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/**CFile****************************************************************
FileName [kit.h]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Computation kit.]
Synopsis [External declarations.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - Dec 6, 2006.]
Revision [$Id: kit.h,v 1.00 2006/12/06 00:00:00 alanmi Exp $]
***********************************************************************/
#ifndef __KIT_H__
#define __KIT_H__
#ifdef __cplusplus
extern "C" {
#endif
////////////////////////////////////////////////////////////////////////
/// INCLUDES ///
////////////////////////////////////////////////////////////////////////
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <time.h>
#include "vec.h"
////////////////////////////////////////////////////////////////////////
/// PARAMETERS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// BASIC TYPES ///
////////////////////////////////////////////////////////////////////////
typedef struct Kit_Sop_t_ Kit_Sop_t;
struct Kit_Sop_t_
{
int nCubes; // the number of cubes
unsigned * pCubes; // the storage for cubes
};
typedef struct Kit_Edge_t_ Kit_Edge_t;
struct Kit_Edge_t_
{
unsigned fCompl : 1; // the complemented bit
unsigned Node : 30; // the decomposition node pointed by the edge
};
typedef struct Kit_Node_t_ Kit_Node_t;
struct Kit_Node_t_
{
Kit_Edge_t eEdge0; // the left child of the node
Kit_Edge_t eEdge1; // the right child of the node
// other info
void * pFunc; // the function of the node (BDD or AIG)
unsigned Level : 14; // the level of this node in the global AIG
// printing info
unsigned fNodeOr : 1; // marks the original OR node
unsigned fCompl0 : 1; // marks the original complemented edge
unsigned fCompl1 : 1; // marks the original complemented edge
// latch info
unsigned nLat0 : 5; // the number of latches on the first edge
unsigned nLat1 : 5; // the number of latches on the second edge
unsigned nLat2 : 5; // the number of latches on the output edge
};
typedef struct Kit_Graph_t_ Kit_Graph_t;
struct Kit_Graph_t_
{
int fConst; // marks the constant 1 graph
int nLeaves; // the number of leaves
int nSize; // the number of nodes (including the leaves)
int nCap; // the number of allocated nodes
Kit_Node_t * pNodes; // the array of leaves and internal nodes
Kit_Edge_t eRoot; // the pointer to the topmost node
};
////////////////////////////////////////////////////////////////////////
/// MACRO DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
#define KIT_MIN(a,b) (((a) < (b))? (a) : (b))
#define KIT_MAX(a,b) (((a) > (b))? (a) : (b))
#ifndef ALLOC
#define ALLOC(type, num) ((type *) malloc(sizeof(type) * (num)))
#endif
#ifndef FREE
#define FREE(obj) ((obj) ? (free((char *) (obj)), (obj) = 0) : 0)
#endif
#ifndef REALLOC
#define REALLOC(type, obj, num) \
((obj) ? ((type *) realloc((char *)(obj), sizeof(type) * (num))) : \
((type *) malloc(sizeof(type) * (num))))
#endif
static inline int Kit_CubeHasLit( unsigned uCube, int i ) { return(uCube & (unsigned)(1<<i)) > 0; }
static inline unsigned Kit_CubeSetLit( unsigned uCube, int i ) { return uCube | (unsigned)(1<<i); }
static inline unsigned Kit_CubeXorLit( unsigned uCube, int i ) { return uCube ^ (unsigned)(1<<i); }
static inline unsigned Kit_CubeRemLit( unsigned uCube, int i ) { return uCube & ~(unsigned)(1<<i); }
static inline int Kit_CubeContains( unsigned uLarge, unsigned uSmall ) { return (uLarge & uSmall) == uSmall; }
static inline unsigned Kit_CubeSharp( unsigned uCube, unsigned uMask ) { return uCube & ~uMask; }
static inline unsigned Kit_CubeMask( int nVar ) { return (~(unsigned)0) >> (32-nVar); }
