/**CFile****************************************************************
FileName [if.h]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [FPGA mapping based on priority cuts.]
Synopsis [External declarations.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - November 21, 2006.]
Revision [$Id: if.h,v 1.00 2006/11/21 00:00:00 alanmi Exp $]
***********************************************************************/
#ifndef ABC__map__if__if_h
#define ABC__map__if__if_h
////////////////////////////////////////////////////////////////////////
/// INCLUDES ///
////////////////////////////////////////////////////////////////////////
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "misc/vec/vec.h"
#include "misc/mem/mem.h"
#include "misc/tim/tim.h"
#include "misc/util/utilNam.h"
#include "misc/vec/vecMem.h"
#include "misc/util/utilTruth.h"
#include "opt/dau/dau.h"
ABC_NAMESPACE_HEADER_START
////////////////////////////////////////////////////////////////////////
/// PARAMETERS ///
////////////////////////////////////////////////////////////////////////
// the maximum size of LUTs used for mapping (should be the same as FPGA_MAX_LUTSIZE defined in "fpga.h"!!!)
#define IF_MAX_LUTSIZE 32
// the largest possible number of LUT inputs when funtionality of the LUTs are computed
#define IF_MAX_FUNC_LUTSIZE 15
// a very large number
#define IF_INFINITY 100000000
// the largest possible user cut cost
#define IF_COST_MAX 8191 // ((1<<13)-1)
#define IF_BIG_CHAR ((char)120)
// object types
typedef enum {
IF_NONE, // 0: non-existent object
IF_CONST1, // 1: constant 1
IF_CI, // 2: combinational input
IF_CO, // 3: combinational output
IF_AND, // 4: AND node
IF_VOID // 5: unused object
} If_Type_t;
////////////////////////////////////////////////////////////////////////
/// BASIC TYPES ///
////////////////////////////////////////////////////////////////////////
typedef struct If_Man_t_ If_Man_t;
typedef struct If_Par_t_ If_Par_t;
typedef struct If_Obj_t_ If_Obj_t;
typedef struct If_Cut_t_ If_Cut_t;
typedef struct If_Set_t_ If_Set_t;
typedef struct If_LibLut_t_ If_LibLut_t;
typedef struct If_LibBox_t_ If_LibBox_t;
typedef struct If_DsdMan_t_ If_DsdMan_t;
typedef struct Ifif_Par_t_ Ifif_Par_t;
struct Ifif_Par_t_
{
int nLutSize; // the LUT size
If_LibLut_t * pLutLib; // the LUT library
float pLutDelays[IF_MAX_LUTSIZE]; // pin-to-pin delays of the max LUT
float DelayWire; // wire delay
int nDegree; // structure degree
int fCascade; // cascade
int fVerbose; // verbose
int fVeryVerbose; // verbose
};
// parameters
struct If_Par_t_
{
// user-controlable parameters
int nLutSize; // the LUT size
int nCutsMax; // the max number of cuts
int nFlowIters; // the number of iterations of area recovery
int nAreaIters; // the number of iterations of area recovery
int nGateSize; // the max size of the AND/OR gate to map into
int nNonDecLimit; // the max size of non-dec nodes
float DelayTarget; // delay target
float Epsilon; // value used in comparison floating point numbers
int nRelaxRatio; // delay relaxation ratio
int nStructType; // type of the structure
int fPreprocess; // preprossing
int fArea; // area-oriented mapping
int fFancy; // a fancy feature
int fExpRed; // expand/reduce of the best cuts
int fLatchPaths; // reset timing on latch paths
int fEdge; // uses edge-based cut selection heuristics
int fPower; // uses power-aware cut selection heuristics
int fCutMin; // performs cut minimization by removing functionally reducdant variables
int fSeqMap; // sequential mapping
int fBidec; // use bi-decomposition
int fUseBat; // use one specialized feature
int fUseBuffs; // use buffers to decouple outputs
int fEnableCheck07;// enable additional checking
int fEnableCheck08;// enable additional checking
int fEnableCheck10;// enable additional checking
