/* PSPP - a program for statistical analysis.
- Copyright (C) 2004, 2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2008, 2009, 2011 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <config.h>
-#include <output/charts/np-plot.h>
+#include "output/charts/np-plot.h"
#include <gsl/gsl_cdf.h>
-#include <data/casereader.h>
-#include <libpspp/cast.h>
-#include <math/np.h>
-#include <output/chart-item-provider.h>
+#include "data/casereader.h"
+#include "libpspp/cast.h"
+#include "math/np.h"
+#include "output/chart-item-provider.h"
#include "gl/minmax.h"
{
struct np_plot_chart *npp;
- if (np->n < 1.0)
+ if (np->n <= 1.0)
return NULL;
- npp = xmalloc (sizeof *npp);
+ npp = xzalloc (sizeof *npp);
chart_item_init (&npp->chart_item, &np_plot_chart_class, label);
npp->data = casereader_clone (reader);
npp->y_min = np->y_min;
{
struct np_plot_chart *npp = to_np_plot_chart (chart_item);
casereader_destroy (npp->data);
- free (npp->label);
free (npp);
}