Пример #1
0
static int
dot_noise(char *line, CKTcircuit *ckt, INPtables *tab, struct card *current,
          TSKtask *task, CKTnode *gnode, JOB *foo)
{
    int which;			/* which analysis we are performing */
    int error;			/* error code temporary */
    char *name;			/* the resistor's name */
    char *nname1;		/* the first node's name */
    char *nname2;		/* the second node's name */
    CKTnode *node1;		/* the first node's node pointer */
    CKTnode *node2;		/* the second node's node pointer */
    IFvalue ptemp;		/* a value structure to package resistance into */
    IFvalue *parm;		/* a pointer to a value struct for function returns */
    char *steptype;		/* ac analysis, type of stepping function */

    int found;
    char *point;

    /* .noise V(OUTPUT,REF) SRC {DEC OCT LIN} NP FSTART FSTOP <PTSPRSUM> */
    which = ft_find_analysis("NOISE");
    if (which == -1) {
        LITERR("Noise analysis unsupported.\n");
        return (0);
    }
    IFC(newAnalysis, (ckt, which, "Noise Analysis", &foo, task));
    INPgetTok(&line, &name, 1);

    /* Make sure the ".noise" command is followed by V(xxxx).  If it
       is, extract 'xxxx'.  If not, report an error. */

    if (name != NULL) {

        if ((*name == 'V' || *name == 'v') && !name[1]) {

            INPgetNetTok(&line, &nname1, 0);
            INPtermInsert(ckt, &nname1, tab, &node1);
            ptemp.nValue = node1;
            GCA(INPapName, (ckt, which, foo, "output", &ptemp));

            if (*line != ')') {
                INPgetNetTok(&line, &nname2, 1);
                INPtermInsert(ckt, &nname2, tab, &node2);
                ptemp.nValue = node2;
            } else {
                ptemp.nValue = gnode;
            }
            GCA(INPapName, (ckt, which, foo, "outputref", &ptemp));

            tfree(name);
            INPgetTok(&line, &name, 1);
            INPinsert(&name, tab);
            ptemp.uValue = name;
            GCA(INPapName, (ckt, which, foo, "input", &ptemp));

            INPgetTok(&line, &steptype, 1);
            ptemp.iValue = 1;
            error = INPapName(ckt, which, foo, steptype, &ptemp);
            tfree(steptype);
            if (error)
                current->error = INPerrCat(current->error, INPerror(error));
            parm = INPgetValue(ckt, &line, IF_INTEGER, tab);
            error = INPapName(ckt, which, foo, "numsteps", parm);
            if (error)
                current->error = INPerrCat(current->error, INPerror(error));
            parm = INPgetValue(ckt, &line, IF_REAL, tab);
            error = INPapName(ckt, which, foo, "start", parm);
            if (error)
                current->error = INPerrCat(current->error, INPerror(error));
            parm = INPgetValue(ckt, &line, IF_REAL, tab);
            error = INPapName(ckt, which, foo, "stop", parm);
            if (error)
                current->error = INPerrCat(current->error, INPerror(error));

            /* now see if "ptspersum" has been specified by the user */

            for (found = 0, point = line; (!found) && (*point != '\0'); found = ((*point != ' ') && (*(point++) != '\t')))
                ;
            if (found) {
                parm = INPgetValue(ckt, &line, IF_INTEGER, tab);
                error = INPapName(ckt, which, foo, "ptspersum", parm);
                if (error)
                    current->error = INPerrCat(current->error, INPerror(error));
            } else {
                ptemp.iValue = 0;
                error = INPapName(ckt, which, foo, "ptspersum", &ptemp);
                if (error)
                    current->error = INPerrCat(current->error, INPerror(error));
            }
        } else
            LITERR("bad syntax "
                   "[.noise v(OUT) SRC {DEC OCT LIN} "
                   "NP FSTART FSTOP <PTSPRSUM>]\n");
    } else {
        LITERR("bad syntax "
               "[.noise v(OUT) SRC {DEC OCT LIN} "
               "NP FSTART FSTOP <PTSPRSUM>]\n");
    }
    return 0;
}
Пример #2
0
static int
dot_noise(char *line, void *ckt, INPtables *tab, card *current,
	  void *task, void *gnode, void *foo)
{
    int which;			/* which analysis we are performing */
    int i;			/* generic loop variable */
    int error;			/* error code temporary */
    char *name;			/* the resistor's name */
    char *nname1;		/* the first node's name */
    char *nname2;		/* the second node's name */
    void *node1;		/* the first node's node pointer */
    void *node2;		/* the second node's node pointer */
    IFvalue ptemp;		/* a value structure to package resistance into */
    IFvalue *parm;		/* a pointer to a value struct for function returns */
    char *steptype;		/* ac analysis, type of stepping function */

