Skip to content

A
abc
Switch branch/tag
Find file
Normal viewHistoryPermalink
vecHash.h 8.54 KB
Newer Older
New logic sharing extraction.
f704aa43
 
Alan Mishchenko committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 
/**CFile****************************************************************

  FileName    [vecHash.h]

  SystemName  [ABC: Logic synthesis and verification system.]

  PackageName [Resizable arrays.]

  Synopsis    [Hashing integer pairs/triples into an integer.]

  Author      [Alan Mishchenko]
  
  Affiliation [UC Berkeley]

  Date        [Ver. 1.0. Started - June 20, 2005.]

  Revision    [$Id: vecHash.h,v 1.00 2005/06/20 00:00:00 alanmi Exp $]

***********************************************************************/
 
#ifndef ABC__misc__vec__vecHash_h
#define ABC__misc__vec__vecHash_h


////////////////////////////////////////////////////////////////////////
///                          INCLUDES                                ///
////////////////////////////////////////////////////////////////////////

#include <stdio.h>

ABC_NAMESPACE_HEADER_START


////////////////////////////////////////////////////////////////////////
///                         PARAMETERS                               ///
////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////
///                         BASIC TYPES                              ///
////////////////////////////////////////////////////////////////////////

typedef struct Hash_IntObj_t_ Hash_IntObj_t;
struct Hash_IntObj_t_
{
    int          iData0;
    int          iData1;
    int          iData2;
    int          iNext;
};

typedef struct Hash_IntMan_t_ Hash_IntMan_t;
struct Hash_IntMan_t_
{
    Vec_Int_t *  vTable;      // hash table
    Vec_Int_t *  vObjs;       // hash objects
};

////////////////////////////////////////////////////////////////////////
///                      MACRO DEFINITIONS                           ///
////////////////////////////////////////////////////////////////////////

static inline Hash_IntObj_t * Hash_IntObj( Hash_IntMan_t * p, int i )           { return i ? (Hash_IntObj_t *)Vec_IntEntryP(p->vObjs, 4*i) : NULL;  }
static inline int             Hash_IntObjData0( Hash_IntMan_t * p, int i )      { return Hash_IntObj(p, i)->iData0;                                 }
static inline int             Hash_IntObjData1( Hash_IntMan_t * p, int i )      { return Hash_IntObj(p, i)->iData1;                                 }
static inline int             Hash_IntObjData2( Hash_IntMan_t * p, int i )      { return Hash_IntObj(p, i)->iData2;                                 }

static inline int             Hash_Int2ObjInc( Hash_IntMan_t * p, int i )             { return Hash_IntObj(p, i)->iData2++;                         }
static inline int             Hash_Int2ObjDec( Hash_IntMan_t * p, int i )             { return --Hash_IntObj(p, i)->iData2;                         }
static inline void            Hash_Int2ObjSetData2( Hash_IntMan_t * p, int i, int d ) { Hash_IntObj(p, i)->iData2 = d;                              }

////////////////////////////////////////////////////////////////////////
///                     FUNCTION DEFINITIONS                         ///
////////////////////////////////////////////////////////////////////////

/**Function*************************************************************

  Synopsis    [Hashing data entries composed of nSize integers.]

  Description []
               
  SideEffects []

  SeeAlso     []

***********************************************************************/
static inline Hash_IntMan_t * Hash_IntManStart( int nSize )
{
    Hash_IntMan_t * p;  nSize += 100;
    p = ABC_CALLOC( Hash_IntMan_t, 1 );
    p->vTable = Vec_IntStart( Abc_PrimeCudd(nSize) );
    p->vObjs  = Vec_IntAlloc( 4*nSize );
    Vec_IntFill( p->vObjs, 4, 0 );
    return p;
}
static inline void Hash_IntManStop( Hash_IntMan_t * p )
{
    Vec_IntFree( p->vObjs );
    Vec_IntFree( p->vTable );
    ABC_FREE( p );
}
static inline int Hash_IntManEntryNum( Hash_IntMan_t * p )
{
    return Vec_IntSize(p->vObjs)/4 - 1;
}
Changing default values.
1f16b97c
 
Alan Mishchenko committed
105 106 107 108 109 110 111 112 113 114 115 116 117 
static inline void Hash_IntManProfile( Hash_IntMan_t * p )
{
    Hash_IntObj_t * pObj;
    int i, Count, Entry;
    Vec_IntForEachEntry( p->vTable, Entry, i )
    {
        Count = 0;
        for ( pObj = Hash_IntObj( p, Entry ); pObj; pObj = Hash_IntObj( p, pObj->iNext ) )
            Count++;
        printf( "%d ", Count );
    }
    printf( "\n" );
}
New logic sharing extraction.
f704aa43
 
Alan Mishchenko committed
118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 

/**Function*************************************************************

  Synopsis    []

  Description []
               
  SideEffects []

  SeeAlso     []

