niinit.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
**********/
/*
 */
    /*
     * NIinit(nistruct,loadpkg)
     *
     *  Initialize the Numerical iteration package to perform Newton-Raphson
     *  iterations on a sparse matrix filled by the specified load package,
     */

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


int
NIinit(ckt)
    CKTcircuit  *ckt;
{
#ifdef SPARSE
/* a concession to Ken Kundert's sparse matrix package - SMP doesn't need this*/
    int Error;
#endif /* SPARSE */
    ckt->CKTniState = NIUNINITIALIZED;
    return(SMPnewMatrix( &(ckt->CKTmatrix) ) );
}