1 /* PSPP - computes sample statistics.
2 Copyright (C) 2005 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
20 #define missing_values_h 1
25 /* Types of user-missing values.
26 Invisible--use access functions defined below instead. */
29 MV_NONE = 0, /* No user-missing values. */
30 MV_1 = 1, /* One user-missing value. */
31 MV_2 = 2, /* Two user-missing values. */
32 MV_3 = 3, /* Three user-missing values. */
33 MV_RANGE = 4, /* A range of user-missing values. */
34 MV_RANGE_1 = 5 /* A range plus an individual value. */
38 Opaque--use access functions defined below. */
41 unsigned type; /* Number and type of missing values. */
42 int width; /* 0=numeric, otherwise string width. */
43 union value values[3]; /* Missing values. [y,z] are the range. */
47 void mv_init (struct missing_values *, int width);
48 void mv_set_type(struct missing_values *mv, enum mv_type type);
50 void mv_copy (struct missing_values *, const struct missing_values *);
51 bool mv_is_empty (const struct missing_values *);
52 int mv_get_width (const struct missing_values *);
54 bool mv_add_value (struct missing_values *, const union value *);
55 bool mv_add_str (struct missing_values *, const char[]);
56 bool mv_add_num (struct missing_values *, double);
57 bool mv_add_num_range (struct missing_values *, double low, double high);
59 bool mv_has_value (const struct missing_values *);
60 void mv_pop_value (struct missing_values *, union value *);
61 void mv_peek_value (const struct missing_values *mv, union value *v, int idx);
62 void mv_replace_value (struct missing_values *mv, const union value *v, int idx);
64 int mv_n_values (const struct missing_values *mv);
67 bool mv_has_range (const struct missing_values *);
68 void mv_pop_range (struct missing_values *, double *low, double *high);
69 void mv_peek_range (const struct missing_values *, double *low, double *high);
71 bool mv_is_resizable (const struct missing_values *, int width);
72 void mv_resize (struct missing_values *, int width);
74 typedef bool mv_is_missing_func (const struct missing_values *,
77 /* Is a value system or user missing? */
78 bool mv_is_value_missing (const struct missing_values *, const union value *);
79 bool mv_is_num_missing (const struct missing_values *, double);
80 bool mv_is_str_missing (const struct missing_values *, const char[]);
82 /* Is a value user missing? */
83 bool mv_is_value_user_missing (const struct missing_values *,
85 bool mv_is_num_user_missing (const struct missing_values *, double);
86 bool mv_is_str_user_missing (const struct missing_values *, const char[]);
88 /* Is a value system missing? */
89 bool mv_is_value_system_missing (const struct missing_values *,
92 #endif /* missing-values.h */