X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fcaseinit.h;h=ff79a947fed8e6dac0200400047b60820af17d97;hb=refs%2Fheads%2Frust;hp=3c849805a69a8fc2c518f5e9d13264fa1412507c;hpb=5da5a98055ad574120c3e3922af097411a0dcf3a;p=pspp diff --git a/src/data/caseinit.h b/src/data/caseinit.h index 3c849805a6..ff79a947fe 100644 --- a/src/data/caseinit.h +++ b/src/data/caseinit.h @@ -1,30 +1,28 @@ -/* 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 . */ /* 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 data structure provides a little help for tracking what data to initialize or to copy from case to @@ -33,11 +31,13 @@ #ifndef DATA_CASEINIT_H #define DATA_CASEINIT_H 1 +struct caseproto; 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 *); @@ -47,6 +47,12 @@ void caseinit_mark_for_init (struct caseinit *, const struct dictionary *); /* 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 *); +void caseinit_save_left_vars (struct caseinit *, const struct ccase *); +void caseinit_restore_left_vars (struct caseinit *, struct ccase *); + +/* Translate. */ +struct casereader *caseinit_translate_casereader_to_init_vars ( + struct caseinit *, const struct caseproto *output_proto, + struct casereader *); #endif /* data/caseinit.h */