew->uSign[0] && pCut->uSign[1] == pCutNew->uSign[1] )
{
for ( k = 0; k < (int)pCutNew->nLeaves; k++ )
if ( pCut->pLeaves[k] != pCutNew->pLeaves[k] )
break;
if ( k == (int)pCutNew->nLeaves )
return 1;
}
continue;
}
if ( pCut->nLeaves < pCutNew->nLeaves )
{
// skip the non-contained cuts
if ( (pCut->uSign[0] & pCutNew->uSign[0]) != pCut->uSign[0] )
continue;
if ( (pCut->uSign[1] & pCutNew->uSign[1]) != pCut->uSign[1] )
continue;
// check containment seriously
if ( Lpk_NodeCutsOneDominance( pCut, pCutNew ) )
return 1;
continue;
}
// check potential containment of other cut
// skip the non-contained cuts
if ( (pCut->uSign[0] & pCutNew->uSign[0]) != pCutNew->uSign[0] )
continue;
if ( (pCut->uSign[1] & pCutNew->uSign[1]) != pCutNew->uSign[1] )
continue;
// check containment seriously
if ( Lpk_NodeCutsOneDominance( pCutNew, pCut ) )
pCut->nLeaves = 0; // removed
}
return 0;
}
/**Function*************************************************************
Synopsis [Prints the given cut.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Lpk_NodePrintCut( Lpk_Man_t * p, Lpk_Cut_t * pCut, int fLeavesOnly )
{
Abc_Obj_t * pObj;
int i;
if ( !fLeavesOnly )
printf( "LEAVES:\n" );
Lpk_CutForEachLeaf( p->pNtk, pCut, pObj, i )
printf( "%d,", pObj->Id );
if ( !fLeavesOnly )
{
printf( "\nNODES:\n" );
Lpk_CutForEachNode( p->pNtk, pCut, pObj, i )
{
printf( "%d,", pObj->Id );
assert( Abc_ObjIsNode(pObj) );
}
printf( "\n" );
}
}
/**Function*************************************************************
Synopsis [Set the cut signature.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Lpk_NodeCutSignature( Lpk_Cut_t * pCut )
{
unsigned i;
pCut->uSign[0] = pCut->uSign[1] = 0;
for ( i = 0; i < pCut->nLeaves; i++ )
{
pCut->uSign[(pCut->pLeaves[i] & 32) > 0] |= (1 << (pCut->pLeaves[i] & 31));
if ( i != pCut->nLeaves - 1 )
assert( pCut->pLeaves[i] < pCut->pLeaves[i+1] );
}
}
/**Function*************************************************************
Synopsis [Computes the set of all cuts.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Lpk_NodeCutsOne( Lpk_Man_t * p, Lpk_Cut_t * pCut, int Node )
{
Lpk_Cut_t * pCutNew;
Abc_Obj_t * pObj, * pFanin;
int i, k, j, nLeavesNew;
/*
printf( "Exploring cut " );
Lpk_NodePrintCut( p, pCut, 1 );
printf( "with node %d\n", Node );
*/
// check if the cut can stand adding one more internal node
if ( pCut->nNodes == LPK_SIZE_MAX )
return;
// if the node is a PI, quit
pObj = Abc_NtkObj( p->pNtk, Node );
if ( Abc_ObjIsCi(pObj) )
return;
assert( Abc_ObjIsNode(pObj) );
// assert( Abc_ObjFaninNum(pObj) <= p->pPars->nLutSize );
// if the node is not in the MFFC, check the limit
if ( !Abc_NodeIsTravIdCurrent(pObj) )
{
if ( (int)pCut->nNodesDup == p->pPars->nLutsOver )
return;
assert( (int)pCut->nNodesDup < p->pPars->nLutsOver );
}
// check the possibility of adding this node using the signature
