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authorAlan Mishchenko <alanmi@berkeley.edu>2012-03-28 10:13:42 -0700
committerAlan Mishchenko <alanmi@berkeley.edu>2012-03-28 10:13:42 -0700
commit265e3e5cd4781aca3dad54985afc651172f9d735 (patch)
treebfb65d7f81ec1b614d0e215a08415b437383e7bc /src/misc/vec/vecSet.h
parent3992e344ea4849ad9ae4febbc2404e3a476f6fbe (diff)
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Moving Vec_Set_t to the vector directory.
Diffstat (limited to 'src/misc/vec/vecSet.h')
-rw-r--r--src/misc/vec/vecSet.h263
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diff --git a/src/misc/vec/vecSet.h b/src/misc/vec/vecSet.h
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+/**CFile****************************************************************
+
+ FileName [vecSet.h]
+
+ SystemName [ABC: Logic synthesis and verification system.]
+
+ PackageName [SAT solvers.]
+
+ Synopsis [Multi-page dynamic array.]
+
+ Author [Alan Mishchenko]
+
+ Affiliation [UC Berkeley]
+
+ Date [Ver. 1.0. Started - June 20, 2005.]
+
+ Revision [$Id: vecSet.h,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#ifndef ABC__sat__bsat__vecSet_h
+#define ABC__sat__bsat__vecSet_h
+
+
+////////////////////////////////////////////////////////////////////////
+/// INCLUDES ///
+////////////////////////////////////////////////////////////////////////
+
+#include <stdio.h>
+
+ABC_NAMESPACE_HEADER_START
+
+
+////////////////////////////////////////////////////////////////////////
+/// PARAMETERS ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+/// BASIC TYPES ///
+////////////////////////////////////////////////////////////////////////
+
+// data-structure for logging entries
+// memory is allocated in 2^p->nPageSize word-sized pages
+// the first 'word' of each page is used storing additional data
+// the first 'int' of additional data stores the word limit
+// the second 'int' of the additional data stores the shadow word limit
+
+typedef struct Vec_Set_t_ Vec_Set_t;
+struct Vec_Set_t_
+{
+ int nPageSize; // page size
+ unsigned uPageMask; // page mask
+ int nEntries; // entry count
+ int iPage; // current page
+ int iPageS; // shadow page
+ int nPagesAlloc; // page count allocated
+ word ** pPages; // page pointers
+};
+
+////////////////////////////////////////////////////////////////////////
+/// MACRO DEFINITIONS ///
+////////////////////////////////////////////////////////////////////////
+
+static inline int Vec_SetHandPage( Vec_Set_t * p, int h ) { return h >> p->nPageSize; }
+static inline int Vec_SetHandShift( Vec_Set_t * p, int h ) { return h & p->uPageMask; }
+static inline int Vec_SetWordNum( int nSize ) { return (nSize + 1) >> 1; }
+
+//static inline word * Vec_SetEntry( Vec_Set_t * p, int h ) { assert(Vec_SetHandPage(p, h) >= 0 && Vec_SetHandPage(p, h) <= p->iPage); assert(Vec_SetHandShift(p, h) >= 2 && Vec_SetHandShift(p, h) < (1 << p->nPageSize)); return p->pPages[Vec_SetHandPage(p, h)] + Vec_SetHandShift(p, h); }
+static inline word * Vec_SetEntry( Vec_Set_t * p, int h ) { return p->pPages[Vec_SetHandPage(p, h)] + Vec_SetHandShift(p, h); }
+static inline int Vec_SetEntryNum( Vec_Set_t * p ) { return p->nEntries; }
+static inline void Vec_SetWriteEntryNum( Vec_Set_t * p, int i){ p->nEntries = i; }
+
+static inline int Vec_SetLimit( word * p ) { return p[0]; }
+static inline int Vec_SetLimitS( word * p ) { return p[1]; }
+
+static inline int Vec_SetIncLimit( word * p, int nWords ) { return p[0] += nWords; }
+static inline int Vec_SetIncLimitS( word * p, int nWords ) { return p[1] += nWords; }
+
+static inline void Vec_SetWriteLimit( word * p, int nWords ) { p[0] = nWords; }
+static inline void Vec_SetWriteLimitS( word * p, int nWords ) { p[1] = nWords; }
+
+static inline int Vec_SetHandCurrent( Vec_Set_t * p ) { return (p->iPage << p->nPageSize) + Vec_SetLimit(p->pPages[p->iPage]); }
+static inline int Vec_SetHandCurrentS( Vec_Set_t * p ) { return (p->iPageS << p->nPageSize) + Vec_SetLimitS(p->pPages[p->iPageS]); }
+
+static inline int Vec_SetHandMemory( Vec_Set_t * p, int h ) { return Vec_SetHandPage(p, h) * (1 << (p->nPageSize+3)) + Vec_SetHandShift(p, h) * 8; }
+static inline int Vec_SetMemory( Vec_Set_t * p ) { return Vec_SetHandMemory(p, Vec_SetHandCurrent(p)); }
+static inline int Vec_SetMemoryS( Vec_Set_t * p ) { return Vec_SetHandMemory(p, Vec_SetHandCurrentS(p)); }