int fEnableCheck75;// enable additional checking
int fEnableCheck75u;// enable additional checking
int fUseDsd; // compute DSD of the cut functions
int fDeriveLuts; // enables deriving LUT structures
int fRepack; // repack after mapping
int fVerbose; // the verbosity flag
char * pLutStruct; // LUT structure
float WireDelay; // wire delay
// internal parameters
int fDelayOpt; // special delay optimization
int fUserRecLib; // use recorded library
int fSkipCutFilter;// skip cut filter
int fAreaOnly; // area only mode
int fTruth; // truth table computation enabled
int fUsePerm; // use permutation (delay info)
int fUseBdds; // use local BDDs as a cost function
int fUseSops; // use local SOPs as a cost function
int fUseCnfs; // use local CNFs as a cost function
int fUseMv; // use local MV-SOPs as a cost function
int nLatchesCi; // the number of latches among the CIs
int nLatchesCo; // the number of latches among the COs
int nLatchesCiBox; // the number of white box outputs among the CIs
int nLatchesCoBox; // the number of white box inputs among the COs
int fLiftLeaves; // shift the leaves for seq mapping
int fUseCoAttrs; // use CO attributes
float DelayTargetNew;// new delay target
float FinalDelay; // final delay after mapping
If_LibLut_t * pLutLib; // the LUT library
float * pTimesArr; // arrival times
float * pTimesReq; // required times
int (* pFuncCost) (If_Man_t *, If_Cut_t *); // procedure to compute the user's cost of a cut
int (* pFuncUser) (If_Man_t *, If_Obj_t *, If_Cut_t *); // procedure called for each cut when cut computation is finished
int (* pFuncCell) (If_Man_t *, unsigned *, int, int, char *); // procedure called for cut functions
void * pReoMan; // reordering manager
};
// the LUT library
struct If_LibLut_t_
{
char * pName; // the name of the LUT library
int LutMax; // the maximum LUT size
int fVarPinDelays; // set to 1 if variable pin delays are specified
float pLutAreas[IF_MAX_LUTSIZE+1]; // the areas of LUTs
float pLutDelays[IF_MAX_LUTSIZE+1][IF_MAX_LUTSIZE+1];// the delays of LUTs
};
// manager
struct If_Man_t_
{
char * pName;
// mapping parameters
If_Par_t * pPars;
// mapping nodes
If_Obj_t * pConst1; // the constant 1 node
Vec_Ptr_t * vCis; // the primary inputs
Vec_Ptr_t * vCos; // the primary outputs
Vec_Ptr_t * vObjs; // all objects
Vec_Ptr_t * vObjsRev; // reverse topological order of objects
Vec_Ptr_t * vTemp; // temporary array
int nObjs[IF_VOID];// the number of objects by type
// various data
int nLevelMax; // the max number of AIG levels
float fEpsilon; // epsilon used for comparison
float RequiredGlo; // global required times
float RequiredGlo2; // global required times
float AreaGlo; // global area
int nNets; // the sum total of fanins of all LUTs in the mapping
float dPower; // the sum total of switching activities of all LUTs in the mapping
int nCutsUsed; // the number of cuts currently used
int nCutsMerged; // the total number of cuts merged
unsigned * puTemp[4]; // used for the truth table computation
word * puTempW; // used for the truth table computation
int SortMode; // one of the three sorting modes
int fNextRound; // set to 1 after the first round
int nChoices; // the number of choice nodes
Vec_Int_t * vSwitching; // switching activity of each node
int pPerm[3][IF_MAX_LUTSIZE]; // permutations
unsigned uSharedMask; // mask of shared variables
int nShared; // the number of shared variables
int fReqTimeWarn; // warning about exceeding required times was printed
// SOP balancing
Vec_Int_t * vCover; // used to compute ISOP
Vec_Wrd_t * vAnds; // intermediate storage
Vec_Wrd_t * vOrGate; // intermediate storage
Vec_Wrd_t * vAndGate; // intermediate storage
// sequential mapping
Vec_Ptr_t * vLatchOrder; // topological ordering of latches
Vec_Int_t * vLags; // sequentail lags of all nodes