static inline int Kit_CubeIsMarked( unsigned uCube ) { return Kit_CubeHasLit( uCube, 31 ); }
static inline unsigned Kit_CubeMark( unsigned uCube ) { return Kit_CubeSetLit( uCube, 31 ); }
static inline unsigned Kit_CubeUnmark( unsigned uCube ) { return Kit_CubeRemLit( uCube, 31 ); }
static inline int Kit_SopCubeNum( Kit_Sop_t * cSop ) { return cSop->nCubes; }
static inline unsigned Kit_SopCube( Kit_Sop_t * cSop, int i ) { return cSop->pCubes[i]; }
static inline void Kit_SopShrink( Kit_Sop_t * cSop, int nCubesNew ) { cSop->nCubes = nCubesNew; }
static inline void Kit_SopPushCube( Kit_Sop_t * cSop, unsigned uCube ) { cSop->pCubes[cSop->nCubes++] = uCube; }
static inline void Kit_SopWriteCube( Kit_Sop_t * cSop, unsigned uCube, int i ) { cSop->pCubes[i] = uCube; }
static inline Kit_Edge_t Kit_EdgeCreate( int Node, int fCompl ) { Kit_Edge_t eEdge = { fCompl, Node }; return eEdge; }
static inline unsigned Kit_EdgeToInt( Kit_Edge_t eEdge ) { return (eEdge.Node << 1) | eEdge.fCompl; }
static inline Kit_Edge_t Kit_IntToEdge( unsigned Edge ) { return Kit_EdgeCreate( Edge >> 1, Edge & 1 ); }
static inline unsigned Kit_EdgeToInt_( Kit_Edge_t eEdge ) { return *(unsigned *)&eEdge; }
static inline Kit_Edge_t Kit_IntToEdge_( unsigned Edge ) { return *(Kit_Edge_t *)&Edge; }
static inline int Kit_GraphIsConst( Kit_Graph_t * pGraph ) { return pGraph->fConst; }
static inline int Kit_GraphIsConst0( Kit_Graph_t * pGraph ) { return pGraph->fConst && pGraph->eRoot.fCompl; }
static inline int Kit_GraphIsConst1( Kit_Graph_t * pGraph ) { return pGraph->fConst && !pGraph->eRoot.fCompl; }
static inline int Kit_GraphIsComplement( Kit_Graph_t * pGraph ) { return pGraph->eRoot.fCompl; }
static inline int Kit_GraphIsVar( Kit_Graph_t * pGraph ) { return pGraph->eRoot.Node < (unsigned)pGraph->nLeaves; }
static inline void Kit_GraphComplement( Kit_Graph_t * pGraph ) { pGraph->eRoot.fCompl ^= 1; }
static inline void Kit_GraphSetRoot( Kit_Graph_t * pGraph, Kit_Edge_t eRoot ) { pGraph->eRoot = eRoot; }
static inline int Kit_GraphLeaveNum( Kit_Graph_t * pGraph ) { return pGraph->nLeaves; }
static inline int Kit_GraphNodeNum( Kit_Graph_t * pGraph ) { return pGraph->nSize - pGraph->nLeaves; }
static inline Kit_Node_t * Kit_GraphNode( Kit_Graph_t * pGraph, int i ) { return pGraph->pNodes + i; }
static inline Kit_Node_t * Kit_GraphNodeLast( Kit_Graph_t * pGraph ) { return pGraph->pNodes + pGraph->nSize - 1; }
static inline int Kit_GraphNodeInt( Kit_Graph_t * pGraph, Kit_Node_t * pNode ) { return pNode - pGraph->pNodes; }
static inline int Kit_GraphNodeIsVar( Kit_Graph_t * pGraph, Kit_Node_t * pNode ) { return Kit_GraphNodeInt(pGraph,pNode) < pGraph->nLeaves; }
static inline Kit_Node_t * Kit_GraphVar( Kit_Graph_t * pGraph ) { assert( Kit_GraphIsVar( pGraph ) ); return Kit_GraphNode( pGraph, pGraph->eRoot.Node ); }
static inline int Kit_GraphVarInt( Kit_Graph_t * pGraph ) { assert( Kit_GraphIsVar( pGraph ) ); return Kit_GraphNodeInt( pGraph, Kit_GraphVar(pGraph) ); }
static inline Kit_Node_t * Kit_GraphNodeFanin0( Kit_Graph_t * pGraph, Kit_Node_t * pNode ){ return Kit_GraphNodeIsVar(pGraph, pNode)? NULL : Kit_GraphNode(pGraph, pNode->eEdge0.Node); }
static inline Kit_Node_t * Kit_GraphNodeFanin1( Kit_Graph_t * pGraph, Kit_Node_t * pNode ){ return Kit_GraphNodeIsVar(pGraph, pNode)? NULL : Kit_GraphNode(pGraph, pNode->eEdge1.Node); }
static inline int Kit_Float2Int( float Val ) { return *((int *)&Val); }
static inline float Kit_Int2Float( int Num ) { return *((float *)&Num); }
static inline int Kit_BitWordNum( int nBits ) { return nBits/(8*sizeof(unsigned)) + ((nBits%(8*sizeof(unsigned))) > 0); }
