postcoms.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

    else
        names = ft_getpnames(&all, true);
    if (names == NULL)
        return;
    for (n = names; n; n = n->pn_next) {
        d = ft_evaluate(n);
        if (!d)
            return;
        if (vecs)
            lv->v_link2 = d;
        else
            vecs = d;
        for (lv = d; lv->v_link2; lv = lv->v_link2)
            ;
    }

    /* Now we have to write them out plot by plot. */

    while (vecs) {
        tpl = vecs->v_plot;
        tpl->pl_written = true;
        end = NULL;
        bcopy((char *) tpl, (char *) &newplot, sizeof (struct plot));
        scalefound = false;

        /* Figure out how many vectors are in this plot. Also look
         * for the scale, or a copy of it, which may have a different
         * name.
         */
        for (d = vecs; d; d = d->v_link2) {
            if (d->v_plot == tpl) {
                vv = vec_copy(d);
                /* Note that since we are building a new plot
                 * we don't want to vec_new this one...
                 */
                vv->v_name = vec_basename(vv);

                if (end)
                    end->v_next = vv;
                else
                    end = newplot.pl_dvecs = vv;
                end = vv;

                if (vec_eq(d, tpl->pl_scale)) {
                    newplot.pl_scale = vv;
                    scalefound = true;
                }
            }
        }
        end->v_next = NULL;

        /* Maybe we shouldn't make sure that the default scale is
         * present if nobody uses it.
         */
        if (!scalefound) {
            newplot.pl_scale = vec_copy(tpl->pl_scale);
            newplot.pl_scale->v_next = newplot.pl_dvecs;
            newplot.pl_dvecs = newplot.pl_scale;
        }

        /* Now let's go through and make sure that everything that 
         * has its own scale has it in the plot.
         */
        for (;;) {
            scalefound = false;
            for (d = newplot.pl_dvecs; d; d = d->v_next) {
                if (d->v_scale) {
                    for (vv = newplot.pl_dvecs; vv; vv =
                            vv->v_next)
                        if (vec_eq(vv, d->v_scale))
                            break;
                    /* We have to grab it... */
                    vv = vec_copy(d->v_scale);
                    vv->v_next = newplot.pl_dvecs;
                    newplot.pl_dvecs = vv;
                    scalefound = true;
                }
            }
            if (!scalefound)
                break;
            /* Otherwise loop through again... */
        }

        if (ascii)
            raw_write(file, &newplot, appendwrite, false);
        else
            raw_write(file, &newplot, appendwrite, true);

        /* Now throw out the vectors we have written already... */
        for (d = vecs, lv = NULL;  d; d = d->v_link2)
            if (d->v_plot == tpl) {
                if (lv) {
                    lv->v_link2 = d->v_link2;
                    d = lv;
                } else
                    vecs = d->v_link2;
            } else
                lv = d;
        /* If there are more plots we want them appended... */
        appendwrite = true;
    }
    return;
}

/* If the named vectors have more than 1 dimension, then consider
 * to be a collection of one or more matrices.  This command transposes
 * each named matrix.
 */
void
com_transpose(wl)
    wordlist *wl;
{
    struct dvec *d;
    char *s;

    while (wl) {
        s = cp_unquote(wl->wl_word);
        d = vec_get(s);
        if (d == NULL)
            fprintf(cp_err, "Error: no such vector as %s.\n", 
                wl->wl_word);
        else
            while (d) {
                vec_transpose(d);
                d = d->v_link2;
            }
        if (wl->wl_next == NULL)
            return;
        wl = wl->wl_next;
    }
}

/* Set the default scale to the named vector.  If no vector named,
 * find and print the default scale.
 */

void
com_setscale(wl)
    wordlist *wl;
{
    struct dvec *d;
    char *s;

    if (plot_cur) {
	if (wl) {
	    s = cp_unquote(wl->wl_word);
	    d = vec_get(s);
	    if (d == NULL)
		fprintf(cp_err, "Error: no such vector as %s.\n", 
		    wl->wl_word);
	    else
		plot_cur->pl_scale = d;
	} else if (plot_cur->pl_scale) {
	    pvec(plot_cur->pl_scale);
	}
    } else {
	fprintf(cp_err, "Error: no current plot.\n");
    }
}