int nAttempts; // the number of attempts in binary search
int nMaxIters; // the maximum number of iterations
int Period; // the current value of the clock period (for seq mapping)
// memory management
int nTruth6Words; // the size of the truth table if allocated
int nPermWords; // the size of the permutation array (in words)
int nObjBytes; // the size of the object
int nCutBytes; // the size of the cut
int nSetBytes; // the size of the cut set
Mem_Fixed_t * pMemObj; // memory manager for objects (entrysize = nEntrySize)
Mem_Fixed_t * pMemSet; // memory manager for sets of cuts (entrysize = nCutSize*(nCutsMax+1))
If_Set_t * pMemCi; // memory for CI cutsets
If_Set_t * pMemAnd; // memory for AND cutsets
If_Set_t * pFreeList; // the list of free cutsets
int nSmallSupp; // the small support
int nCutsTotal;
int nCutsUseless[32];
int nCutsCount[32];
int nCutsCountAll;
int nCutsUselessAll;
int nCuts5, nCuts5a;
If_DsdMan_t * pIfDsdMan;
Vec_Mem_t * vTtMem; // truth table memory and hash table
Vec_Int_t * vTtDsds; // mapping of truth table into DSD
Vec_Str_t * vTtPerms; // mapping of truth table into permutations
int nBestCutSmall[2];
int nCountNonDec[2];
Vec_Int_t * vCutData; // cut data storage
// timing manager
Tim_Man_t * pManTim;
Vec_Int_t * vCoAttrs; // CO attributes 0=optimize; 1=keep; 2=relax
// hash table for functions
int nTableSize[2]; // hash table size
int nTableEntries[2]; // hash table entries
void ** pHashTable[2]; // hash table bins
Mem_Fixed_t * pMemEntries; // memory manager for hash table entries
// statistics
// abctime timeTruth;
};
// priority cut
struct If_Cut_t_
{
float Area; // area (or area-flow) of the cut
float AveRefs; // the average number of leaf references
float Edge; // the edge flow
float Power; // the power flow
float Delay; // delay of the cut
int iCutFunc; // TT ID of the cut
int iCutDsd; // DSD ID of the cut
unsigned uSign; // cut signature
unsigned Cost : 13; // the user's cost of the cut (related to IF_COST_MAX)
unsigned fCompl : 1; // the complemented attribute
unsigned fUser : 1; // using the user's area and delay
unsigned fUseless: 1; // using the user's area and delay
unsigned nLimit : 8; // the maximum number of leaves
unsigned nLeaves : 8; // the number of leaves
int * pLeaves; // array of fanins
char * pPerm; // permutation
};
// set of priority cut
struct If_Set_t_
{
short nCutsMax; // the max number of cuts
short nCuts; // the current number of cuts
If_Set_t * pNext; // next cutset in the free list
If_Cut_t ** ppCuts; // the array of pointers to the cuts
};
// node extension
struct If_Obj_t_
{
unsigned Type : 4; // object
unsigned fCompl0 : 1; // complemented attribute
unsigned fCompl1 : 1; // complemented attribute
unsigned fPhase : 1; // phase of the node
unsigned fRepr : 1; // representative of the equivalence class
unsigned fMark : 1; // multipurpose mark
unsigned fVisit : 1; // multipurpose mark
unsigned fSpec : 1; // multipurpose mark
unsigned fDriver : 1; // multipurpose mark
unsigned fSkipCut: 1; // multipurpose mark
unsigned Level : 19; // logic level of the node
int Id; // integer ID
int IdPio; // integer ID of PIs/POs
int nRefs; // the number of references
int nVisits; // the number of visits to this node
int nVisitsCopy; // the number of visits to this node
If_Obj_t * pFanin0; // the first fanin
If_Obj_t * pFanin1; // the second fanin
If_Obj_t * pEquiv; // the choice node
float EstRefs; // estimated reference counter
float Required; // required time of the onde
float LValue; // sequential arrival time of the node
union{
void * pCopy; // used for object duplication
int iCopy;
};
If_Set_t * pCutSet; // the pointer to the cutset
If_Cut_t CutBest; // the best cut selected
};
typedef struct If_And_t_ If_And_t;
struct If_And_t_
{
unsigned iFan0 : 15; // fanin0
