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hist: improve output and style of plot

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This commit is contained in:
Steffen Vogel 2017-05-05 22:27:50 +00:00
parent c711f0f1bc
commit cb91a6dc0b
1 changed files with 16 additions and 8 deletions
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24
lib/hist.c
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@ -135,12 +135,15 @@ double hist_stddev(struct hist *h)
void hist_print(struct hist *h, int details)
{ INDENT
if (h->length > 0) {
if (h->total > 0) {
hist_cnt_t missed = h->total - h->higher - h->lower;
stats("Counted values: %ju (%ju between %f and %f)", h->total, missed, h->low, h->high);
stats("Highest: %f Lowest: %f", h->highest, h->lowest);
stats("Mu: %f Sigma2: %f Sigma: %f", hist_mean(h), hist_var(h), hist_stddev(h));
stats("Highest: %f", h->highest);
stats("Lowest: %f", h->lowest);
stats("Mu: %f", hist_mean(h));
stats("Variance: %f", hist_var(h));
stats("Stddev: %f", hist_stddev(h));
if (details > 0 && h->total - h->higher - h->lower > 0) {
char *buf = hist_dump(h);
@ -156,9 +159,6 @@ void hist_print(struct hist *h, int details)
void hist_plot(struct hist *h)
{
char buf[HIST_HEIGHT];
memset(buf, '#', sizeof(buf));
hist_cnt_t max = 1;
/* Get highest bar */
@ -176,9 +176,17 @@ void hist_plot(struct hist *h)
hist_cnt_t cnt = h->data[i];
int bar = HIST_HEIGHT * ((double) cnt / max);
if (value >= h->lowest || value <= h->highest)
stats("%+9g | %5ju | %.*s", value, cnt, bar, buf);
char *buf = 0;
buf = strcatf(&buf, "%+9.3g | %5ju | ", value, cnt);
for (int i = 0; i < bar; i++)
buf = strcatf(&buf, "\u2588");
stats(buf);
free(buf);
}
line();
}
char * hist_dump(struct hist *h)