usr.bin/ministat/ministat.c

277 	struct plot *pl;
279 	pl = &plot;
280 	pl->width = width;
281 	pl->height = 0;
282 	pl->data = NULL;
283 	pl->bar = NULL;
284 	pl->separate_bars = separate;
285 	pl->num_datasets = num_datasets;
286 	pl->min = 999e99;
287 	pl->max = -999e99;
293 	struct plot *pl;
295 	pl = &plot;
296 	if (a < pl->min)
297 		pl->min = a;
298 	if (a > pl->max)
299 		pl->max = a;
300 	pl->span = pl->max - pl->min;
301 	pl->dx = pl->span / (pl->width - 1.0);
302 	pl->x0 = pl->min - .5 * pl->dx;
317 	struct plot *pl;
322 	pl = &plot;
323 	if (pl->span == 0)
326 	if (pl->separate_bars)
331 	if (pl->bar == NULL) {
332 		pl->bar = malloc(sizeof(char *) * pl->num_datasets);
333 		memset(pl->bar, 0, sizeof(char*) * pl->num_datasets);
335 	if (pl->bar[bar] == NULL) {
336 		pl->bar[bar] = malloc(pl->width);
337 		memset(pl->bar[bar], 0, pl->width);
344 		x = (ds->points[n] - pl->x0) / pl->dx;
355 	if (m > pl->height) {
356 		pl->data = realloc(pl->data, pl->width * m);
357 		memset(pl->data + pl->height * pl->width, 0,
358 		    (m - pl->height) * pl->width);
360 	pl->height = m;
363 		x = (ds->points[n] - pl->x0) / pl->dx;
370 		pl->data[j * pl->width + x] |= val;
373 		x = ((Avg(ds) - Stddev(ds)) - pl->x0) / pl->dx;
374 		m = ((Avg(ds) + Stddev(ds)) - pl->x0) / pl->dx;
375 		pl->bar[bar][m] = '|';
376 		pl->bar[bar][x] = '|';
378 			if (pl->bar[bar][i] == 0)
379 				pl->bar[bar][i] = '_';
381 	x = (Median(ds) - pl->x0) / pl->dx;
382 	pl->bar[bar][x] = 'M';
383 	x = (Avg(ds) - pl->x0) / pl->dx;
384 	pl->bar[bar][x] = 'A';
390 	struct plot *pl;
393 	pl = &plot;
394 	if (pl->span == 0) {
400 	for (i = 0; i < pl->width; i++)
404 	for (i = 1; i < pl->height; i++) {
406 		for (j = 0; j < pl->width; j++) {
407 			k = pl->data[(pl->height - i) * pl->width + j];
416 	for (i = 0; i < pl->num_datasets; i++) {
417 		if (pl->bar[i] == NULL)
420 		for (j = 0; j < pl->width; j++) {
421 			k = pl->bar[i][j];
430 	for (i = 0; i < pl->width; i++)