unsigned fCompl0 : 1; // compl fanin0
unsigned iFan1 : 15; // fanin1
unsigned fCompl1 : 1; // compl fanin1
unsigned Id : 15; // Id
unsigned fCompl : 1; // compl output
unsigned Delay : 16; // delay
};
typedef struct If_Box_t_ If_Box_t;
struct If_Box_t_
{
char * pName;
char fSeq;
char fBlack;
char fOuter;
char fUnused;
int Id;
int nPis;
int nPos;
int * pDelays;
};
struct If_LibBox_t_
{
Vec_Ptr_t * vBoxes;
};
static inline If_Obj_t * If_Regular( If_Obj_t * p ) { return (If_Obj_t *)((ABC_PTRUINT_T)(p) & ~01); }
static inline If_Obj_t * If_Not( If_Obj_t * p ) { return (If_Obj_t *)((ABC_PTRUINT_T)(p) ^ 01); }
static inline If_Obj_t * If_NotCond( If_Obj_t * p, int c ) { return (If_Obj_t *)((ABC_PTRUINT_T)(p) ^ (c)); }
static inline int If_IsComplement( If_Obj_t * p ) { return (int )(((ABC_PTRUINT_T)p) & 01); }
static inline int If_ManCiNum( If_Man_t * p ) { return p->nObjs[IF_CI]; }
static inline int If_ManCoNum( If_Man_t * p ) { return p->nObjs[IF_CO]; }
static inline int If_ManAndNum( If_Man_t * p ) { return p->nObjs[IF_AND]; }
static inline int If_ManObjNum( If_Man_t * p ) { return Vec_PtrSize(p->vObjs); }
static inline If_Obj_t * If_ManConst1( If_Man_t * p ) { return p->pConst1; }
static inline If_Obj_t * If_ManCi( If_Man_t * p, int i ) { return (If_Obj_t *)Vec_PtrEntry( p->vCis, i ); }
static inline If_Obj_t * If_ManCo( If_Man_t * p, int i ) { return (If_Obj_t *)Vec_PtrEntry( p->vCos, i ); }
static inline If_Obj_t * If_ManLi( If_Man_t * p, int i ) { return (If_Obj_t *)Vec_PtrEntry( p->vCos, If_ManCoNum(p) - p->pPars->nLatchesCo + i ); }
static inline If_Obj_t * If_ManLo( If_Man_t * p, int i ) { return (If_Obj_t *)Vec_PtrEntry( p->vCis, If_ManCiNum(p) - p->pPars->nLatchesCi + i ); }
static inline If_Obj_t * If_ManObj( If_Man_t * p, int i ) { return (If_Obj_t *)Vec_PtrEntry( p->vObjs, i ); }
static inline int If_ObjIsConst1( If_Obj_t * pObj ) { return pObj->Type == IF_CONST1; }
static inline int If_ObjIsCi( If_Obj_t * pObj ) { return pObj->Type == IF_CI; }
static inline int If_ObjIsCo( If_Obj_t * pObj ) { return pObj->Type == IF_CO; }
static inline int If_ObjIsTerm( If_Obj_t * pObj ) { return pObj->Type == IF_CI || pObj->Type == IF_CO; }
static inline int If_ObjIsLatch( If_Obj_t * pObj ) { return If_ObjIsCi(pObj) && pObj->pFanin0 != NULL; }
static inline int If_ObjIsAnd( If_Obj_t * pObj ) { return pObj->Type == IF_AND; }
static inline int If_ObjId( If_Obj_t * pObj ) { return pObj->Id; }
static inline If_Obj_t * If_ObjFanin0( If_Obj_t * pObj ) { return pObj->pFanin0; }
static inline If_Obj_t * If_ObjFanin1( If_Obj_t * pObj ) { return pObj->pFanin1; }
static inline int If_ObjFaninC0( If_Obj_t * pObj ) { return pObj->fCompl0; }
static inline int If_ObjFaninC1( If_Obj_t * pObj ) { return pObj->fCompl1; }
static inline void * If_ObjCopy( If_Obj_t * pObj ) { return pObj->pCopy; }
static inline int If_ObjLevel( If_Obj_t * pObj ) { return pObj->Level; }
static inline void If_ObjSetLevel( If_Obj_t * pObj, int Level ) { pObj->Level = Level; }
static inline void If_ObjSetCopy( If_Obj_t * pObj, void * pCopy ) { pObj->pCopy = pCopy; }
static inline void If_ObjSetChoice( If_Obj_t * pObj, If_Obj_t * pEqu ) { pObj->pEquiv = pEqu; }
static inline int If_CutLeaveNum( If_Cut_t * pCut ) { return pCut->nLeaves; }
static inline int * If_CutLeaves( If_Cut_t * pCut ) { return pCut->pLeaves; }
static inline unsigned If_CutSuppMask( If_Cut_t * pCut ) { return (~(unsigned)0) >> (32-pCut->nLeaves); }
static inline int If_CutTruthWords( int nVarsMax ) { return nVarsMax <= 5 ? 2 : (1 << (nVarsMax - 5)); }
static inline int If_CutPermWords( int nVarsMax ) { return nVarsMax / sizeof(int) + ((nVarsMax % sizeof(int)) > 0); }
static inline If_Cut_t * If_ObjCutBest( If_Obj_t * pObj ) { return &pObj->CutBest; }
static inline unsigned If_ObjCutSign( unsigned ObjId ) { return (1 << (ObjId % 31)); }
