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/**CFile****************************************************************
FileName [msatVec.c]
PackageName [A C version of SAT solver MINISAT, originally developed
in C++ by Niklas Een and Niklas Sorensson, Chalmers University of
Technology, Sweden: http://www.cs.chalmers.se/~een/Satzoo.]
Synopsis [Integer vector borrowed from Extra.]
Author [Alan Mishchenko <alanmi@eecs.berkeley.edu>]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - January 1, 2004.]
Revision [$Id: msatVec.c,v 1.0 2004/01/01 1:00:00 alanmi Exp $]
***********************************************************************/
#include "msatInt.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
static int Msat_IntVecSortCompare1( int * pp1, int * pp2 );
static int Msat_IntVecSortCompare2( int * pp1, int * pp2 );
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Allocates a vector with the given capacity.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Msat_IntVec_t * Msat_IntVecAlloc( int nCap )
{
Msat_IntVec_t * p;
p = ALLOC( Msat_IntVec_t, 1 );
if ( nCap > 0 && nCap < 16 )
nCap = 16;
p->nSize = 0;
p->nCap = nCap;
p->pArray = p->nCap? ALLOC( int, p->nCap ) : NULL;
return p;
}
/**Function*************************************************************
Synopsis [Creates the vector from an integer array of the given size.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Msat_IntVec_t * Msat_IntVecAllocArray( int * pArray, int nSize )
{
Msat_IntVec_t * p;
p = ALLOC( Msat_IntVec_t, 1 );
p->nSize = nSize;
p->nCap = nSize;
p->pArray = pArray;
return p;
}
/**Function*************************************************************
Synopsis [Creates the vector from an integer array of the given size.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Msat_IntVec_t * Msat_IntVecAllocArrayCopy( int * pArray, int nSize )
{
Msat_IntVec_t * p;
p = ALLOC( Msat_IntVec_t, 1 );
p->nSize = nSize;
p->nCap = nSize;
p->pArray = ALLOC( int, nSize );
memcpy( p->pArray, pArray, sizeof(int) * nSize );
return p;
}
/**Function*************************************************************
Synopsis [Duplicates the integer array.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Msat_IntVec_t * Msat_IntVecDup( Msat_IntVec_t * pVec )
{
Msat_IntVec_t * p;
p = ALLOC( Msat_IntVec_t, 1 );
p->nSize = pVec->nSize;
p->nCap = pVec->nCap;
p->pArray = p->nCap? ALLOC( int, p->nCap ) : NULL;
memcpy( p->pArray, pVec->pArray, sizeof(int) * pVec->nSize );
return p;
}
/**Function*************************************************************
Synopsis [Transfers the array into another vector.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Msat_IntVec_t * Msat_IntVecDupArray( Msat_IntVec_t * pVec )
{
Msat_IntVec_t * p;
p = ALLOC( Msat_IntVec_t, 1 );
p->nSize = pVec->nSize;
p->nCap = pVec->nCap;
p->pArray = pVec->pArray;
pVec->nSize = 0;
pVec->nCap = 0;
pVec->pArray = NULL;
return p;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Msat_IntVecFree( Msat_IntVec_t * p )
{
FREE( p->pArray );
FREE( p );
}
/**Function*************************************************************
Synopsis [Fills the vector with given number of entries.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Msat_IntVecFill( Msat_IntVec_t * p, int nSize, int Entry )
{
int i;
Msat_IntVecGrow( p, nSize );
p->nSize = nSize;
for ( i = 0; i < p->nSize; i++ )
p->pArray[i] = Entry;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int * Msat_IntVecReleaseArray( Msat_IntVec_t * p )
{
int * pArray = p->pArray;
p->nCap = 0;
p->nSize = 0;
p->pArray = NULL;
return pArray;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int * Msat_IntVecReadArray( Msat_IntVec_t * p )
{
return p->pArray;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Msat_IntVecReadSize( Msat_IntVec_t * p )
{
return p->nSize;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Msat_IntVecReadEntry( Msat_IntVec_t * p, int i )
