refactor

[pspp] / src / math / levene.h

diff --git a/src/math/levene.h b/src/math/levene.h
index ba7dea5d39864dc1e4ba2bf9b029be0b51e48cbe..4351ee092a127db7c1e9a82d562dc94eec1c6e1c 100644 (file)
--- a/src/math/levene.h
+++ b/src/math/levene.h
@@ -1,49 +1,34 @@
-/* This file is part of GNU PSPP 
-   Computes Levene test  statistic.
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 2004, 2011 Free Software Foundation, Inc.
 
-   Copyright (C) 2004 Free Software Foundation, Inc.
-   Written by John Darrington <john@darrington.wattle.id.au>
+   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 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 2 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.
+   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, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301, USA. */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 #if !levene_h
 #define levene_h 1
 
+struct nl;
 
-#include <data/variable.h>
-#include <data/casefile.h>
-
-/* Calculate the Levene statistic 
-
-The independent variable :   v_indep; 
-
-Number of dependent variables :   n_dep;
-
-The dependent variables :   v_dep;
-
-*/
-
+union value;
 
-struct dictionary ;
-struct casefilter ;
+struct levene *levene_create (int indep_width, const union value *cutpoint);
 
-void  levene(const struct dictionary *dict, const struct casefile *cf, 
-            struct variable *v_indep, size_t n_dep, struct variable **v_dep,
-            struct casefilter *filter);
+void levene_pass_one (struct levene *, double value, double weight, const union value *gv);
+void levene_pass_two (struct levene *, double value, double weight, const union value *gv);
+void levene_pass_three (struct levene *, double value, double weight, const union value *gv);
 
+double levene_calculate (struct levene*);
 
+void levene_destroy (struct levene*);
 
-#endif /* levene_h */
+#endif