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-rw-r--r--src/opt/bdc/bdcInt.h62
1 files changed, 43 insertions, 19 deletions
diff --git a/src/opt/bdc/bdcInt.h b/src/opt/bdc/bdcInt.h
index 39d50ae9..65ab9d27 100644
--- a/src/opt/bdc/bdcInt.h
+++ b/src/opt/bdc/bdcInt.h
@@ -29,13 +29,15 @@ extern "C" {
/// INCLUDES ///
////////////////////////////////////////////////////////////////////////
-#include "dec.h"
+#include "kit.h"
#include "bdc.h"
////////////////////////////////////////////////////////////////////////
/// PARAMETERS ///
////////////////////////////////////////////////////////////////////////
+#define BDC_SCALE 100 // value used to compute the cost
+
////////////////////////////////////////////////////////////////////////
/// BASIC TYPES ///
////////////////////////////////////////////////////////////////////////
@@ -46,18 +48,19 @@ typedef enum {
BDC_TYPE_CONST1, // 1: constant 1
BDC_TYPE_PI, // 2: primary input
BDC_TYPE_AND, // 4: AND-gate
- BDC_TYPE_XOR, // 5: XOR-gate
- BDC_TYPE_MUX, // 6: MUX-gate
- BDC_TYPE_OTHER // 7: unused
+ BDC_TYPE_OR, // 5: OR-gate (temporary)
+ BDC_TYPE_XOR, // 6: XOR-gate
+ BDC_TYPE_MUX, // 7: MUX-gate
+ BDC_TYPE_OTHER // 8: unused
} Bdc_Type_t;
typedef struct Bdc_Fun_t_ Bdc_Fun_t;
struct Bdc_Fun_t_
{
int Type; // Const1, PI, AND, XOR, MUX
- Bdc_Fun_t * pFan0; // next function with same support
- Bdc_Fun_t * pFan1; // next function with same support
- Bdc_Fun_t * pFan2; // next function with same support
+ Bdc_Fun_t * pFan0; // fanin of the given node
+ Bdc_Fun_t * pFan1; // fanin of the given node
+ Bdc_Fun_t * pFan2; // fanin of the given node
unsigned uSupp; // bit mask of current support
unsigned * puFunc; // the function of the node
Bdc_Fun_t * pNext; // next function with same support
@@ -67,11 +70,10 @@ struct Bdc_Fun_t_
typedef struct Bdc_Isf_t_ Bdc_Isf_t;
struct Bdc_Isf_t_
{
- unsigned uSupp; // bit mask of current support
- unsigned uUnique; // bit mask of unique support
+ int Var; // the first variable assigned
+ unsigned uSupp; // the current support
unsigned * puOn; // on-set
unsigned * puOff; // off-set
- int Cost; // cost of this component
};
typedef struct Bdc_Man_t_ Bdc_Man_t;
@@ -81,25 +83,44 @@ struct Bdc_Man_t_
Bdc_Par_t * pPars; // parameter set
int nVars; // the number of variables
int nWords; // the number of words
- int nNodeLimit; // the limit on the number of new nodes
+ int nNodesLimit; // the limit on the number of new nodes
+ int nDivsLimit; // the limit on the number of divisors
// internal nodes
Bdc_Fun_t * pNodes; // storage for decomposition nodes
int nNodes; // the number of nodes used
+ int nNodesNew; // the number of nodes used
int nNodesAlloc; // the number of nodes allocated
Bdc_Fun_t * pRoot; // the root node
// resub candidates
Bdc_Fun_t ** pTable; // hash table of candidates
int nTableSize; // hash table size (1 << nVarsMax)
+ Vec_Int_t * vSpots; // the occupied spots in the table
+ // elementary truth tables
+ Vec_Ptr_t * vTruths; // for const 1 and elementary variables
+ unsigned * puTemp1; // temporary truth table
+ unsigned * puTemp2; // temporary truth table
