1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 2009, 2011 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19 #include "output/charts/scree.h"
21 #include "output/chart-item-provider.h"
23 #include "gl/xalloc.h"
26 #define _(msgid) gettext (msgid)
29 scree_create (const gsl_vector *eigenvalues, const char *xlabel)
31 struct scree *rc = xmalloc (sizeof *rc);
32 chart_item_init (&rc->chart_item, &scree_class, NULL);
34 rc->eval = gsl_vector_alloc (eigenvalues->size);
35 gsl_vector_memcpy (rc->eval, eigenvalues);
37 rc->xlabel = xstrdup (xlabel);
43 scree_destroy (struct chart_item *chart_item)
45 struct scree *rc = to_scree (chart_item);
47 gsl_vector_free (rc->eval);
52 const struct chart_item_class scree_class =