{
assert( i >= 0 && i < p->nSize );
return p->pArray[i];
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Msat_IntVecWriteEntry( Msat_IntVec_t * p, int i, int Entry )
{
assert( i >= 0 && i < p->nSize );
p->pArray[i] = Entry;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Msat_IntVecReadEntryLast( Msat_IntVec_t * p )
{
return p->pArray[p->nSize-1];
}
/**Function*************************************************************
Synopsis [Resizes the vector to the given capacity.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Msat_IntVecGrow( Msat_IntVec_t * p, int nCapMin )
{
if ( p->nCap >= nCapMin )
return;
p->pArray = REALLOC( int, p->pArray, nCapMin );
p->nCap = nCapMin;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Msat_IntVecShrink( Msat_IntVec_t * p, int nSizeNew )
{
assert( p->nSize >= nSizeNew );
p->nSize = nSizeNew;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Msat_IntVecClear( Msat_IntVec_t * p )
{
p->nSize = 0;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Msat_IntVecPush( Msat_IntVec_t * p, int Entry )
{
if ( p->nSize == p->nCap )
{
if ( p->nCap < 16 )
Msat_IntVecGrow( p, 16 );
else
Msat_IntVecGrow( p, 2 * p->nCap );
}
p->pArray[p->nSize++] = Entry;
}
/**Function*************************************************************
Synopsis [Add the element while ensuring uniqueness.]
Description [Returns 1 if the element was found, and 0 if it was new. ]
SideEffects []
SeeAlso []
***********************************************************************/
int Msat_IntVecPushUnique( Msat_IntVec_t * p, int Entry )
{
int i;
for ( i = 0; i < p->nSize; i++ )
if ( p->pArray[i] == Entry )
return 1;
Msat_IntVecPush( p, Entry );
return 0;
}
/**Function*************************************************************
Synopsis [Inserts the element while sorting in the increasing order.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Msat_IntVecPushUniqueOrder( Msat_IntVec_t * p, int Entry, int fIncrease )
{
int Entry1, Entry2;
int i;
Msat_IntVecPushUnique( p, Entry );
// find the p of the node
for ( i = p->nSize-1; i > 0; i-- )
{
Entry1 = p->pArray[i ];
Entry2 = p->pArray[i-1];
if ( fIncrease && Entry1 >= Entry2 ||
!fIncrease && Entry1 <= Entry2 )
break;
p->pArray[i ] = Entry2;
p->pArray[i-1] = Entry1;
}
}
/**Function*************************************************************
Synopsis [Returns the last entry and removes it from the list.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Msat_IntVecPop( Msat_IntVec_t * p )
{
assert( p->nSize > 0 );
return p->pArray[--p->nSize];
}
/**Function*************************************************************
Synopsis [Sorting the entries by their integer value.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Msat_IntVecSort( Msat_IntVec_t * p, int fReverse )
{
if ( fReverse )
qsort( (void *)p->pArray, p->nSize, sizeof(int),
(int (*)(const void *, const void *)) Msat_IntVecSortCompare2 );
else
qsort( (void *)p->pArray, p->nSize, sizeof(int),
(int (*)(const void *, const void *)) Msat_IntVecSortCompare1 );
}
/**Function*************************************************************
Synopsis [Comparison procedure for two clauses.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Msat_IntVecSortCompare1( int * pp1, int * pp2 )
{
// for some reason commenting out lines (as shown) led to crashing of the release version
if ( *pp1 < *pp2 )
return -1;
if ( *pp1 > *pp2 ) //
return 1;
return 0; //
}
/**Function*************************************************************
Synopsis [Comparison procedure for two clauses.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Msat_IntVecSortCompare2( int * pp1, int * pp2 )
{
// for some reason commenting out lines (as shown) led to crashing of the release version
if ( *pp1 > *pp2 )
return -1;
if ( *pp1 < *pp2 ) //
return 1;
return 0; //
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
|