+ unsigned * puTemp3; // temporary truth table
+ unsigned * puTemp4; // temporary truth table
+ // temporary ISFs
+ Bdc_Isf_t * pIsfOL, IsfOL;
+ Bdc_Isf_t * pIsfOR, IsfOR;
+ Bdc_Isf_t * pIsfAL, IsfAL;
+ Bdc_Isf_t * pIsfAR, IsfAR;
// internal memory manager
Vec_Int_t * vMemory; // memory for internal truth tables
- int nMemStart; // the starting memory size
};
// working with complemented attributes of objects
-static inline bool Bdc_IsComplement( Bdc_Fun_t * p ) { return (bool)((unsigned long)p & (unsigned long)01); }
-static inline Bdc_Fun_t * Bdc_Regular( Bdc_Fun_t * p ) { return (Bdc_Fun_t *)((unsigned long)p & ~(unsigned long)01); }
-static inline Bdc_Fun_t * Bdc_Not( Bdc_Fun_t * p ) { return (Bdc_Fun_t *)((unsigned long)p ^ (unsigned long)01); }
-static inline Bdc_Fun_t * Bdc_NotCond( Bdc_Fun_t * p, int c ) { return (Bdc_Fun_t *)((unsigned long)p ^ (unsigned long)(c!=0)); }
+static inline int Bdc_IsComplement( Bdc_Fun_t * p ) { return (int)((unsigned long)p & (unsigned long)01); }
+static inline Bdc_Fun_t * Bdc_Regular( Bdc_Fun_t * p ) { return (Bdc_Fun_t *)((unsigned long)p & ~(unsigned long)01); }
+static inline Bdc_Fun_t * Bdc_Not( Bdc_Fun_t * p ) { return (Bdc_Fun_t *)((unsigned long)p ^ (unsigned long)01); }
+static inline Bdc_Fun_t * Bdc_NotCond( Bdc_Fun_t * p, int c ) { return (Bdc_Fun_t *)((unsigned long)p ^ (unsigned long)(c!=0)); }
+
+static inline Bdc_Fun_t * Bdc_FunNew( Bdc_Man_t * p ) { Bdc_Fun_t * pRes; if ( p->nNodes == p->nNodesLimit ) return NULL; pRes = p->pNodes + p->nNodes++; memset( pRes, 0, sizeof(Bdc_Fun_t) ); p->nNodesNew++; return pRes; }
+static inline void Bdc_IsfStart( Bdc_Man_t * p, Bdc_Isf_t * pF ) { pF->puOn = Vec_IntFetch( p->vMemory, p->nWords ); pF->puOff = Vec_IntFetch( p->vMemory, p->nWords ); }
+static inline void Bdc_IsfClean( Bdc_Isf_t * p ) { p->uSupp = 0; p->Var = 0; }
+static inline void Bdc_IsfCopy( Bdc_Isf_t * p, Bdc_Isf_t * q ) { Bdc_Isf_t T = *p; *p = *q; *q = T; }
+static inline void Bdc_IsfNot( Bdc_Isf_t * p ) { unsigned * puT = p->puOn; p->puOn = p->puOff; p->puOff = puT; }
////////////////////////////////////////////////////////////////////////
/// MACRO DEFINITIONS ///
@@ -109,11 +130,14 @@ static inline Bdc_Fun_t * Bdc_NotCond( Bdc_Fun_t * p, int c ) { return (Bdc_
/// FUNCTION DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
-/*=== bdcSupp.c ==========================================================*/
-extern int Bdc_SuppMinimize( Bdc_Man_t * p, Bdc_Isf_t * pIsf );
+/*=== bdcDec.c ==========================================================*/
+extern Bdc_Fun_t * Bdc_ManDecompose_rec( Bdc_Man_t * p, Bdc_Isf_t * pIsf );
/*=== bdcTable.c ==========================================================*/
extern Bdc_Fun_t * Bdc_TableLookup( Bdc_Man_t * p, Bdc_Isf_t * pIsf );
-
+extern void Bdc_TableAdd( Bdc_Man_t * p, Bdc_Fun_t * pFunc );
+extern void Bdc_TableClear( Bdc_Man_t * p );
+extern void Bdc_SuppMinimize( Bdc_Man_t * p, Bdc_Isf_t * pIsf );
+extern int Bdc_TableCheckContainment( Bdc_Man_t * p, Bdc_Isf_t * pIsf, unsigned * puTruth );
#ifdef __cplusplus
}