X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Flanguage%2Fxforms%2Fcompute.c;h=09fc2155abc82c0a678364301b1ea0de6b3fa9c9;hb=b7cbf7cfbfa9de06ac8017c88b602477654c79a9;hp=600a048002f506991bdbe48da3b0a1ef3c59a2a8;hpb=f5c108becd49d78f4898cab11352291f5689d24e;p=pspp-builds.git
diff --git a/src/language/xforms/compute.c b/src/language/xforms/compute.c
index 600a0480..09fc2155 100644
--- a/src/language/xforms/compute.c
+++ b/src/language/xforms/compute.c
@@ -1,23 +1,22 @@
-/* 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
#include
#include
@@ -29,12 +28,12 @@
#include
#include
#include
-#include
-#include
#include
#include
#include
+#include "xalloc.h"
+
#include "gettext.h"
#define _(msgid) gettext (msgid)
@@ -113,14 +112,17 @@ cmd_compute (struct lexer *lexer, struct dataset *ds)
/* Handle COMPUTE or IF with numeric target variable. */
static int
-compute_num (void *compute_, struct ccase *c, casenumber case_num)
+compute_num (void *compute_, struct ccase **c, casenumber case_num)
{
struct compute_trns *compute = compute_;
if (compute->test == NULL
- || expr_evaluate_num (compute->test, c, case_num) == 1.0)
- case_data_rw (c, compute->variable)->f
- = expr_evaluate_num (compute->rvalue, c, case_num);
+ || expr_evaluate_num (compute->test, *c, case_num) == 1.0)
+ {
+ *c = case_unshare (*c);
+ case_data_rw (*c, compute->variable)->f
+ = expr_evaluate_num (compute->rvalue, *c, case_num);
+ }
return TRNS_CONTINUE;
}
@@ -128,17 +130,17 @@ compute_num (void *compute_, struct ccase *c, casenumber case_num)
/* Handle COMPUTE or IF with numeric vector element target
variable. */
static int
-compute_num_vec (void *compute_, struct ccase *c, casenumber case_num)
+compute_num_vec (void *compute_, struct ccase **c, casenumber case_num)
{
struct compute_trns *compute = compute_;
if (compute->test == NULL
- || expr_evaluate_num (compute->test, c, case_num) == 1.0)
+ || expr_evaluate_num (compute->test, *c, case_num) == 1.0)
{
double index; /* Index into the vector. */
int rindx; /* Rounded index value. */
- index = expr_evaluate_num (compute->element, c, case_num);
+ index = expr_evaluate_num (compute->element, *c, case_num);
rindx = floor (index + EPSILON);
if (index == SYSMIS
|| rindx < 1 || rindx > vector_get_var_cnt (compute->vector))
@@ -153,8 +155,10 @@ compute_num_vec (void *compute_, struct ccase *c, casenumber case_num)
index, vector_get_name (compute->vector));
return TRNS_CONTINUE;
}
- case_data_rw (c, vector_get_var (compute->vector, rindx - 1))->f
- = expr_evaluate_num (compute->rvalue, c, case_num);
+
+ *c = case_unshare (*c);
+ case_data_rw (*c, vector_get_var (compute->vector, rindx - 1))->f
+ = expr_evaluate_num (compute->rvalue, *c, case_num);
}
return TRNS_CONTINUE;
@@ -162,14 +166,18 @@ compute_num_vec (void *compute_, struct ccase *c, casenumber case_num)
/* Handle COMPUTE or IF with string target variable. */
static int
-compute_str (void *compute_, struct ccase *c, casenumber case_num)
+compute_str (void *compute_, struct ccase **c, casenumber case_num)
{
struct compute_trns *compute = compute_;
if (compute->test == NULL
- || expr_evaluate_num (compute->test, c, case_num) == 1.0)
- expr_evaluate_str (compute->rvalue, c, case_num,
- case_data_rw (c, compute->variable)->s, compute->width);
+ || expr_evaluate_num (compute->test, *c, case_num) == 1.0)
+ {
+ *c = case_unshare (*c);
+ expr_evaluate_str (compute->rvalue, *c, case_num,
+ case_str_rw (*c, compute->variable),
+ compute->width);
+ }
return TRNS_CONTINUE;
}
@@ -177,18 +185,18 @@ compute_str (void *compute_, struct ccase *c, casenumber case_num)
/* Handle COMPUTE or IF with string vector element target
variable. */
static int
-compute_str_vec (void *compute_, struct ccase *c, casenumber case_num)
+compute_str_vec (void *compute_, struct ccase **c, casenumber case_num)
{
struct compute_trns *compute = compute_;
if (compute->test == NULL
- || expr_evaluate_num (compute->test, c, case_num) == 1.0)
+ || expr_evaluate_num (compute->test, *c, case_num) == 1.0)
{
double index; /* Index into the vector. */
int rindx; /* Rounded index value. */
struct variable *vr; /* Variable reference by indexed vector. */
- index = expr_evaluate_num (compute->element, c, case_num);
+ index = expr_evaluate_num (compute->element, *c, case_num);
rindx = floor (index + EPSILON);
if (index == SYSMIS)
{
@@ -206,9 +214,9 @@ compute_str_vec (void *compute_, struct ccase *c, casenumber case_num)
}
vr = vector_get_var (compute->vector, rindx - 1);
- expr_evaluate_str (compute->rvalue, c, case_num,
- case_data_rw (c, vr)->s,
- var_get_width (vr));
+ *c = case_unshare (*c);
+ expr_evaluate_str (compute->rvalue, *c, case_num,
+ case_str_rw (*c, vr), var_get_width (vr));
}
return TRNS_CONTINUE;
@@ -259,7 +267,7 @@ cmd_if (struct lexer *lexer, struct dataset *ds)
static trns_proc_func *
get_proc_func (const struct lvalue *lvalue)
{
- bool is_numeric = lvalue_get_type (lvalue) == VAR_NUMERIC;
+ bool is_numeric = lvalue_get_type (lvalue) == VAL_NUMERIC;
bool is_vector = lvalue_is_vector (lvalue);
return (is_numeric
@@ -273,7 +281,7 @@ static struct expression *
parse_rvalue (struct lexer *lexer,
const struct lvalue *lvalue, struct dataset *ds)
{
- bool is_numeric = lvalue_get_type (lvalue) == VAR_NUMERIC;
+ bool is_numeric = lvalue_get_type (lvalue) == VAL_NUMERIC;
return expr_parse (lexer, ds, is_numeric ? EXPR_NUMBER : EXPR_STRING);
}