static inline unsigned If_ObjCutSignCompute( If_Cut_t * p ) { unsigned s = 0; int i; for ( i = 0; i < If_CutLeaveNum(p); i++ ) s |= If_ObjCutSign(p->pLeaves[i]); return s; }
static inline float If_ObjArrTime( If_Obj_t * pObj ) { return If_ObjCutBest(pObj)->Delay; }
static inline void If_ObjSetArrTime( If_Obj_t * pObj, float ArrTime ) { If_ObjCutBest(pObj)->Delay = ArrTime; }
static inline float If_ObjLValue( If_Obj_t * pObj ) { return pObj->LValue; }
static inline void If_ObjSetLValue( If_Obj_t * pObj, float LValue ) { pObj->LValue = LValue; }
static inline void * If_CutData( If_Cut_t * pCut ) { return *(void **)pCut; }
static inline void If_CutSetData( If_Cut_t * pCut, void * pData ) { *(void **)pCut = pData; }
static inline int If_CutDataInt( If_Cut_t * pCut ) { return *(int *)pCut; }
static inline void If_CutSetDataInt( If_Cut_t * pCut, int Data ) { *(int *)pCut = Data; }
static inline word * If_CutTruthWR( If_Man_t * p, If_Cut_t * pCut ) { return p->vTtMem ? Vec_MemReadEntry(p->vTtMem, Abc_Lit2Var(pCut->iCutFunc)) : NULL; }
static inline unsigned * If_CutTruthR( If_Man_t * p, If_Cut_t * pCut ) { return (unsigned *)If_CutTruthWR(p, pCut); }
static inline int If_CutTruthIsCompl( If_Cut_t * pCut ) { assert( pCut->iCutFunc >= 0 ); return Abc_LitIsCompl(pCut->iCutFunc); }
static inline word * If_CutTruthW( If_Man_t * p, If_Cut_t * pCut ) { if ( p->vTtMem == NULL ) return NULL; assert( pCut->iCutFunc >= 0 ); Abc_TtCopy( p->puTempW, If_CutTruthWR(p, pCut), p->nTruth6Words, If_CutTruthIsCompl(pCut) ); return p->puTempW; }
static inline unsigned * If_CutTruth( If_Man_t * p, If_Cut_t * pCut ) { return (unsigned *)If_CutTruthW(p, pCut); }
static inline float If_CutLutArea( If_Man_t * p, If_Cut_t * pCut ) { return pCut->fUser? (float)pCut->Cost : (p->pPars->pLutLib? p->pPars->pLutLib->pLutAreas[pCut->nLeaves] : (float)1.0); }
static inline float If_CutLutDelay( If_LibLut_t * p, int Size, int iPin ) { return p ? (p->fVarPinDelays ? p->pLutDelays[Size][iPin] : p->pLutDelays[Size][0]) : 1.0; }
static inline word If_AndToWrd( If_And_t m ) { union { If_And_t x; word y; } v; v.x = m; return v.y; }
static inline If_And_t If_WrdToAnd( word m ) { union { If_And_t x; word y; } v; v.y = m; return v.x; }
static inline void If_AndClear( If_And_t * pNode ) { *pNode = If_WrdToAnd(0); }
////////////////////////////////////////////////////////////////////////
/// MACRO DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
#define IF_MIN(a,b) (((a) < (b))? (a) : (b))
#define IF_MAX(a,b) (((a) > (b))? (a) : (b))
// the small and large numbers (min/max float are 1.17e-38/3.40e+38)
#define IF_FLOAT_LARGE ((float)1.0e+20)
#define IF_FLOAT_SMALL ((float)1.0e-20)
#define IF_INT_LARGE (10000000)
// iterator over the primary inputs
#define If_ManForEachCi( p, pObj, i ) \
Vec_PtrForEachEntry( If_Obj_t *, p->vCis, pObj, i )
// iterator over the primary outputs
#define If_ManForEachCo( p, pObj, i ) \
Vec_PtrForEachEntry( If_Obj_t *, p->vCos, pObj, i )
// iterator over the primary inputs
#define If_ManForEachPi( p, pObj, i ) \
Vec_PtrForEachEntryStop( If_Obj_t *, p->vCis, pObj, i, If_ManCiNum(p) - p->pPars->nLatchesCi - p->pPars->nLatchesCiBox )
// iterator over the primary outputs
#define If_ManForEachPo( p, pObj, i ) \
Vec_PtrForEachEntryStartStop( If_Obj_t *, p->vCos, pObj, i, p->pPars->nLatchesCoBox, If_ManCoNum(p) - p->pPars->nLatchesCo )
// iterator over the latches
#define If_ManForEachLatchInput( p, pObj, i ) \
Vec_PtrForEachEntryStart( If_Obj_t *, p->vCos, pObj, i, If_ManCoNum(p) - p->pPars->nLatchesCo )
#define If_ManForEachLatchOutput( p, pObj, i ) \
Vec_PtrForEachEntryStartStop( If_Obj_t *, p->vCis, pObj, i, If_ManCiNum(p) - p->pPars->nLatchesCi - p->pPars->nLatchesCiBox, If_ManCiNum(p) - p->pPars->nLatchesCiBox )