nLeavesNew = pCut->nLeaves - 1;
Abc_ObjForEachFanin( pObj, pFanin, i )
{
if ( (pCut->uSign[(pFanin->Id & 32) > 0] & (1 << (pFanin->Id & 31))) )
continue;
if ( ++nLeavesNew > p->pPars->nVarsMax )
return;
}
// initialize the set of leaves to the nodes in the cut
assert( p->nCuts < LPK_CUTS_MAX );
pCutNew = p->pCuts + p->nCuts;
pCutNew->nLeaves = 0;
for ( i = 0; i < (int)pCut->nLeaves; i++ )
if ( pCut->pLeaves[i] != Node )
pCutNew->pLeaves[pCutNew->nLeaves++] = pCut->pLeaves[i];
// add new nodes
Abc_ObjForEachFanin( pObj, pFanin, i )
{
// find the place where this node belongs
for ( k = 0; k < (int)pCutNew->nLeaves; k++ )
if ( pCutNew->pLeaves[k] >= pFanin->Id )
break;
if ( k < (int)pCutNew->nLeaves && pCutNew->pLeaves[k] == pFanin->Id )
continue;
// check if there is room
if ( (int)pCutNew->nLeaves == p->pPars->nVarsMax )
return;
// move all the nodes
for ( j = pCutNew->nLeaves; j > k; j-- )
pCutNew->pLeaves[j] = pCutNew->pLeaves[j-1];
pCutNew->pLeaves[k] = pFanin->Id;
pCutNew->nLeaves++;
assert( pCutNew->nLeaves <= LPK_SIZE_MAX );
}
// skip the contained cuts
Lpk_NodeCutSignature( pCutNew );
if ( Lpk_NodeCutsOneFilter( p->pCuts, p->nCuts, pCutNew ) )
return;
// update the set of internal nodes
assert( pCut->nNodes < LPK_SIZE_MAX );
memcpy( pCutNew->pNodes, pCut->pNodes, pCut->nNodes * sizeof(int) );
pCutNew->nNodes = pCut->nNodes;
pCutNew->nNodesDup = pCut->nNodesDup;
// check if the node is already there
// if so, move the node to be the last
for ( i = 0; i < (int)pCutNew->nNodes; i++ )
if ( pCutNew->pNodes[i] == Node )
{
for ( k = i; k < (int)pCutNew->nNodes - 1; k++ )
pCutNew->pNodes[k] = pCutNew->pNodes[k+1];
pCutNew->pNodes[k] = Node;
break;
}
if ( i == (int)pCutNew->nNodes ) // new node
{
pCutNew->pNodes[ pCutNew->nNodes++ ] = Node;
pCutNew->nNodesDup += !Abc_NodeIsTravIdCurrent(pObj);
}
// the number of nodes does not exceed MFFC plus duplications
assert( pCutNew->nNodes <= p->nMffc + pCutNew->nNodesDup );
// add the cut to storage
assert( p->nCuts < LPK_CUTS_MAX );
p->nCuts++;
}
/**Function*************************************************************
Synopsis [Count support.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Lpk_CountSupp( Abc_Ntk_t * p, Vec_Ptr_t * vNodes )
{
Abc_Obj_t * pObj, * pFanin;
int i, k, Count = 0;
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
{
Abc_ObjForEachFanin( pObj, pFanin, k )
{
if ( Abc_NodeIsTravIdCurrent(pFanin) )
continue;
Count += !pFanin->fPersist;
pFanin->fPersist = 1;
}
}
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
Abc_ObjForEachFanin( pObj, pFanin, k )
pFanin->fPersist = 0;
return Count;
}
/**Function*************************************************************
Synopsis [Computes the set of all cuts.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Lpk_NodeCuts( Lpk_Man_t * p )