static inline int Kit_TruthWordNum( int nVars ) { return nVars <= 5 ? 1 : (1 << (nVars - 5)); }
static inline unsigned Kit_BitMask( int nBits ) { assert( nBits <= 32 ); return ~((~(unsigned)0) << nBits); }
static inline void Kit_TruthSetBit( unsigned * p, int Bit ) { p[Bit>>5] |= (1<<(Bit & 31)); }
static inline void Kit_TruthXorBit( unsigned * p, int Bit ) { p[Bit>>5] ^= (1<<(Bit & 31)); }
static inline int Kit_TruthHasBit( unsigned * p, int Bit ) { return (p[Bit>>5] & (1<<(Bit & 31))) > 0; }
static inline int Kit_WordFindFirstBit( unsigned uWord )
{
int i;
for ( i = 0; i < 32; i++ )
if ( uWord & (1 << i) )
return i;
return -1;
}
static inline int Kit_WordCountOnes( unsigned uWord )
{
uWord = (uWord & 0x55555555) + ((uWord>>1) & 0x55555555);
uWord = (uWord & 0x33333333) + ((uWord>>2) & 0x33333333);
uWord = (uWord & 0x0F0F0F0F) + ((uWord>>4) & 0x0F0F0F0F);
uWord = (uWord & 0x00FF00FF) + ((uWord>>8) & 0x00FF00FF);
return (uWord & 0x0000FFFF) + (uWord>>16);
}
static inline int Kit_TruthCountOnes( unsigned * pIn, int nVars )
{
int w, Counter = 0;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
Counter += Kit_WordCountOnes(pIn[w]);
return Counter;
}
static inline int Kit_TruthIsEqual( unsigned * pIn0, unsigned * pIn1, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
if ( pIn0[w] != pIn1[w] )
return 0;
return 1;
}
static inline int Kit_TruthIsOpposite( unsigned * pIn0, unsigned * pIn1, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
if ( pIn0[w] != ~pIn1[w] )
return 0;
return 1;
}
static inline int Kit_TruthIsEqualWithPhase( unsigned * pIn0, unsigned * pIn1, int nVars )
{
int w;
if ( (pIn0[0] & 1) == (pIn1[0] & 1) )
{
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
if ( pIn0[w] != pIn1[w] )
return 0;
}
else
{
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
if ( pIn0[w] != ~pIn1[w] )
return 0;
}
return 1;
}
static inline int Kit_TruthIsConst0( unsigned * pIn, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
if ( pIn[w] )
return 0;
return 1;
}
static inline int Kit_TruthIsConst1( unsigned * pIn, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
if ( pIn[w] != ~(unsigned)0 )
return 0;
return 1;
}
static inline int Kit_TruthIsImply( unsigned * pIn1, unsigned * pIn2, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
if ( pIn1[w] & ~pIn2[w] )
return 0;
return 1;
}
static inline int Kit_TruthIsDisjoint( unsigned * pIn1, unsigned * pIn2, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
if ( pIn1[w] & pIn2[w] )
return 0;
return 1;
}
static inline int Kit_TruthIsDisjoint3( unsigned * pIn1, unsigned * pIn2, unsigned * pIn3, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
if ( pIn1[w] & pIn2[w] & pIn3[w] )
return 0;
return 1;
}
static inline void Kit_TruthCopy( unsigned * pOut, unsigned * pIn, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = pIn[w];
}
static inline void Kit_TruthClear( unsigned * pOut, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = 0;
}
static inline void Kit_TruthFill( unsigned * pOut, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = ~(unsigned)0;
}
static inline void Kit_TruthNot( unsigned * pOut, unsigned * pIn, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = ~pIn[w];
}
static inline void Kit_TruthAnd( unsigned * pOut, unsigned * pIn0, unsigned * pIn1, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = pIn0[w] & pIn1[w];
}
static inline void Kit_TruthOr( unsigned * pOut, unsigned * pIn0, unsigned * pIn1, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = pIn0[w] | pIn1[w];
}
