X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=inline;f=src%2Fmath%2Fgroup.h;h=c5470b2578f2a1948e66a1ca6e6ae220d1616ecb;hb=d8ffe656444590f1199f62ac3ebdb9b7692923c2;hp=6d4691e7b74f003ab2079e589c0797d3f1acd410;hpb=f5c108becd49d78f4898cab11352291f5689d24e;p=pspp
diff --git a/src/math/group.h b/src/math/group.h
index 6d4691e7b7..c5470b2578 100644
--- a/src/math/group.h
+++ b/src/math/group.h
@@ -1,29 +1,25 @@
-/* PSPP - computes sample statistics.
+/* PSPP - a program for statistical analysis.
Copyright (C) 2004 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 2 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 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.
+ 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 . */
#ifndef GROUP_H
#define GROUP_H
-
#include
-
/* Statistics for grouped data */
struct group_statistics
{
@@ -66,24 +62,22 @@ struct group_statistics
/* min and max values */
double minimum ;
double maximum ;
-
-
};
-
+struct variable ;
/* These funcs are useful for hash tables */
/* Return -1 if the id of a is less than b; +1 if greater than and
0 if equal */
-int compare_group(const struct group_statistics *a,
- const struct group_statistics *b,
- int width);
+int compare_group (const void *a,
+ const void *b,
+ const void *var);
-unsigned hash_group(const struct group_statistics *g, int width);
+unsigned int hash_group (const void *g, const void *var);
-void free_group(struct group_statistics *v, void *aux);
+void free_group (struct group_statistics *v, void *aux);