***********************************************************************/
static inline int Hash_Int2ManHash( int iData0, int iData1, int nTableSize )
{
    return (4177 * (unsigned)iData0 + 7873 * (unsigned)iData1) % (unsigned)nTableSize;
}
static inline int * Hash_Int2ManLookup( Hash_IntMan_t * p, int iData0, int iData1 )
{
    Hash_IntObj_t * pObj;
    int * pPlace = Vec_IntEntryP( p->vTable, Hash_Int2ManHash(iData0, iData1, Vec_IntSize(p->vTable)) );
    for ( ; (pObj = Hash_IntObj(p, *pPlace)); pPlace = &pObj->iNext )
        if ( pObj->iData0 == iData0 && pObj->iData1 == iData1 )
            return pPlace;
    assert( *pPlace == 0 );
    return pPlace;
}
static inline int Hash_Int2ManInsert( Hash_IntMan_t * p, int iData0, int iData1, int iData2 )
{
    Hash_IntObj_t * pObj;
    int i, nObjs, * pPlace;
    nObjs = Vec_IntSize(p->vObjs)/4;
    if ( nObjs > Vec_IntSize(p->vTable) )
    {
//        printf( "Resizing...\n" );
        Vec_IntFill( p->vTable, Abc_PrimeCudd(2*Vec_IntSize(p->vTable)), 0 );
        for ( i = 1; i < nObjs; i++ )
        {
            pObj = Hash_IntObj( p, i );
            pObj->iNext = 0;
            pPlace = Hash_Int2ManLookup( p, pObj->iData0, pObj->iData1 );
            assert( *pPlace == 0 );
            *pPlace = i;
        }
    }
    pPlace = Hash_Int2ManLookup( p, iData0, iData1 );
    if ( *pPlace )
        return *pPlace;
    *pPlace = nObjs;
    Vec_IntPush( p->vObjs, iData0 );
    Vec_IntPush( p->vObjs, iData1 );
    Vec_IntPush( p->vObjs, iData2 );
    Vec_IntPush( p->vObjs, 0 );
    return nObjs;
}

/**Function*************************************************************

  Synopsis    []

  Description []
               
  SideEffects []

  SeeAlso     []

***********************************************************************/
static inline int Hsh_Int3ManHash( int iData0, int iData1, int iData2, int nTableSize )
{
    return (4177 * (unsigned)iData0 + 7873 * (unsigned)iData1 + 1699 * (unsigned)iData2) % (unsigned)nTableSize;
}
static inline int * Hsh_Int3ManLookup( Hash_IntMan_t * p, int iData0, int iData1, int iData2 )
{
    Hash_IntObj_t * pObj;
    int * pPlace = Vec_IntEntryP( p->vTable, Hsh_Int3ManHash(iData0, iData1, iData2, Vec_IntSize(p->vTable)) );
    for ( ; (pObj = Hash_IntObj(p, *pPlace)); pPlace = &pObj->iNext )
        if ( pObj->iData0 == iData0 && pObj->iData1 == iData1 && pObj->iData2 == iData2 )
            return pPlace;
    assert( *pPlace == 0 );
    return pPlace;
}
static inline int Hsh_Int3ManInsert( Hash_IntMan_t * p, int iData0, int iData1, int iData2 )
{
    Hash_IntObj_t * pObj;
    int i, nObjs, * pPlace;
    nObjs = Vec_IntSize(p->vObjs)/4;
    if ( nObjs > Vec_IntSize(p->vTable) )
    {
//        printf( "Resizing...\n" );
        Vec_IntFill( p->vTable, Abc_PrimeCudd(2*Vec_IntSize(p->vTable)), 0 );
        for ( i = 1; i < nObjs; i++ )
        {
            pObj = Hash_IntObj( p, i );
            pObj->iNext = 0;
            pPlace = Hsh_Int3ManLookup( p, pObj->iData0, pObj->iData1, pObj->iData2 );
            assert( *pPlace == 0 );
            *pPlace = i;
        }
    }
    pPlace = Hsh_Int3ManLookup( p, iData0, iData1, iData2 );
    if ( *pPlace )
        return *pPlace;
    *pPlace = nObjs;
    Vec_IntPush( p->vObjs, iData0 );
    Vec_IntPush( p->vObjs, iData1 );
    Vec_IntPush( p->vObjs, iData2 );
    Vec_IntPush( p->vObjs, 0 );
    return nObjs;
}

/**Function*************************************************************

  Synopsis    [Test procedure.]

  Description []
               
  SideEffects []

  SeeAlso     []

***********************************************************************/
static inline void Hash_IntManHashArrayTest()
{
    Hash_IntMan_t * p;
    int RetValue;

    p = Hash_IntManStart( 10 );

    RetValue = Hash_Int2ManInsert( p, 10, 11, 12 );
    assert( RetValue );

    RetValue = Hash_Int2ManInsert( p, 20, 21, 22 );
    assert( RetValue );

    RetValue = Hash_Int2ManInsert( p, 10, 11, 12 );
    assert( !RetValue );
 
    Hash_IntManStop( p );
}



////////////////////////////////////////////////////////////////////////
///                       END OF FILE                                ///
////////////////////////////////////////////////////////////////////////

ABC_NAMESPACE_HEADER_END

#endif