{
Lpk_Cut_t * pCut, * pCut2;
int i, k, Temp, nMffc, fChanges;
//int nSupp;
// mark the MFFC of the node with the current trav ID
Vec_PtrClear( p->vTemp );
nMffc = p->nMffc = Abc_NodeMffcLabel( p->pObj, p->vTemp );
assert( nMffc > 0 );
if ( nMffc == 1 )
return 0;
/*
// count the leaves
nSupp = Lpk_CountSupp( p->pNtk, p->vTemp );
if ( nMffc > 10 && nSupp <= 10 )
printf( "Obj = %4d : Supp = %4d. Mffc = %4d.\n", p->pObj->Id, nSupp, nMffc );
*/
// initialize the first cut
pCut = p->pCuts; p->nCuts = 1;
pCut->nNodes = 0;
pCut->nNodesDup = 0;
pCut->nLeaves = 1;
pCut->pLeaves[0] = p->pObj->Id;
// assign the signature
Lpk_NodeCutSignature( pCut );
// perform the cut computation
for ( i = 0; i < p->nCuts; i++ )
{
pCut = p->pCuts + i;
if ( pCut->nLeaves == 0 )
continue;
// try to expand the fanins of this cut
for ( k = 0; k < (int)pCut->nLeaves; k++ )
{
// create a new cut
Lpk_NodeCutsOne( p, pCut, pCut->pLeaves[k] );
// quit if the number of cuts has exceeded the limit
if ( p->nCuts == LPK_CUTS_MAX )
break;
}
if ( p->nCuts == LPK_CUTS_MAX )
break;
}
if ( p->nCuts == LPK_CUTS_MAX )
p->nNodesOver++;
// record the impact of this node
if ( p->pPars->fSatur )
Lpk_NodeRecordImpact( p );
// compress the cuts by removing empty ones, those with negative Weight, and decomposable ones
p->nEvals = 0;
for ( i = 0; i < p->nCuts; i++ )
{
pCut = p->pCuts + i;
if ( pCut->nLeaves < 2 )
continue;
// compute the minimum number of LUTs needed to implement this cut
// V = N * (K-1) + 1 ~~~~~ N = Ceiling[(V-1)/(K-1)] = (V-1)/(K-1) + [(V-1)%(K-1) > 0]
pCut->nLuts = Lpk_LutNumLuts( pCut->nLeaves, p->pPars->nLutSize );
// pCut->Weight = (float)1.0 * (pCut->nNodes - pCut->nNodesDup - 1) / pCut->nLuts; //p->pPars->nLutsMax;
pCut->Weight = (float)1.0 * (pCut->nNodes - pCut->nNodesDup) / pCut->nLuts; //p->pPars->nLutsMax;
if ( pCut->Weight <= 1.001 )
// if ( pCut->Weight <= 0.999 )
continue;
pCut->fHasDsd = Lpk_NodeCutsCheckDsd( p, pCut );
if ( pCut->fHasDsd )
continue;
p->pEvals[p->nEvals++] = i;
// if ( pCut->nLeaves <= 9 && pCut->nNodes > 15 )
// printf( "%5d : Obj = %4d Leaves = %4d Nodes = %4d LUTs = %4d\n", i, p->pObj->Id, pCut->nLeaves, pCut->nNodes, pCut->nLuts );
}
if ( p->nEvals == 0 )
return 0;
// sort the cuts by Weight
do {
fChanges = 0;
for ( i = 0; i < p->nEvals - 1; i++ )
{
pCut = p->pCuts + p->pEvals[i];
pCut2 = p->pCuts + p->pEvals[i+1];
if ( pCut->Weight >= pCut2->Weight - 0.001 )
continue;
Temp = p->pEvals[i];
p->pEvals[i] = p->pEvals[i+1];
p->pEvals[i+1] = Temp;
fChanges = 1;
}
} while ( fChanges );
/*
for ( i = 0; i < p->nEvals; i++ )
{
pCut = p->pCuts + p->pEvals[i];
printf( "Cut %3d : W = %5.2f.\n", i, pCut->Weight );
}
printf( "\n" );
*/
return 1;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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