static inline void Kit_TruthXor( unsigned * pOut, unsigned * pIn0, unsigned * pIn1, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = pIn0[w] ^ pIn1[w];
}
static inline void Kit_TruthSharp( unsigned * pOut, unsigned * pIn0, unsigned * pIn1, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = pIn0[w] & ~pIn1[w];
}
static inline void Kit_TruthNand( unsigned * pOut, unsigned * pIn0, unsigned * pIn1, int nVars )
{
int w;
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = ~(pIn0[w] & pIn1[w]);
}
static inline void Kit_TruthAndPhase( unsigned * pOut, unsigned * pIn0, unsigned * pIn1, int nVars, int fCompl0, int fCompl1 )
{
int w;
if ( fCompl0 && fCompl1 )
{
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = ~(pIn0[w] | pIn1[w]);
}
else if ( fCompl0 && !fCompl1 )
{
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = ~pIn0[w] & pIn1[w];
}
else if ( !fCompl0 && fCompl1 )
{
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = pIn0[w] & ~pIn1[w];
}
else // if ( !fCompl0 && !fCompl1 )
{
for ( w = Kit_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = pIn0[w] & pIn1[w];
}
}
////////////////////////////////////////////////////////////////////////
/// ITERATORS ///
////////////////////////////////////////////////////////////////////////
#define Kit_SopForEachCube( cSop, uCube, i ) \
for ( i = 0; (i < Kit_SopCubeNum(cSop)) && ((uCube) = Kit_SopCube(cSop, i)); i++ )
#define Kit_CubeForEachLiteral( uCube, Lit, nLits, i ) \
for ( i = 0; (i < (nLits)) && ((Lit) = Kit_CubeHasLit(uCube, i)); i++ )
#define Kit_GraphForEachLeaf( pGraph, pLeaf, i ) \
for ( i = 0; (i < (pGraph)->nLeaves) && (((pLeaf) = Kit_GraphNode(pGraph, i)), 1); i++ )
#define Kit_GraphForEachNode( pGraph, pAnd, i ) \
for ( i = (pGraph)->nLeaves; (i < (pGraph)->nSize) && (((pAnd) = Kit_GraphNode(pGraph, i)), 1); i++ )
////////////////////////////////////////////////////////////////////////
/// FUNCTION DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
/*=== kitBdd.c ==========================================================*/
extern DdNode * Kit_SopToBdd( DdManager * dd, Kit_Sop_t * cSop, int nVars );
extern DdNode * Kit_GraphToBdd( DdManager * dd, Kit_Graph_t * pGraph );
extern DdNode * Kit_TruthToBdd( DdManager * dd, unsigned * pTruth, int nVars, int fMSBonTop );
/*=== kitFactor.c ==========================================================*/
extern Kit_Graph_t * Kit_SopFactor( Vec_Int_t * vCover, int fCompl, int nVars, Vec_Int_t * vMemory );
/*=== kitGraph.c ==========================================================*/
extern Kit_Graph_t * Kit_GraphCreate( int nLeaves );
extern Kit_Graph_t * Kit_GraphCreateConst0();
extern Kit_Graph_t * Kit_GraphCreateConst1();
extern Kit_Graph_t * Kit_GraphCreateLeaf( int iLeaf, int nLeaves, int fCompl );
extern void Kit_GraphFree( Kit_Graph_t * pGraph );
extern Kit_Node_t * Kit_GraphAppendNode( Kit_Graph_t * pGraph );
extern Kit_Edge_t Kit_GraphAddNodeAnd( Kit_Graph_t * pGraph, Kit_Edge_t eEdge0, Kit_Edge_t eEdge1 );
extern Kit_Edge_t Kit_GraphAddNodeOr( Kit_Graph_t * pGraph, Kit_Edge_t eEdge0, Kit_Edge_t eEdge1 );
extern Kit_Edge_t Kit_GraphAddNodeXor( Kit_Graph_t * pGraph, Kit_Edge_t eEdge0, Kit_Edge_t eEdge1, int Type );
extern Kit_Edge_t Kit_GraphAddNodeMux( Kit_Graph_t * pGraph, Kit_Edge_t eEdgeC, Kit_Edge_t eEdgeT, Kit_Edge_t eEdgeE, int Type );
extern unsigned Kit_GraphToTruth( Kit_Graph_t * pGraph );
extern Kit_Graph_t * Kit_TruthToGraph( unsigned * pTruth, int nVars, Vec_Int_t * vMemory );
extern int Kit_GraphLeafDepth_rec( Kit_Graph_t * pGraph, Kit_Node_t * pNode, Kit_Node_t * pLeaf );
/*=== kitHop.c ==========================================================*/
