#include "output/charts/boxplot.h"
#include "math/box-whisker.h"
-#include "output/chart-item-provider.h"
+#include "output/chart-provider.h"
struct boxplot *
boxplot_create (double y_min, double y_max, const char *title)
{
+ if (y_min >= y_max)
+ return NULL;
struct boxplot *boxplot = xmalloc (sizeof *boxplot);
- chart_item_init (&boxplot->chart_item, &boxplot_class, title);
+ chart_init (&boxplot->chart, &boxplot_class, title);
boxplot->y_min = y_min;
boxplot->y_max = y_max;
boxplot->boxes = NULL;
boxplot_add_box (struct boxplot *boxplot,
struct box_whisker *bw, const char *label)
{
+ if (boxplot == NULL)
+ {
+ struct statistic *statistic = &bw->parent.parent;
+ statistic->destroy (statistic);
+ return;
+ }
+
struct boxplot_box *box;
if (boxplot->n_boxes >= boxplot->boxes_allocated)
boxplot->boxes = x2nrealloc (boxplot->boxes, &boxplot->boxes_allocated,
}
static void
-boxplot_chart_destroy (struct chart_item *chart_item)
+boxplot_chart_destroy (struct chart *chart)
{
- struct boxplot *boxplot = to_boxplot (chart_item);
+ struct boxplot *boxplot = to_boxplot (chart);
+ if (boxplot == NULL)
+ return;
+
size_t i;
for (i = 0; i < boxplot->n_boxes; i++)
free (boxplot);
}
-const struct chart_item_class boxplot_class =
+const struct chart_class boxplot_class =
{
boxplot_chart_destroy
};