postcoms.c

ngspice又一个电子CAD仿真软件代码.功能更全

/**********
Copyright 1990 Regents of the University of California.  All rights reserved.
Author: 1985 Wayne A. Christopher, U. C. Berkeley CAD Group 
**********/

/*
 * Various post-processor commands having to do with vectors.
 */

#include <ngspice.h>
#include <cpdefs.h>
#include <ftedefs.h>
#include <dvec.h>
#include <sim.h>
#include <plot.h>

#include "completion.h"
#include "postcoms.h"
#include "quote.h"
#include "variable.h"
#include "parser/complete.h" /* va: throwaway */

/* static declarations */
static void killplot(struct plot *pl);


/* Undefine vectors. */

void
com_unlet(wordlist *wl)
{
    while (wl) {
        vec_remove(wl->wl_word);
        wl = wl->wl_next;
    }
    return;
}

/* Load in a file. */

void
com_load(wordlist *wl)
{
char *copypath;
    if (!wl)
        ft_loadfile(ft_rawfile);
    else
        while (wl) {
            /*ft_loadfile(cp_unquote(wl->wl_word)); DG: bad memory leak*/
            copypath=cp_unquote(wl->wl_word);/*DG*/
            ft_loadfile(copypath);
            tfree(copypath);
            wl = wl->wl_next;
        }

    /* note: default is to display the vectors in the last (current) plot */
    com_display(NULL);

    return;
}

/* Print out the value of an expression. When we are figuring out what to
 * print, link the vectors we want with v_link2... This has to be done
 * because of the way temporary vectors are linked together with permanent
 * ones under the plot.
 */

void
com_print(wordlist *wl)
{
    struct dvec *v, *lv = NULL, *bv, *nv, *vecs = NULL;
    int i, j, ll, width = DEF_WIDTH, height = DEF_HEIGHT, npoints, lineno;
    struct pnode *nn;
    struct plot *p;
    bool col = TRUE, nobreak = FALSE, noprintscale, plotnames = FALSE;
    bool optgiven = FALSE;
    char *s, buf[BSIZE_SP], buf2[BSIZE_SP];
    char numbuf[BSIZE_SP], numbuf2[BSIZE_SP]; /* Printnum buffers */
    int ngood;

    if (wl == NULL)
        return;
        
    if (eq(wl->wl_word, "col")) {
        col = TRUE;
        optgiven = TRUE;
        wl = wl->wl_next;
    } else if (eq(wl->wl_word, "line")) {
        col = FALSE;
        optgiven = TRUE;
        wl = wl->wl_next;
    }

    ngood = 0;
    for (nn = ft_getpnames(wl, TRUE); nn; nn = nn->pn_next) {
        if (!(v = ft_evaluate(nn)))
	    continue;
	if (!vecs)
	    vecs = lv = v;
	else
	    lv->v_link2 = v;
	for (lv = v; lv->v_link2; lv = lv->v_link2)
	    ;
	ngood += 1;
    }

    if (!ngood)
	return;

    /* See whether we really have to print plot names. */
    for (v = vecs; v; v = v->v_link2)
        if (vecs->v_plot != v->v_plot) {
            plotnames = TRUE;
            break;
        }
    
    if (!optgiven) {
        /* Figure out whether col or line should be used... */
        col = FALSE;
        for (v = vecs; v; v = v->v_link2)
            if (v->v_length > 1) {
                col = TRUE;
                break;
            }
    }

    out_init();
    if (!col) {
        for (v = vecs; v; v = v->v_link2) {
            if (plotnames) {
                (void) sprintf(buf, "%s.%s", v->v_plot->pl_typename,
                        vec_basename(v));
            } else {
                (void) strcpy(buf, vec_basename(v));
            }
            for (s = buf; *s; s++)
                ;
            s--;
            while (isspace(*s)) {
                *s = '\0';
                s--;
            }
            ll = 10;
            if (v->v_length == 1) {
                if (isreal(v)) {
                	printnum(numbuf, *v->v_realdata);
                    out_printf("%s = %s\n", buf, numbuf);
                } else {
                 /*DG: memory leak here copy of the string returned by printnum will never be freed 
                    out_printf("%s = %s,%s\n", buf,
                        copy(printnum(realpart(v->v_compdata))),
                        copy(printnum(imagpart(v->v_compdata)))); */
                        
                    printnum(numbuf,  realpart(v->v_compdata));
                    printnum(numbuf2, imagpart(v->v_compdata));
                    
                    out_printf("%s = %s,%s\n", buf,
                        numbuf,
                        numbuf2);
                   

