-#include "gettext.h"
-#define _(msgid) gettext (msgid)
-#define N_(msgid) msgid
-
-#include <libpspp/assertion.h>
-#include <data/val-type.h>
-#include <gl/xalloc.h>
-#include <data/variable.h>
-#include <data/casereader.h>
-
-
-const char *const ptile_alg_desc[] = {
- "",
- N_("HAverage"),
- N_("Weighted Average"),
- N_("Rounded"),
- N_("Empirical"),
- N_("Empirical with averaging")
-};
-
+#include "data/casereader.h"
+#include "data/val-type.h"
+#include "data/variable.h"
+#include "libpspp/assertion.h"
+#include "libpspp/cast.h"
+#include "math/order-stats.h"