// iterator over all objects in topological order
#define If_ManForEachObj( p, pObj, i ) \
Vec_PtrForEachEntry( If_Obj_t *, p->vObjs, pObj, i )
// iterator over all objects in reverse topological order
#define If_ManForEachObjReverse( p, pObj, i ) \
Vec_PtrForEachEntry( If_Obj_t *, p->vObjsRev, pObj, i )
// iterator over logic nodes
#define If_ManForEachNode( p, pObj, i ) \
If_ManForEachObj( p, pObj, i ) if ( pObj->Type != IF_AND ) {} else
// iterator over cuts of the node
#define If_ObjForEachCut( pObj, pCut, i ) \
for ( i = 0; (i < (pObj)->pCutSet->nCuts) && ((pCut) = (pObj)->pCutSet->ppCuts[i]); i++ )
// iterator over the leaves of the cut
#define If_CutForEachLeaf( p, pCut, pLeaf, i ) \
for ( i = 0; (i < (int)(pCut)->nLeaves) && ((pLeaf) = If_ManObj(p, (pCut)->pLeaves[i])); i++ )
#define If_CutForEachLeafReverse( p, pCut, pLeaf, i ) \
for ( i = (int)(pCut)->nLeaves - 1; (i >= 0) && ((pLeaf) = If_ManObj(p, (pCut)->pLeaves[i])); i-- )
//#define If_CutForEachLeaf( p, pCut, pLeaf, i ) \ \\prevent multiline comment
// for ( i = 0; (i < (int)(pCut)->nLeaves) && ((pLeaf) = If_ManObj(p, p->pPars->fLiftLeaves? (pCut)->pLeaves[i] >> 8 : (pCut)->pLeaves[i])); i++ )
// iterator over the leaves of the sequential cut
#define If_CutForEachLeafSeq( p, pCut, pLeaf, Shift, i ) \
for ( i = 0; (i < (int)(pCut)->nLeaves) && ((pLeaf) = If_ManObj(p, (pCut)->pLeaves[i] >> 8)) && (((Shift) = ((pCut)->pLeaves[i] & 255)) >= 0); i++ )
////////////////////////////////////////////////////////////////////////
/// FUNCTION DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
/*=== ifCore.c ===========================================================*/
extern int If_ManPerformMapping( If_Man_t * p );
extern int If_ManPerformMappingComb( If_Man_t * p );
/*=== ifCut.c ============================================================*/
extern int If_CutFilter( If_Set_t * pCutSet, If_Cut_t * pCut );
extern void If_CutSort( If_Man_t * p, If_Set_t * pCutSet, If_Cut_t * pCut );
extern void If_CutOrder( If_Cut_t * pCut );
extern int If_CutMerge( If_Man_t * p, If_Cut_t * pCut0, If_Cut_t * pCut1, If_Cut_t * pCut );
extern int If_CutCheck( If_Cut_t * pCut );
extern void If_CutPrint( If_Cut_t * pCut );
extern void If_CutPrintTiming( If_Man_t * p, If_Cut_t * pCut );
extern void If_CutLift( If_Cut_t * pCut );
extern void If_CutCopy( If_Man_t * p, If_Cut_t * pCutDest, If_Cut_t * pCutSrc );
extern float If_CutAreaFlow( If_Man_t * p, If_Cut_t * pCut );
extern float If_CutEdgeFlow( If_Man_t * p, If_Cut_t * pCut );
extern float If_CutPowerFlow( If_Man_t * p, If_Cut_t * pCut, If_Obj_t * pRoot );
extern float If_CutAverageRefs( If_Man_t * p, If_Cut_t * pCut );
extern float If_CutAreaDeref( If_Man_t * p, If_Cut_t * pCut );
extern float If_CutAreaRef( If_Man_t * p, If_Cut_t * pCut );
extern float If_CutAreaDerefed( If_Man_t * p, If_Cut_t * pCut );
extern float If_CutAreaRefed( If_Man_t * p, If_Cut_t * pCut );
extern float If_CutEdgeDeref( If_Man_t * p, If_Cut_t * pCut );
extern float If_CutEdgeRef( If_Man_t * p, If_Cut_t * pCut );
extern float If_CutEdgeDerefed( If_Man_t * p, If_Cut_t * pCut );
extern float If_CutEdgeRefed( If_Man_t * p, If_Cut_t * pCut );
extern float If_CutPowerDeref( If_Man_t * p, If_Cut_t * pCut, If_Obj_t * pRoot );
extern float If_CutPowerRef( If_Man_t * p, If_Cut_t * pCut, If_Obj_t * pRoot );
extern float If_CutPowerDerefed( If_Man_t * p, If_Cut_t * pCut, If_Obj_t * pRoot );
extern float If_CutPowerRefed( If_Man_t * p, If_Cut_t * pCut, If_Obj_t * pRoot );
/*=== ifDec.c =============================================================*/
extern word If_CutPerformDerive07( If_Man_t * p, unsigned * pTruth, int nVars, int nLeaves, char * pStr );
extern int If_CutPerformCheck07( If_Man_t * p, unsigned * pTruth, int nVars, int nLeaves, char * pStr );
