1 /*********************************************************************
2 Arithmetic operations on data structures.
3 This is part of GNU Astronomy Utilities (Gnuastro) package.
4 
5 Original author:
6      Mohammad Akhlaghi <mohammad@akhlaghi.org>
7 Contributing author(s):
8 Copyright (C) 2021, Free Software Foundation, Inc.
9 
10 Gnuastro is free software: you can redistribute it and/or modify it
11 under the terms of the GNU General Public License as published by the
12 Free Software Foundation, either version 3 of the License, or (at your
13 option) any later version.
14 
15 Gnuastro is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18 General Public License for more details.
19 
20 You should have received a copy of the GNU General Public License
21 along with Gnuastro. If not, see <http://www.gnu.org/licenses/>.
22 **********************************************************************/
23 #ifndef __ARITHMETIC_SET_H__
24 #define __ARITHMETIC_SET_H__
25 
26 #define GAL_ARITHMETIC_SET_PREFIX         "set-"
27 #define GAL_ARITHMETIC_SET_PREFIX_LENGTH  strlen(GAL_ARITHMETIC_SET_PREFIX)
28 
29 
30 struct gal_arithmetic_set_params
31 {
32   void               *tokens;   /* Full list of tokens.            */
33   size_t        tokencounter;   /* Counter of current token.       */
34   gal_data_t          *named;   /* List of named datasets.         */
35   void               *params;   /* Internal parameters in caller.  */
36   gal_data_t  * (*pop)(void *in_prm);  /* Function to use.         */
37   int (*used_later)(void *in_prm, char *name); /* Function to use. */
38 };
39 
40 void
41 gal_arithmetic_set_name(struct gal_arithmetic_set_params *p,
42                         char *token);
43 
44 int
45 gal_arithmetic_set_is_name(gal_data_t *named, char *token);
46 
47 gal_data_t *
48 gal_arithmetic_set_copy_named(struct gal_arithmetic_set_params *p,
49                               char *name);
50 
51 #endif
52