/* Display vector status, etc.  Note that this only displays stuff from the
 * current plot, and you must do a setplot to see the rest of it.
 */

void
com_display(wl)
    wordlist *wl;
{
    struct dvec *d;
    struct dvec **dvs;
    int len = 0, i = 0;
    bool b;
    char *s;

    /* Maybe he wants to know about just a few vectors. */

    out_init();
    while (wl) {
        s = cp_unquote(wl->wl_word);
        d = vec_get(s);
        if (d == NULL)
            fprintf(cp_err, "Error: no such vector as %s.\n", 
                wl->wl_word);
        else
            while (d) {
                pvec(d);
                d = d->v_link2;
            }
        if (wl->wl_next == NULL)
            return;
        wl = wl->wl_next;
    }
    if (plot_cur)
        for (d = plot_cur->pl_dvecs; d; d = d->v_next)
            len++;
    if (len == 0) {
        fprintf(cp_out, "There are no vectors currently active.\n");
        return;
    }
    out_printf("Here are the vectors currently active:\n\n");
    dvs = (struct dvec **) tmalloc(len * (sizeof (struct dvec *)));
    for (d = plot_cur->pl_dvecs, i = 0; d; d = d->v_next, i++)
        dvs[i] = d;
    if (!cp_getvar("nosort", VT_BOOL, (char *) &b))
        qsort((char *) dvs, len, sizeof (struct dvec *), dcomp);

    out_printf("Title: %s\n",  plot_cur->pl_title);
    out_printf("Name: %s (%s)\nDate: %s\n\n", 
        plot_cur->pl_typename, plot_cur->pl_name, 
        plot_cur->pl_date);
    for (i = 0; i < len; i++) {
        d = dvs[i];
        pvec(d);
    }
    return;
}

static void
pvec(d)
    struct dvec *d;
{
    int i;
    char buf[BSIZE_SP], buf2[BSIZE_SP];

    sprintf(buf, "    %-20s: %s, %s, %d long", d->v_name,
            ft_typenames(d->v_type), isreal(d) ? "real" :
            "complex", d->v_length);
    if (d->v_flags & VF_MINGIVEN) {
        sprintf(buf2, ", min = %lg", d->v_minsignal);
        strcat(buf, buf2);
    }
    if (d->v_flags & VF_MAXGIVEN) {
        sprintf(buf2, ", max = %lg", d->v_maxsignal);
        strcat(buf, buf2);
    }
    switch (d->v_gridtype) {

        case GRID_LOGLOG:
        strcat(buf, ", grid = loglog");
        break;

        case GRID_XLOG:
        strcat(buf, ", grid = xlog");
        break;

        case GRID_YLOG:
        strcat(buf, ", grid = ylog");
        break;

        case GRID_POLAR:
        strcat(buf, ", grid = polar");
        break;

        case GRID_SMITH:
        strcat(buf, ", grid = smith (xformed)");
        break;

        case GRID_SMITHGRID:
        strcat(buf, ", grid = smithgrid (not xformed)");
        break;
    }
    switch (d->v_plottype) {

        case PLOT_COMB:
        strcat(buf, ", plot = comb");
        break;

        case PLOT_POINT:
        strcat(buf, ", plot = point");
        break;

    }
    if (d->v_defcolor) {
        sprintf(buf2, ", color = %s", d->v_defcolor);
        strcat(buf, buf2);
    }
    if (d->v_scale) {
        sprintf(buf2, ", scale = %s", d->v_scale->v_name);
        strcat(buf, buf2);
    }
    if (d->v_numdims > 1) {
	sprintf(buf2, ", dims = [%s]", dimstring(d->v_dims, d->v_numdims));
        strcat(buf, buf2);
    }
    if (d->v_plot->pl_scale == d) {
        strcat(buf, " [default scale]\n");
    } else {
        strcat(buf, "\n");
    }
    out_send(buf);
    return;
}

