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[pspp-builds.git] / src / math / order-stats.h

diff --git a/src/math/order-stats.h b/src/math/order-stats.h
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+/* PSPP - a program for statistical analysis.
+   Copyright (C) 2004, 2008 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
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef __ORDER_STATS_H__
+#define __ORDER_STATS_H__
+
+#include <stddef.h>
+#include <math/statistic.h>
+
+struct casereader;
+struct variable;
+
+/*
+  cc <= tc < cc_p1
+*/
+struct k
+{
+  double tc;
+  double cc;
+  double cc_p1;
+  double c;
+  double c_p1;
+  double y;
+  double y_p1;
+};
+
+
+struct order_stats
+{
+  struct statistic parent;
+  int n_k;
+  struct k *k;
+
+  double cc;
+};
+
+enum mv_class;
+
+void order_stats_dump (const struct order_stats *os);
+
+void order_stats_accumulate (struct order_stats **ptl, size_t nos,
+                            struct casereader *reader,
+                            const struct variable *wv,
+                            const struct variable *var,
+                            enum mv_class exclude);
+
+#endif