1 /* PSPP - computes sample statistics.
2 Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
3 Written by John Darrington <john@darrington.wattle.id.au>
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 /* Return -1 if the id of a is less than b; +1 if greater than and
28 compare_group(const struct group_statistics *a,
29 const struct group_statistics *b,
32 return compare_values(&a->id, &b->id, width);
37 hash_group(const struct group_statistics *g, int width)
42 id_hash = hsh_hash_double (g->id.f);
44 id_hash = hsh_hash_bytes (g->id.s, width);
51 free_group(struct group_statistics *v, void *aux)