#include "gl/xalloc.h"
#include "data/variable.h"
+#include "data/settings.h"
#include "language/stats/freq.h"
}
+static int
+compare_category_by_index_3way (const void *a_, const void *b_,
+ const void *unused UNUSED)
+{
+ const struct category *const*a = a_;
+ const struct category *const*b = b_;
+
+ if ( (*a)->idx < (*b)->idx)
+ return -1;
+
+ return ((*a)->idx > (*b)->idx);
+}
+
static unsigned int
hash_freq_2level_ptr (const void *a_, const void *bc_)
{
return level0;
}
+/* Print out a textual representation of a barchart.
+ This is intended only for testing, and not as a means
+ of visualising the data.
+*/
+static void
+barchart_dump (const struct barchart *bc, FILE *fp)
+{
+ fprintf (fp, "Graphic: Barchart\n");
+ fprintf (fp, "Percentage: %d\n", bc->percent);
+ fprintf (fp, "Total Categories: %d\n", bc->n_nzcats);
+ fprintf (fp, "Primary Categories: %d\n", bc->n_pcats);
+ fprintf (fp, "Largest Category: %g\n", bc->largest);
+ fprintf (fp, "Total Count: %g\n", bc->total_count);
+
+ fprintf (fp, "Y Label: \"%s\"\n", bc->ylabel);
+
+ fprintf (fp, "Categorical Variables:\n");
+ for (int i = 0; i < bc->n_vars; ++i)
+ {
+ fprintf (fp, " Var: \"%s\"\n", var_get_name (bc->var[i]));
+ }
+
+ fprintf (fp, "Categories:\n");
+ struct category *cat;
+ struct category **cats = XCALLOC (hmap_count (&bc->primaries), struct category *);
+ int i = 0;
+ HMAP_FOR_EACH (cat, struct category, node, &bc->primaries)
+ {
+ cats[i++] = cat;
+ }
+ /* HMAP_FOR_EACH is not guaranteed to iterate in any particular order. So
+ we must sort here before we output the results. */
+ sort (cats, i, sizeof (struct category *), compare_category_by_index_3way, bc);
+ for (i = 0; i < hmap_count (&bc->primaries); ++i)
+ {
+ const struct category *c = cats[i];
+ fprintf (fp, " %d \"%s\"\n", c->idx, ds_cstr (&c->label));
+ }
+ free (cats);
+
+ if (bc->ss)
+ {
+ fprintf (fp, "Sub-categories:\n");
+ for (int i = 0; i < bc->n_nzcats / bc->n_pcats; ++i)
+ {
+ const struct category *cat = bc->ss[i];
+ fprintf (fp, " %d \"%s\"\n", cat->idx, ds_cstr(&cat->label));
+ }
+ }
+
+ fprintf (fp, "All Categories:\n");
+ for (int i = 0; i < bc->n_nzcats; ++i)
+ {
+ const struct freq *frq = bc->cats[i];
+ fprintf (fp, "Count: %g; ", frq->count);
+
+ struct string s = DS_EMPTY_INITIALIZER;
+ var_append_value_name (bc->var[0], &frq->values[0], &s);
+
+ fprintf (fp, "Cat: \"%s\"", ds_cstr (&s));
+ ds_clear (&s);
+
+ if (bc->ss)
+ {
+ var_append_value_name (bc->var[1], &frq->values[1], &s);
+ fprintf (fp, ", \"%s\"", ds_cstr (&s));
+ }
+ ds_destroy (&s);
+ fputc ('\n', fp);
+ }
+
+ fputc ('\n', fp);
+}
/* Creates and returns a chart that will render a barchart with
int width = var_get_width (var[pidx]);
- assert (n_vars >= 1);
+ assert (n_vars >= 1 && n_vars <= 2);
bar = xzalloc (sizeof *bar);
bar->percent = percent;
sort (bar->cats, bar->n_nzcats, sizeof *bar->cats,
compare_freq_2level_ptr_3way, bar);
+ if (settings_get_testing_mode ())
+ barchart_dump (bar, stdout);
+
return &bar->chart_item;
}