                }
            } else {
                out_printf("%s = (  ", buf);
                for (i = 0; i < v->v_length; i++)
                    if (isreal(v)) {
                    	
                    	printnum(numbuf, v->v_realdata[i]);
                        (void) strcpy(buf, numbuf);
                        out_send(buf);
                        ll += strlen(buf);
                        ll = (ll + 7) / 8;
                        ll = ll * 8 + 1;
                        if (ll > 60) {
                            out_send("\n\t");
                            ll = 9;
                        } else
                            out_send("\t");
                    } else {
                        /*DG*/
                        printnum(numbuf,  realpart(&v->v_compdata[i]));
                        printnum(numbuf2, imagpart(&v->v_compdata[i]));
                        (void) sprintf(buf, "%s,%s",
                            numbuf,
                            numbuf2);
                        out_send(buf);
                        ll += strlen(buf);
                        ll = (ll + 7) / 8;
                        ll = ll * 8 + 1;
                        if (ll > 60) {
                            out_send("\n\t");
                            ll = 9;
                        } else
                            out_send("\t");
                    }
                out_send(")\n");
            }
        }
    } else {    /* Print in columns. */
        if (cp_getvar("width", VT_NUM, (char *) &i))
            width = i;
        if (width < 40)
            width = 40;
        if (cp_getvar("height", VT_NUM, (char *) &i))
            height = i;
        if (height < 20)
            height = 20;
        if (!cp_getvar("nobreak", VT_BOOL, (char *) &nobreak) && !ft_nopage)
            nobreak = FALSE;
	else
	    nobreak = TRUE;
        (void) cp_getvar("noprintscale", VT_BOOL, (char *) 
                &noprintscale);
        bv = vecs;
nextpage:
        /* Make the first vector of every page be the scale... */
	/* XXX But what if there is no scale?  e.g. op, pz */
        if (!noprintscale && bv->v_plot->pl_ndims) {
            if (bv->v_plot->pl_scale && !vec_eq(bv, bv->v_plot->pl_scale)) {
                nv = vec_copy(bv->v_plot->pl_scale);
                vec_new(nv);
                nv->v_link2 = bv;
                bv = nv;
            }
        }
        ll = 8;
        for (lv = bv; lv; lv = lv->v_link2) {
            if (isreal(lv))
                ll += 16;   /* Two tabs for real, */
            else
                ll += 32;   /* 4 for complex. */
            /* Make sure we have at least 2 vectors per page... */
            if ((ll > width) && (lv != bv) && (lv != bv->v_link2))
                break;
        }

        /* Print the header on the first page only. */
        p = bv->v_plot;
        j = (width - (int) strlen(p->pl_title)) / 2;	/* Yes, keep "(int)" */
	if (j < 0)
		j = 0;
        for (i = 0; i < j; i++)
            buf2[i] = ' ';
        buf2[j] = '\0';
        out_send(buf2);
        out_send(p->pl_title);
        out_send("\n");
        out_send(buf2);
        (void) sprintf(buf, "%s  %s", p->pl_name, p->pl_date);
        j = (width - strlen(buf)) / 2;
        out_send(buf);
        out_send("\n");
        for (i = 0; i < width; i++)
            buf2[i] = '-';
        buf2[width] = '\n';
        buf2[width+1] = '\0';
        out_send(buf2);
        (void) sprintf(buf, "Index   ");
        for (v = bv; v && (v != lv); v = v->v_link2) {
            if (isreal(v))
                (void) sprintf(buf2, "%-16.15s", v->v_name);
            else
                (void) sprintf(buf2, "%-32.31s", v->v_name);
            (void) strcat(buf, buf2);   
        }
        lineno = 3;
        j = 0;
        npoints = 0;
        for (v = bv; (v && (v != lv)); v = v->v_link2)
            if (v->v_length > npoints)
                npoints = v->v_length;
pbreak:     /* New page. */
        out_send(buf);
        out_send("\n");
        for (i = 0; i < width; i++)
            buf2[i] = '-';
        buf2[width] = '\n';
        buf2[width+1] = '\0';
        out_send(buf2);
        lineno += 2;
loop:
        while ((j < npoints) && (lineno < height)) {
/*            out_printf("%d\t", j); */
	    sprintf(out_pbuf, "%d\t", j);
	    out_send(out_pbuf);
            for (v = bv; (v && (v != lv)); v = v->v_link2) {
                if (v->v_length <= j) {
                    if (isreal(v))
                        out_send("\t\t");
                    else
                        out_send("\t\t\t\t");
                } else {
                    if (isreal(v)) {
                        sprintf(out_pbuf, "%e\t", 
                        	v->v_realdata[j]);
			out_send(out_pbuf);
                    } else {
                        sprintf(out_pbuf, "%e,\t%e\t",
                        	realpart(&v->v_compdata[j]),
                        	imagpart(&v->v_compdata[j]));
			out_send(out_pbuf);
		    }
                }
            }
            out_send("\n");
            j++;
            lineno++;
        }
        if ((j == npoints) && (lv == NULL)) /* No more to print. */
            goto done;
        if (j == npoints) { /* More vectors to print. */
            bv = lv;
            out_send("\f\n");   /* Form feed. */
            goto nextpage;
        }

        /* Otherwise go to a new page. */
        lineno = 0;
        if (nobreak)
            goto loop;
        else
            out_send("\f\n");   /* Form feed. */
        goto pbreak;
    }
done:
    /* Get rid of the vectors. */
    return;
}

/* Write out some data. write filename expr ... Some cleverness here is
 * required.  If the user mentions a few vectors from various plots,
 * probably he means for them to be written out seperate plots.  In any
 * case, we have to be sure to write out the scales for everything we
 * write...
 */

void
com_write(wordlist *wl)
{
    char *file, buf[BSIZE_SP];
    struct pnode *n;
    struct dvec *d, *vecs = NULL, *lv = NULL, *end, *vv;