#ifdef notdef

/* Set the current working plot. */

void
com_splot(wl)
    wordlist *wl;
{
    struct plot *p;
    char buf[BSIZE_SP], *s;

    if (wl == NULL) {
        fprintf(cp_out, "\tType the name of the desired plot:\n\n");
        fprintf(cp_out, "\tnew\tNew plot\n");
        for (p = plot_list; p; p = p->pl_next) {
            if (plot_cur == p)
                fprintf(cp_out, "Current");
            fprintf(cp_out, "\t%s\t%s (%s)\n",
                p->pl_typename, p->pl_title, p->pl_name);
        }
        fprintf(cp_out, "? ");
        (void) fflush(cp_out);
        (void) fgets(buf, BSIZE_SP, cp_in);
        clearerr(cp_in);
        for (s = buf; *s && !isspace(*s); s++)
            ;
        *s = '\0';
    } else {
        (void) strcpy(buf, wl->wl_word);
    }
    if (prefix("new", buf)) {
        p = plot_alloc("unknown");
        p->pl_title = copy("Anonymous");
        p->pl_name = copy("unknown");
        p->pl_next = plot_list;
        plot_list = p;
    } else {
        for (p = plot_list; p; p = p->pl_next)
            if (plot_prefix(buf, p->pl_typename))
                break;
        if (!p) {
            fprintf(cp_err, "Error: no such plot.\n");
            return;
        }
    }
    plot_cur->pl_ccom = cp_kwswitch(CT_VECTOR, p->pl_ccom);
    plot_cur = p;
    plot_docoms(plot_cur->pl_commands);
    if (wl)
        fprintf(cp_out, "%s %s (%s)\n", p->pl_typename, p->pl_title,
                p->pl_name);
    return;
}

#endif

/* For the sort in display. */

static int
dcomp(v1, v2)
    struct dvec **v1, **v2;
{
    return (strcmp((*v1)->v_name, (*v2)->v_name));
}

#ifdef notdef

/* Figure out what the name of this vector should be (if it is a number,
 * then make it 'V' or 'I')... Note that the data is static.
 */

static char *
dname(d)
    struct dvec *d;
{
    static char buf[128];
    char *s;

    for (s = d->v_name; *s; s++)
        if (!isdigit(*s))
            return (d->v_name);
    switch (d->v_type) {
        case SV_VOLTAGE:
            (void) sprintf(buf, "V(%s)", d->v_name);
            return (buf);
        case SV_CURRENT:
            (void) sprintf(buf, "I(%s)", d->v_name);
            return (buf);
    }
    return (d->v_name);
}

#endif

/* Take a set of vectors and form a new vector of the nth elements of each. */

void
com_cross(wl)
    wordlist *wl;
{
    char *newvec, *s;
    struct dvec *n, *v, *vecs = NULL, *lv = NULL;
    struct pnode *pn;
    int i, ind;
    bool comp = false;
    double *d;

    newvec = wl->wl_word;
    wl = wl->wl_next;
    s = wl->wl_word;
    if (!(d = ft_numparse(&s, false))) {
        fprintf(cp_err, "Error: bad number %s\n", wl->wl_word);
        return;
    }
    if ((ind = *d) < 0) {
        fprintf(cp_err, "Error: bad index %d\n", ind);
        return;
    }
    wl = wl->wl_next;
    pn = ft_getpnames(wl, true);
    while (pn) {
        if (!(n = ft_evaluate(pn)))
            return;
        if (!vecs)
            vecs = lv = n;
        else
            lv->v_link2 = n;
        for (lv = n; lv->v_link2; lv = lv->v_link2)
            ;
        pn = pn->pn_next;
    }
    for (n = vecs, i = 0; n; n = n->v_link2) {
        if (iscomplex(n))
            comp = true;
        i++;
    }
    
    vec_remove(newvec);
    v = alloc(struct dvec);
    v->v_name = copy(newvec);
    v->v_type = vecs ? vecs->v_type : SV_NOTYPE;
    v->v_length = i;
    v->v_flags |= VF_PERMANENT;
    v->v_flags = comp ? VF_COMPLEX : VF_REAL;
    if (comp)
        v->v_compdata = (complex *) tmalloc(i * sizeof (complex));
    else
        v->v_realdata = (double *) tmalloc(i * sizeof (double));
    