/*=== kitIsop.c ==========================================================*/
extern int Kit_TruthIsop( unsigned * puTruth, int nVars, Vec_Int_t * vMemory, int fTryBoth );
/*=== kitSop.c ==========================================================*/
extern void Kit_SopCreate( Kit_Sop_t * cResult, Vec_Int_t * vInput, int nVars, Vec_Int_t * vMemory );
extern void Kit_SopCreateInverse( Kit_Sop_t * cResult, Vec_Int_t * vInput, int nVars, Vec_Int_t * vMemory );
extern void Kit_SopDup( Kit_Sop_t * cResult, Kit_Sop_t * cSop, Vec_Int_t * vMemory );
extern void Kit_SopDivideByLiteralQuo( Kit_Sop_t * cSop, int iLit );
extern void Kit_SopDivideByCube( Kit_Sop_t * cSop, Kit_Sop_t * cDiv, Kit_Sop_t * vQuo, Kit_Sop_t * vRem, Vec_Int_t * vMemory );
extern void Kit_SopDivideInternal( Kit_Sop_t * cSop, Kit_Sop_t * cDiv, Kit_Sop_t * vQuo, Kit_Sop_t * vRem, Vec_Int_t * vMemory );
extern void Kit_SopMakeCubeFree( Kit_Sop_t * cSop );
extern int Kit_SopIsCubeFree( Kit_Sop_t * cSop );
extern void Kit_SopCommonCubeCover( Kit_Sop_t * cResult, Kit_Sop_t * cSop, Vec_Int_t * vMemory );
extern int Kit_SopAnyLiteral( Kit_Sop_t * cSop, int nLits );
extern int Kit_SopDivisor( Kit_Sop_t * cResult, Kit_Sop_t * cSop, int nLits, Vec_Int_t * vMemory );
extern void Kit_SopBestLiteralCover( Kit_Sop_t * cResult, Kit_Sop_t * cSop, unsigned uCube, int nLits, Vec_Int_t * vMemory );
/*=== kitTruth.c ==========================================================*/
extern void Kit_TruthSwapAdjacentVars( unsigned * pOut, unsigned * pIn, int nVars, int Start );
extern void Kit_TruthStretch( unsigned * pOut, unsigned * pIn, int nVars, int nVarsAll, unsigned Phase, int fReturnIn );
extern void Kit_TruthShrink( unsigned * pOut, unsigned * pIn, int nVars, int nVarsAll, unsigned Phase, int fReturnIn );
extern int Kit_TruthVarInSupport( unsigned * pTruth, int nVars, int iVar );
extern int Kit_TruthSupportSize( unsigned * pTruth, int nVars );
extern unsigned Kit_TruthSupport( unsigned * pTruth, int nVars );
extern void Kit_TruthCofactor0( unsigned * pTruth, int nVars, int iVar );
extern void Kit_TruthCofactor1( unsigned * pTruth, int nVars, int iVar );
extern void Kit_TruthCofactor0New( unsigned * pOut, unsigned * pIn, int nVars, int iVar );
extern void Kit_TruthCofactor1New( unsigned * pOut, unsigned * pIn, int nVars, int iVar );
extern void Kit_TruthExist( unsigned * pTruth, int nVars, int iVar );
extern void Kit_TruthExistNew( unsigned * pRes, unsigned * pTruth, int nVars, int iVar );
extern void Kit_TruthExistSet( unsigned * pRes, unsigned * pTruth, int nVars, unsigned uMask );
extern void Kit_TruthForall( unsigned * pTruth, int nVars, int iVar );
extern void Kit_TruthForallNew( unsigned * pRes, unsigned * pTruth, int nVars, int iVar );
extern void Kit_TruthForallSet( unsigned * pRes, unsigned * pTruth, int nVars, unsigned uMask );
extern void Kit_TruthMux( unsigned * pOut, unsigned * pCof0, unsigned * pCof1, int nVars, int iVar );
extern void Kit_TruthChangePhase( unsigned * pTruth, int nVars, int iVar );
extern int Kit_TruthMinCofSuppOverlap( unsigned * pTruth, int nVars, int * pVarMin );
extern void Kit_TruthCountOnesInCofs( unsigned * pTruth, int nVars, short * pStore );
extern void Kit_TruthCountOnesInCofsSlow( unsigned * pTruth, int nVars, short * pStore, unsigned * pAux );
extern unsigned Kit_TruthHash( unsigned * pIn, int nWords );
extern unsigned Kit_TruthSemiCanonicize( unsigned * pInOut, unsigned * pAux, int nVars, char * pCanonPerm, short * pStore );
#ifdef __cplusplus
}
#endif
#endif
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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