1 /* PSPP - computes sample statistics.
2 Copyright (C) 2004, 2007 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful, but
10 WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
29 /* A count of cases or the index of a case within a collection of
31 #define CASENUMBER_MAX LONG_MAX
32 typedef long int casenumber;
34 /* Opaque structure that represents a case. Use accessor
35 functions instead of accessing any members directly. Use
36 case_move() or case_clone() instead of copying. */
39 struct case_data *case_data; /* Actual data. */
42 void case_nullify (struct ccase *);
43 bool case_is_null (const struct ccase *);
45 void case_create (struct ccase *, size_t value_cnt);
46 void case_clone (struct ccase *, const struct ccase *);
47 void case_move (struct ccase *, struct ccase *);
48 void case_destroy (struct ccase *);
50 size_t case_get_value_cnt (const struct ccase *);
52 void case_resize (struct ccase *, size_t new_cnt);
53 void case_swap (struct ccase *, struct ccase *);
55 bool case_try_create (struct ccase *, size_t value_cnt);
56 bool case_try_clone (struct ccase *, const struct ccase *);
58 void case_copy (struct ccase *dst, size_t dst_idx,
59 const struct ccase *src, size_t src_idx,
62 void case_copy_out (const struct ccase *,
63 size_t start_idx, union value *, size_t value_cnt);
64 void case_copy_in (struct ccase *,
65 size_t start_idx, const union value *, size_t value_cnt);
67 const union value *case_data (const struct ccase *, const struct variable *);
68 double case_num (const struct ccase *, const struct variable *);
69 const char *case_str (const struct ccase *, const struct variable *);
70 union value *case_data_rw (struct ccase *, const struct variable *);
72 const union value *case_data_idx (const struct ccase *, size_t idx);
73 double case_num_idx (const struct ccase *, size_t idx);
74 const char *case_str_idx (const struct ccase *, size_t idx);
75 union value *case_data_rw_idx (struct ccase *, size_t idx);
77 int case_compare (const struct ccase *, const struct ccase *,
78 const struct variable *const *, size_t var_cnt);
79 int case_compare_2dict (const struct ccase *, const struct ccase *,
80 const struct variable *const *,
81 const struct variable *const *,
84 const union value *case_data_all (const struct ccase *);
85 union value *case_data_all_rw (struct ccase *);