    int found;
    char *point;

    /* .noise V(OUTPUT,REF) SRC {DEC OCT LIN} NP FSTART FSTOP <PTSPRSUM> */
    which = -1;
    for (i = 0; i < ft_sim->numAnalyses; i++) {
	if (strcmp(ft_sim->analyses[i]->name, "NOISE") == 0) {
	    which = i;
	    break;
	}
    }
    if (which == -1) {
	LITERR("Noise analysis unsupported.\n");
	return (0);
    }
    IFC(newAnalysis, (ckt, which, "Noise Analysis", &foo, task));
    INPgetTok(&line, &name, 1);

    /* Make sure the ".noise" command is followed by V(xxxx).  If it
       is, extract 'xxxx'.  If not, report an error. */

    if (name != NULL) {
	int length;

	length = strlen(name);
	if (((*name == 'V') || (*name == 'v')) && (length == 1)) {

	    INPgetNetTok(&line, &nname1, 0);
	    INPtermInsert(ckt, &nname1, tab, &node1);
	    ptemp.nValue = (IFnode) node1;
	    GCA(INPapName, (ckt, which, foo, "output", &ptemp))

		if (*line != ')') {
		    INPgetNetTok(&line, &nname2, 1);
		    INPtermInsert(ckt, &nname2, tab, &node2);
		    ptemp.nValue = (IFnode) node2;
		} else {
		    ptemp.nValue = (IFnode) gnode;
		}
	    GCA(INPapName, (ckt, which, foo, "outputref", &ptemp))

		INPgetTok(&line, &name, 1);
	    INPinsert(&name, tab);
	    ptemp.uValue = name;
	    GCA(INPapName, (ckt, which, foo, "input", &ptemp))

		INPgetTok(&line, &steptype, 1);
	    ptemp.iValue = 1;
	    error = INPapName(ckt, which, foo, steptype, &ptemp);
	    if (error)
		current->error = INPerrCat(current->error, INPerror(error));
	    parm = INPgetValue(ckt, &line, IF_INTEGER, tab);
	    error = INPapName(ckt, which, foo, "numsteps", parm);
	    if (error)
		current->error = INPerrCat(current->error, INPerror(error));
	    parm = INPgetValue(ckt, &line, IF_REAL, tab);
	    error = INPapName(ckt, which, foo, "start", parm);
	    if (error)
		current->error = INPerrCat(current->error, INPerror(error));
	    parm = INPgetValue(ckt, &line, IF_REAL, tab);
	    error = INPapName(ckt, which, foo, "stop", parm);
	    if (error)
		current->error = INPerrCat(current->error, INPerror(error));

	    /* now see if "ptspersum" has been specified by the user */

	    for (found = 0, point = line; (!found) && (*point != '\0');
		 found = ((*point != ' ') && (*(point++) != '\t')));
	    if (found) {
		parm = INPgetValue(ckt, &line, IF_INTEGER, tab);
		error = INPapName(ckt, which, foo, "ptspersum", parm);
		if (error)
		    current->error = INPerrCat(current->error, INPerror(error));
	    } else {
		ptemp.iValue = 0;
		error = INPapName(ckt, which, foo, "ptspersum", &ptemp);
		if (error)
		    current->error = INPerrCat(current->error, INPerror(error));
	    }
	} else