cktinit.c

spice中支持多层次元件模型仿真的可单独运行的插件源码

/**********
Copyright 1990 Regents of the University of California.  All rights reserved.
Author: 1985 Thomas L. Quarles
**********/

#include "spice.h"
#include <stdio.h>
#include "ifsim.h"
#include "cktdefs.h"
#include "util.h"
#include "const.h"
#include "sperror.h"
#include "suffix.h"

int
CKTinit(ckt)
    GENERIC **ckt;  /* new circuit to create */
{
    register int i;
    register CKTcircuit *sckt;
    int error;

    sckt = (CKTcircuit *)( *ckt = (char *)MALLOC(sizeof(CKTcircuit)) );
    if(sckt == NULL) return(E_NOMEM);
    for (i=0;i<DEVmaxnum;i++) {
        (sckt)->CKThead[i] = (GENmodel *) NULL;
    }
    (sckt)->CKTmaxEqNum = 1;
    (sckt)->CKTnodes = (CKTnode *)NULL;
    (sckt)->CKTlastNode = (CKTnode *)NULL;
    sckt->CKTmatrix = NULL;
#ifdef notdef
    error = NIinit(sckt);
    if(error) return(error);
#endif

    (sckt)->CKTgmin = 1e-12;
    (sckt)->CKTabstol = 1e-12;
    (sckt)->CKTreltol = 1e-3;
    (sckt)->CKTchgtol = 1e-14;
    (sckt)->CKTvoltTol = 1e-6;
    (sckt)->CKTtrtol = 7;
    (sckt)->CKTbypass = 1;
    (sckt)->CKTisSetup = 0;
    (sckt)->CKTtranMaxIter = 10;
    (sckt)->CKTdcMaxIter = 100;
    (sckt)->CKTdcTrcvMaxIter = 50;
    (sckt)->CKTintegrateMethod = TRAPEZOIDAL;
    (sckt)->CKTorder = 1;
    (sckt)->CKTmaxOrder = 2;
    (sckt)->CKTpivotAbsTol = 1e-13;
    (sckt)->CKTpivotRelTol = 1e-3;
    (sckt)->CKTtemp = 300.15;
    (sckt)->CKTnomTemp = 300.15;
    (sckt)->CKTdefaultMosL = 1e-4;
    (sckt)->CKTdefaultMosW = 1e-4;
    (sckt)->CKTdefaultMosAD = 0;
    (sckt)->CKTdefaultMosAS = 0;
    (sckt)->CKTsrcFact=1;
    (sckt)->CKTdiagGmin=0;
    (sckt)->CKTstat = (STATistics *)MALLOC(sizeof(STATistics));
    (sckt)->CKTtroubleNode = 0;
    (sckt)->CKTtroubleElt = NULL;
    (sckt)->CKTtimePoints = NULL;
    if( (sckt)->CKTstat == (STATistics *)NULL) return(E_NOMEM);

    return(OK);
}