extern int If_CutPerformCheck08( If_Man_t * p, unsigned * pTruth, int nVars, int nLeaves, char * pStr );
extern int If_CutPerformCheck10( If_Man_t * p, unsigned * pTruth, int nVars, int nLeaves, char * pStr );
extern int If_CutPerformCheck16( If_Man_t * p, unsigned * pTruth, int nVars, int nLeaves, char * pStr );
extern int If_CutPerformCheck45( If_Man_t * p, unsigned * pTruth, int nVars, int nLeaves, char * pStr );
extern int If_CutPerformCheck54( If_Man_t * p, unsigned * pTruth, int nVars, int nLeaves, char * pStr );
extern int If_CutPerformCheck75( If_Man_t * p, unsigned * pTruth, int nVars, int nLeaves, char * pStr );
extern float If_CutDelayLutStruct( If_Man_t * p, If_Cut_t * pCut, char * pStr, float WireDelay );
extern int If_CluCheckExt( void * p, word * pTruth, int nVars, int nLutLeaf, int nLutRoot,
char * pLut0, char * pLut1, word * pFunc0, word * pFunc1 );
extern int If_CluCheckExt3( void * p, word * pTruth, int nVars, int nLutLeaf, int nLutLeaf2, int nLutRoot,
char * pLut0, char * pLut1, char * pLut2, word * pFunc0, word * pFunc1, word * pFunc2 );
/*=== ifDsd.c =============================================================*/
extern If_DsdMan_t * If_DsdManAlloc( int nVars, int nLutSize );
extern void If_DsdManPrint( If_DsdMan_t * p, char * pFileName, int Number, int Support, int fOccurs, int fTtDump, int fVerbose );
extern void If_DsdManTune( If_DsdMan_t * p, int LutSize, int fFast, int fAdd, int fSpec, int fVerbose );
extern void If_DsdManFree( If_DsdMan_t * p, int fVerbose );
extern void If_DsdManSave( If_DsdMan_t * p, char * pFileName );
extern If_DsdMan_t * If_DsdManLoad( char * pFileName );
extern void If_DsdManMerge( If_DsdMan_t * p, If_DsdMan_t * pNew );
extern void If_DsdManClean( If_DsdMan_t * p, int fVerbose );
extern int If_DsdManCompute( If_DsdMan_t * p, word * pTruth, int nLeaves, unsigned char * pPerm, char * pLutStruct );
extern char * If_DsdManFileName( If_DsdMan_t * p );
extern int If_DsdManVarNum( If_DsdMan_t * p );
extern int If_DsdManLutSize( If_DsdMan_t * p );
extern int If_DsdManCheckDec( If_DsdMan_t * p, int iDsd );
extern unsigned If_DsdManCheckXY( If_DsdMan_t * p, int iDsd, int LutSize, int fDerive, int fHighEffort, int fVerbose );
/*=== ifLib.c =============================================================*/
extern If_LibLut_t * If_LibLutRead( char * FileName );
extern If_LibLut_t * If_LibLutDup( If_LibLut_t * p );
extern void If_LibLutFree( If_LibLut_t * pLutLib );
extern void If_LibLutPrint( If_LibLut_t * pLutLib );
extern int If_LibLutDelaysAreDiscrete( If_LibLut_t * pLutLib );
extern int If_LibLutDelaysAreDifferent( If_LibLut_t * pLutLib );
extern If_LibLut_t * If_LibLutSetSimple( int nLutSize );
extern float If_LibLutFastestPinDelay( If_LibLut_t * p );
extern float If_LibLutSlowestPinDelay( If_LibLut_t * p );
/*=== ifLibBox.c =============================================================*/
extern If_LibBox_t * If_LibBoxStart();
extern void If_LibBoxFree( If_LibBox_t * p );
extern If_Box_t * If_LibBoxReadBox( If_LibBox_t * p, int Id );
extern If_Box_t * If_LibBoxFindBox( If_LibBox_t * p, char * pName );
extern void If_LibBoxAdd( If_LibBox_t * p, If_Box_t * pBox );
extern If_LibBox_t * If_LibBoxRead( char * pFileName );
extern If_LibBox_t * If_LibBoxRead2( char * pFileName );
extern void If_LibBoxPrint( FILE * pFile, If_LibBox_t * p );
extern void If_LibBoxWrite( char * pFileName, If_LibBox_t * p );
extern int If_LibBoxLoad( char * pFileName );
/*=== ifMan.c =============================================================*/
extern If_Man_t * If_ManStart( If_Par_t * pPars );
extern void If_ManRestart( If_Man_t * p );
extern void If_ManStop( If_Man_t * p );
extern If_Obj_t * If_ManCreateCi( If_Man_t * p );
extern If_Obj_t * If_ManCreateCo( If_Man_t * p, If_Obj_t * pDriver );