+static inline int Vec_SetMemoryAll( Vec_Set_t * p ) { return (p->iPage+1) * (1 << (p->nPageSize+3)); }
+
+// Type is the Set type
+// pVec is vector of set
+// nSize should be given by the user
+// pSet is the pointer to the set
+// p (page) and s (shift) are variables used here
+#define Vec_SetForEachEntry( Type, pVec, nSize, pSet, p, s ) \
+ for ( p = 0; p <= pVec->iPage; p++ ) \
+ for ( s = 2; s < Vec_SetLimit(pVec->pPages[p]) && ((pSet) = (Type)(pVec->pPages[p] + (s))); s += nSize )
+
+////////////////////////////////////////////////////////////////////////
+/// FUNCTION DEFINITIONS ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+ Synopsis [Allocating vector.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline void Vec_SetAlloc_( Vec_Set_t * p, int nPageSize )
+{
+ assert( nPageSize > 8 );
+ memset( p, 0, sizeof(Vec_Set_t) );
+ p->nPageSize = nPageSize;
+ p->uPageMask = (unsigned)((1 << nPageSize) - 1);
+ p->nPagesAlloc = 256;
+ p->pPages = ABC_CALLOC( word *, p->nPagesAlloc );
+ p->pPages[0] = ABC_ALLOC( word, (1 << p->nPageSize) );
+ p->pPages[0][0] = ~0;
+ p->pPages[0][1] = ~0;
+ Vec_SetWriteLimit( p->pPages[0], 2 );
+}
+static inline Vec_Set_t * Vec_SetAlloc( int nPageSize )
+{
+ Vec_Set_t * p;
+ p = ABC_CALLOC( Vec_Set_t, 1 );
+ Vec_SetAlloc_( p, nPageSize );
+ return p;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Resetting vector.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline void Vec_SetRestart( Vec_Set_t * p )
+{
+ p->nEntries = 0;
+ p->iPage = 0;
+ p->iPageS = 0;
+ p->pPages[0][0] = ~0;
+ p->pPages[0][1] = ~0;
+ Vec_SetWriteLimit( p->pPages[0], 2 );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Freeing vector.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline void Vec_SetFree_( Vec_Set_t * p )
+{
+ int i;
+ for ( i = 0; i < p->nPagesAlloc; i++ )
+ ABC_FREE( p->pPages[i] );
+ ABC_FREE( p->pPages );
+}
+static inline void Vec_SetFree( Vec_Set_t * p )
+{
+ Vec_SetFree_( p );
+ ABC_FREE( p );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Appending entries to vector.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline int Vec_SetAppend( Vec_Set_t * p, int * pArray, int nSize )
+{
+ int nWords = Vec_SetWordNum( nSize );
+ assert( nWords < (1 << p->nPageSize) );
+ p->nEntries++;
+ if ( Vec_SetLimit( p->pPages[p->iPage] ) + nWords > (1 << p->nPageSize) )
+ {
+ if ( ++p->iPage == p->nPagesAlloc )
+ {
+ p->pPages = ABC_REALLOC( word *, p->pPages, p->nPagesAlloc * 2 );
+ memset( p->pPages + p->nPagesAlloc, 0, sizeof(word *) * p->nPagesAlloc );
+ p->nPagesAlloc *= 2;
+ }
+ if ( p->pPages[p->iPage] == NULL )
+ p->pPages[p->iPage] = ABC_ALLOC( word, (1 << p->nPageSize) );
+ Vec_SetWriteLimit( p->pPages[p->iPage], 2 );
+ p->pPages[p->iPage][1] = ~0;
+ }
+ if ( pArray )
+ memcpy( p->pPages[p->iPage] + Vec_SetLimit(p->pPages[p->iPage]), pArray, sizeof(int) * nSize );
+ Vec_SetIncLimit( p->pPages[p->iPage], nWords );
+ return Vec_SetHandCurrent(p) - nWords;
+}
+static inline int Vec_SetAppendS( Vec_Set_t * p, int nSize )
+{
+ int nWords = Vec_SetWordNum( nSize );
+ assert( nWords < (1 << p->nPageSize) );
+ if ( Vec_SetLimitS( p->pPages[p->iPageS] ) + nWords > (1 << p->nPageSize) )
+ Vec_SetWriteLimitS( p->pPages[++p->iPageS], 2 );
+ Vec_SetIncLimitS( p->pPages[p->iPageS], nWords );
+ return Vec_SetHandCurrentS(p) - nWords;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Shrinking vector size.]
+
+ Description []
+
+ SideEffects [This procedure does not update the number of entries.]
+
+ SeeAlso []
+
+***********************************************************************/
+static inline void Vec_SetShrink( Vec_Set_t * p, int h )
+{
+ assert( h <= Vec_SetHandCurrent(p) );
+ p->iPage = Vec_SetHandPage(p, h);
+ Vec_SetWriteLimit( p->pPages[p->iPage], Vec_SetHandShift(p, h) );
+}
+static inline void Vec_SetShrinkS( Vec_Set_t * p, int h )
+{
+ assert( h <= Vec_SetHandCurrent(p) );
+ p->iPageS = Vec_SetHandPage(p, h);
+ Vec_SetWriteLimitS( p->pPages[p->iPageS], Vec_SetHandShift(p, h) );
+}
+
+static inline void Vec_SetShrinkLimits( Vec_Set_t * p )
+{
+ int i;
+ for ( i = 0; i <= p->iPage; i++ )
+ Vec_SetWriteLimit( p->pPages[i], Vec_SetLimitS(p->pPages[i]) );
+}
+
+
+ABC_NAMESPACE_HEADER_END
+
+#endif
+
+////////////////////////////////////////////////////////////////////////
+/// END OF FILE ///
+////////////////////////////////////////////////////////////////////////
+