covMinMan.c File Reference

#include "covInt.h"

Go to the source code of this file.

Functions
ABC_NAMESPACE_IMPL_START Min_Man_t *	Min_ManAlloc (int nVars)
	DECLARATIONS ///. More...
void	Min_ManClean (Min_Man_t *p, int nSupp)
void	Min_ManFree (Min_Man_t *p)

Function Documentation

ABC_NAMESPACE_IMPL_START Min_Man_t* Min_ManAlloc

(

int

nVars

)

DECLARATIONS ///.

CFile****************************************************************

FileName [covMinMan.c]

SystemName [ABC: Logic synthesis and verification system.]

PackageName [Mapping into network of SOPs/ESOPs.]

Synopsis [SOP manipulation.]

Author [Alan Mishchenko]

Affiliation [UC Berkeley]

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

Revision [

Id:

covMinMan.c,v 1.00 2005/06/20 00:00:00 alanmi Exp

]FUNCTION DEFINITIONS /// Function*************************************************************

Synopsis [Starts the minimization manager.]

Description []

SideEffects []

SeeAlso []

Definition at line 45 of file covMinMan.c.

{
    Min_Man_t * pMan;
    // start the manager
    pMan = ABC_ALLOC( Min_Man_t, 1 );
    memset( pMan, 0, sizeof(Min_Man_t) );
    pMan->nVars   = nVars;
    pMan->nWords  = Abc_BitWordNum( nVars * 2 );
    pMan->pMemMan = Extra_MmFixedStart( sizeof(Min_Cube_t) + sizeof(unsigned) * (pMan->nWords - 1) );
    // allocate storage for the temporary cover
    pMan->ppStore = ABC_ALLOC( Min_Cube_t *, pMan->nVars + 1 );
    // create tautology cubes
    Min_ManClean( pMan, nVars );
    pMan->pOne0  = Min_CubeAlloc( pMan );
    pMan->pOne1  = Min_CubeAlloc( pMan );
    pMan->pTemp  = Min_CubeAlloc( pMan );
    pMan->pBubble = Min_CubeAlloc( pMan );  pMan->pBubble->uData[0] = 0;
    // create trivial cubes
    Min_ManClean( pMan, 1 );
    pMan->pTriv0[0] = Min_CubeAllocVar( pMan, 0, 0 );
    pMan->pTriv0[1] = Min_CubeAllocVar( pMan, 0, 1 );   
    pMan->pTriv1[0] = Min_CubeAllocVar( pMan, 0, 0 );
    pMan->pTriv1[1] = Min_CubeAllocVar( pMan, 0, 1 );   
    Min_ManClean( pMan, nVars );
    return pMan;
}

void Min_ManClean	(	Min_Man_t *	p,
		int	nSupp
	)

Function*************************************************************

Synopsis [Cleans the minimization manager.]

Description []

SideEffects []

SeeAlso []

Definition at line 83 of file covMinMan.c.

{
    // set the size of the cube manager
    p->nVars  = nSupp;
    p->nWords = Abc_BitWordNum(2*nSupp);
    // clean the storage
    memset( p->ppStore, 0, sizeof(Min_Cube_t *) * (nSupp + 1) );
    p->nCubes = 0;
}

void Min_ManFree

(

Min_Man_t *

p

)

Function*************************************************************

Synopsis [Stops the minimization manager.]

Description []

SideEffects []

SeeAlso []

Definition at line 104 of file covMinMan.c.

{
    Extra_MmFixedStop( p->pMemMan );
    ABC_FREE( p->ppStore );
    ABC_FREE( p );
}