extern If_Obj_t * If_ManCreateAnd( If_Man_t * p, If_Obj_t * pFan0, If_Obj_t * pFan1 );
extern If_Obj_t * If_ManCreateXor( If_Man_t * p, If_Obj_t * pFan0, If_Obj_t * pFan1 );
extern If_Obj_t * If_ManCreateMux( If_Man_t * p, If_Obj_t * pFan0, If_Obj_t * pFan1, If_Obj_t * pCtrl );
extern void If_ManCreateChoice( If_Man_t * p, If_Obj_t * pRepr );
extern void If_ManSetupCutTriv( If_Man_t * p, If_Cut_t * pCut, int ObjId );
extern void If_ManSetupCiCutSets( If_Man_t * p );
extern If_Set_t * If_ManSetupNodeCutSet( If_Man_t * p, If_Obj_t * pObj );
extern void If_ManDerefNodeCutSet( If_Man_t * p, If_Obj_t * pObj );
extern void If_ManDerefChoiceCutSet( If_Man_t * p, If_Obj_t * pObj );
extern void If_ManSetupSetAll( If_Man_t * p, int nCrossCut );
/*=== ifMap.c =============================================================*/
extern void If_ObjPerformMappingAnd( If_Man_t * p, If_Obj_t * pObj, int Mode, int fPreprocess, int fFirst );
extern void If_ObjPerformMappingChoice( If_Man_t * p, If_Obj_t * pObj, int Mode, int fPreprocess );
extern int If_ManPerformMappingRound( If_Man_t * p, int nCutsUsed, int Mode, int fPreprocess, int fFirst, char * pLabel );
/*=== ifReduce.c ==========================================================*/
extern void If_ManImproveMapping( If_Man_t * p );
/*=== ifSat.c ==========================================================*/
extern void * If_ManSatBuildXY( int nLutSize );
extern void * If_ManSatBuildXYZ( int nLutSize );
extern void If_ManSatUnbuild( void * p );
extern int If_ManSatCheckXY( void * pSat, int nLutSize, word * pTruth, int nVars, unsigned uSet, word * pTBound, word * pTFree, Vec_Int_t * vLits );
extern unsigned If_ManSatCheckXYall( void * pSat, int nLutSize, word * pTruth, int nVars, Vec_Int_t * vLits );
/*=== ifSeq.c =============================================================*/
extern int If_ManPerformMappingSeq( If_Man_t * p );
/*=== ifTime.c ============================================================*/
extern int If_CutDelaySopCost( If_Man_t * p, If_Cut_t * pCut );
extern int If_CutDelaySopCost2( If_Man_t * p, If_Cut_t * pCut );
extern int If_CutDelaySop( If_Man_t * p, If_Cut_t * pCut );
extern Vec_Wrd_t * If_CutDelaySopArray( If_Man_t * p, If_Cut_t * pCut );
extern float If_CutDelay( If_Man_t * p, If_Obj_t * pObj, If_Cut_t * pCut );
extern void If_CutPropagateRequired( If_Man_t * p, If_Obj_t * pObj, If_Cut_t * pCut, float Required );
/*=== ifTruth.c ===========================================================*/
extern void If_CutRotatePins( If_Man_t * p, If_Cut_t * pCut );
extern int If_CutComputeTruth( If_Man_t * p, If_Cut_t * pCut, If_Cut_t * pCut0, If_Cut_t * pCut1, int fCompl0, int fCompl1 );
/*=== ifUtil.c ============================================================*/
extern void If_ManCleanNodeCopy( If_Man_t * p );
extern void If_ManCleanCutData( If_Man_t * p );
extern void If_ManCleanMarkV( If_Man_t * p );
extern float If_ManDelayMax( If_Man_t * p, int fSeq );
extern void If_ManComputeRequired( If_Man_t * p );
extern float If_ManScanMapping( If_Man_t * p );
extern float If_ManScanMappingDirect( If_Man_t * p );
extern float If_ManScanMappingSeq( If_Man_t * p );
extern void If_ManResetOriginalRefs( If_Man_t * p );
extern int If_ManCrossCut( If_Man_t * p );
extern Vec_Ptr_t * If_ManReverseOrder( If_Man_t * p );
extern void If_ManMarkMapping( If_Man_t * p );
extern Vec_Ptr_t * If_ManCollectMappingDirect( If_Man_t * p );
extern Vec_Int_t * If_ManCollectMappingInt( If_Man_t * p );
extern int If_ManCountSpecialPos( If_Man_t * p );
extern void If_CutTraverse( If_Man_t * p, If_Obj_t * pRoot, If_Cut_t * pCut, Vec_Ptr_t * vNodes );
extern void If_ObjPrint( If_Obj_t * pObj );
ABC_NAMESPACE_HEADER_END
#endif
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/// END OF FILE ///
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