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

#ifndef ASRC
#define ASRC

#include "ngspice/cktdefs.h"
#include "ngspice/ifsim.h"
#include "ngspice/complex.h"


/*
 * structures to describe Arbitrary sources
 */

/* information to describe a single instance */

typedef struct sASRCinstance {

    struct GENinstance gen;

#define ASRCmodPtr(inst) ((struct sASRCmodel *)((inst)->gen.GENmodPtr))
#define ASRCnextInstance(inst) ((struct sASRCinstance *)((inst)->gen.GENnextInstance))
#define ASRCname gen.GENname
#define ASRCstates gen.GENstate

    const int ASRCposNode;     /* number of positive node of source */
    const int ASRCnegNode;     /* number of negative node of source */

    int ASRCtype;              /* Whether source is voltage or current */
    int ASRCbranch;            /* number of branch equation added for v source */
    IFparseTree *ASRCtree;     /* The parse tree */
    int *ASRCvars;             /* indices of the controlling nodes/branches */

    double ASRCtemp;           /* temperature at which this resistor operates */
    double ASRCdtemp;          /* delta-temperature of a particular instance  */
    double ASRCtc1;            /* first temperature coefficient of resistors */
    double ASRCtc2;            /* second temperature coefficient of resistors */
    int ASRCreciproctc;        /* Flag to calculate reciprocal temperature behaviour */
    double **ASRCposPtr;       /* pointer to pointers of the elements
                                * in the sparce matrix */
    double ASRCprev_value;     /* Previous value for the convergence test */
    double *ASRCacValues;      /* Store rhs and derivatives for ac anal */

    unsigned ASRCtempGiven : 1;       /* indicates temperature specified */
    unsigned ASRCdtempGiven : 1;      /* indicates delta-temp specified  */
    unsigned ASRCtc1Given : 1;        /* indicates tc1 parameter specified */
    unsigned ASRCtc2Given : 1;        /* indicates tc2 parameter specified */
    unsigned ASRCreciproctcGiven : 1; /* indicates reciproctc flag parameter specified */

} ASRCinstance;


#define ASRCvOld      ASRCstates
#define ASRCcontVOld  ASRCstates + 1

/* per model data */

typedef struct sASRCmodel {       /* model structure for a source */

    struct GENmodel gen;

#define ASRCmodType gen.GENmodType
#define ASRCnextModel(inst) ((struct sASRCmodel *)((inst)->gen.GENnextModel))
#define ASRCinstances(inst) ((ASRCinstance *)((inst)->gen.GENinstances))
#define ASRCmodName gen.GENmodName

} ASRCmodel;


/* device parameters */
enum {
    ASRC_VOLTAGE = 1,
    ASRC_CURRENT,
    ASRC_POS_NODE,
    ASRC_NEG_NODE,
    ASRC_PARSE_TREE,
    ASRC_OUTPUTVOLTAGE,
    ASRC_OUTPUTCURRENT,
    ASRC_TEMP,
    ASRC_DTEMP,
    ASRC_TC1,
    ASRC_TC2,
    ASRC_RTC,
};

/* module-wide variables */

extern double *asrc_vals, *asrc_derivs;
extern int asrc_nvals;

/* model parameters */

/* device questions */

/* model questions */

#include "asrcext.h"

#endif /*ASRC*/
