-/* PSPP - computes sample statistics.
- Copyright (C) 2007 Free Software Foundation, Inc.
+/* PSPP - a program for statistical analysis.
+ Copyright (C) 2007, 2010 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Case initializer.
The procedure code has to resize cases provided by the active
- file data source, to provide room for any other variables that
+ dataset data source, to provide room for any other variables that
should go in the case, fill in the values of "left" variables,
and initialize the values of other non-left variable to zero
or spaces. Then, when we're done with that case, we have to
save the values of "left" variables to copy into the next case
- read from the active file.
+ read from the active dataset.
- The caseinit code helps with this. */
+ The caseinit data structure provides a little help for
+ tracking what data to initialize or to copy from case to
+ case. */
#ifndef DATA_CASEINIT_H
#define DATA_CASEINIT_H 1
struct dictionary;
struct ccase;
+/* Creation and destruction. */
struct caseinit *caseinit_create (void);
+struct caseinit *caseinit_clone (struct caseinit *);
void caseinit_clear (struct caseinit *);
void caseinit_destroy (struct caseinit *);
+/* Track data to be initialized. */
void caseinit_mark_as_preinited (struct caseinit *, const struct dictionary *);
void caseinit_mark_for_init (struct caseinit *, const struct dictionary *);
-void caseinit_init_reinit_vars (const struct caseinit *, struct ccase *);
-void caseinit_init_left_vars (const struct caseinit *, struct ccase *);
+/* Initialize data and copy data from case to case. */
+void caseinit_init_vars (const struct caseinit *, struct ccase *);
void caseinit_update_left_vars (struct caseinit *, const struct ccase *);
#endif /* data/caseinit.h */