X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fcontrol%2Floop.c;h=f5d205d4303e864bf2a6203c3f6bc5792bed1657;hb=8dfe93d6dde6f5a500c5c4f0dccb067fe647904c;hp=5a2417131e49dd3b7ff1a24d2dd90da7b5a9071e;hpb=f5c108becd49d78f4898cab11352291f5689d24e;p=pspp
diff --git a/src/language/control/loop.c b/src/language/control/loop.c
index 5a2417131e..f5d205d430 100644
--- a/src/language/control/loop.c
+++ b/src/language/control/loop.c
@@ -1,24 +1,23 @@
-/* PSPP - computes sample statistics.
- Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
+/* PSPP - a program for statistical analysis.
+ Copyright (C) 1997-9, 2000, 2009 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 . */
#include
#include "control-stack.h"
+
#include
#include
#include
@@ -28,13 +27,14 @@
#include
#include
#include
-#include
#include
#include
#include
#include
#include
+#include "xalloc.h"
+
#include "gettext.h"
#define _(msgid) gettext (msgid)
@@ -181,7 +181,7 @@ close_loop (void *loop_)
&& loop->index_var == NULL
&& loop->loop_condition == NULL
&& loop->end_loop_condition == NULL)
- loop->max_pass_count = get_mxloops ();
+ loop->max_pass_count = settings_get_mxloops ();
}
/* Parses an IF clause for LOOP or END LOOP and stores the
@@ -304,24 +304,26 @@ loop_trns_finalize (void *do_if_ UNUSED)
/* Sets up LOOP for the first pass. */
static int
-loop_trns_proc (void *loop_, struct ccase *c, casenumber case_num)
+loop_trns_proc (void *loop_, struct ccase **c, casenumber case_num)
{
struct loop_trns *loop = loop_;
if (loop->index_var != NULL)
{
/* Evaluate loop index expressions. */
- loop->cur = expr_evaluate_num (loop->first_expr, c, case_num);
+ loop->cur = expr_evaluate_num (loop->first_expr, *c, case_num);
if (loop->by_expr != NULL)
- loop->by = expr_evaluate_num (loop->by_expr, c, case_num);
- loop->last = expr_evaluate_num (loop->last_expr, c, case_num);
+ loop->by = expr_evaluate_num (loop->by_expr, *c, case_num);
+ loop->last = expr_evaluate_num (loop->last_expr, *c, case_num);
/* Even if the loop is never entered, set the index
variable to the initial value. */
- case_data_rw (c, loop->index_var)->f = loop->cur;
+ *c = case_unshare (*c);
+ case_data_rw (*c, loop->index_var)->f = loop->cur;
/* Throw out pathological cases. */
- if (!finite (loop->cur) || !finite (loop->by) || !finite (loop->last)
+ if (!isfinite (loop->cur) || !isfinite (loop->by)
+ || !isfinite (loop->last)
|| loop->by == 0.0
|| (loop->by > 0.0 && loop->cur > loop->last)
|| (loop->by < 0.0 && loop->cur < loop->last))
@@ -335,7 +337,7 @@ loop_trns_proc (void *loop_, struct ccase *c, casenumber case_num)
/* Check condition. */
if (loop->loop_condition != NULL
- && expr_evaluate_num (loop->loop_condition, c, case_num) != 1.0)
+ && expr_evaluate_num (loop->loop_condition, *c, case_num) != 1.0)
goto zero_pass;
return loop->past_LOOP_index;
@@ -356,12 +358,12 @@ loop_trns_free (void *loop_)
/* Finishes a pass through the loop and starts the next. */
static int
-end_loop_trns_proc (void *loop_, struct ccase *c, casenumber case_num UNUSED)
+end_loop_trns_proc (void *loop_, struct ccase **c, casenumber case_num UNUSED)
{
struct loop_trns *loop = loop_;
if (loop->end_loop_condition != NULL
- && expr_evaluate_num (loop->end_loop_condition, c, case_num) != 0.0)
+ && expr_evaluate_num (loop->end_loop_condition, *c, case_num) != 0.0)
goto break_out;
/* MXLOOPS limiter. */
@@ -379,11 +381,12 @@ end_loop_trns_proc (void *loop_, struct ccase *c, casenumber case_num UNUSED)
if ((loop->by > 0.0 && loop->cur > loop->last)
|| (loop->by < 0.0 && loop->cur < loop->last))
goto break_out;
- case_data_rw (c, loop->index_var)->f = loop->cur;
+ *c = case_unshare (*c);
+ case_data_rw (*c, loop->index_var)->f = loop->cur;
}
if (loop->loop_condition != NULL
- && expr_evaluate_num (loop->loop_condition, c, case_num) != 1.0)
+ && expr_evaluate_num (loop->loop_condition, *c, case_num) != 1.0)
goto break_out;
return loop->past_LOOP_index;
@@ -394,7 +397,8 @@ end_loop_trns_proc (void *loop_, struct ccase *c, casenumber case_num UNUSED)
/* Executes BREAK. */
static int
-break_trns_proc (void *loop_, struct ccase *c UNUSED, casenumber case_num UNUSED)
+break_trns_proc (void *loop_, struct ccase **c UNUSED,
+ casenumber case_num UNUSED)
{
struct loop_trns *loop = loop_;