1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 2010 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU 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, see <http://www.gnu.org/licenses/>. */
21 #include <data/format.h>
22 #include <data/val-type.h>
33 /* Aggregation functions. */
36 SUM, MEAN, MEDIAN, SD, MAX, MIN, PGT, PLT, PIN, POUT, FGT, FLT, FIN,
37 FOUT, N, NU, NMISS, NUMISS, FIRST, LAST,
39 FUNC = 0x1f, /* Function mask. */
40 FSTRING = 1<<5, /* String function bit. */
43 /* Attributes of an aggregation function. */
46 const char *name; /* Aggregation function name. */
47 const char *description; /* Translatable string describing the function. */
48 enum agr_src_vars src_vars; /* Whether source variables are a parameter of the function */
49 size_t n_args; /* Number of arguments (not including src vars). */
50 enum val_type alpha_type; /* When given ALPHA arguments, output type. */
51 struct fmt_spec format; /* Format spec if alpha_type != ALPHA. */
54 extern const struct agr_func agr_func_tab[];