    /* Now copy the ind'ths elements into this one. */
    for (n = vecs, i = 0; n; n = n->v_link2, i++)
        if (n->v_length > ind) {
            if (comp) {
                realpart(&v->v_compdata[i]) =
                        realpart(&n->v_compdata[ind]);
                imagpart(&v->v_compdata[i]) =
                        imagpart(&n->v_compdata[ind]);
            } else
                v->v_realdata[i] = n->v_realdata[ind];
        } else {
            if (comp) {
                realpart(&v->v_compdata[i]) = 0.0;
                imagpart(&v->v_compdata[i]) = 0.0;
            } else
                v->v_realdata[i] = 0.0;
        }
    vec_new(v);
    v->v_flags |= VF_PERMANENT;
    cp_addkword(CT_VECTOR, v->v_name);
    return;
}

void
com_destroy(wl)
    wordlist *wl;
{
    struct plot *pl, *npl = NULL;

    if (!wl)
        killplot(plot_cur);
    else if (eq(wl->wl_word, "all")) {
        for (pl = plot_list; pl; pl = npl) {
            npl = pl->pl_next;
            if (!eq(pl->pl_typename, "const"))
                killplot(pl);
        }
    } else {
        while (wl) {
            for (pl = plot_list; pl; pl = pl->pl_next)
                if (eq(pl->pl_typename, wl->wl_word))
                    break;
            if (pl)
                killplot(pl);
            else
                fprintf(cp_err, "Error: no such plot %s\n",
                        wl->wl_word);
            wl = wl->wl_next;
        }
    }
    return;
}

static void
killplot(pl)
    struct plot *pl;
{
    struct dvec *v, *nv = NULL;
    struct plot *op;

    if (eq(pl->pl_typename, "const")) {
        fprintf(cp_err, "Error: can't destroy the constant plot\n");
        return;
    }
    for (v = pl->pl_dvecs; v; v = nv) {
        nv = v->v_next;
        vec_free(v);
    }
    if (pl == plot_list) {
        plot_list = pl->pl_next;
        if (pl == plot_cur)
            plot_cur = plot_list;
    } else {
        for (op = plot_list; op; op = op->pl_next)
            if (op->pl_next == pl)
                break;
        if (!op)
            fprintf(cp_err,
                "Internal Error: kill plot -- not in list\n");
        op->pl_next = pl->pl_next;
        if (pl == plot_cur)
            plot_cur = op;
    }
    tfree(pl->pl_title);
    tfree(pl->pl_name);
    tfree(pl->pl_typename);
    wl_free(pl->pl_commands);

    /* Never mind about the rest... */

    return;
}

void
com_splot(wl)
    wordlist *wl;
{
    struct plot *pl;
    char buf[BSIZE_SP], *s, *t;

    if (wl) {
        plot_setcur(wl->wl_word);
        return;
    }
    fprintf(cp_out, "\tType the name of the desired plot:\n\n");
    fprintf(cp_out, "\tnew\tNew plot\n");
    for (pl = plot_list; pl; pl = pl->pl_next)
        fprintf(cp_out, "%s%s\t%s (%s)\n",
                (pl == plot_cur) ? "Current " : "\t",
                pl->pl_typename, pl->pl_title, pl->pl_name);
    
    fprintf(cp_out, "? ");
    if (!fgets(buf, BSIZE_SP, cp_in)) {
        clearerr(cp_in);
        return;
    }
    t = buf;
    if (!(s = gettok(&t)))
        return;

    plot_setcur(s);
    return;
}