return c->values[idx].f;
}
+/* Returns a pointer to the `double' in the `union value' in C for variable V.
+ The caller is allowed to modify the returned data.
+
+ Case C must be drawn from V's dictionary and must not be shared. */
+double *
+case_num_rw (struct ccase *c, const struct variable *v)
+{
+ assert_variable_matches_case (c, v);
+ assert (!case_is_shared (c));
+ return &c->values[var_get_case_index (v)].f;
+}
+
+/* Returns a pointer to the `double' in the `union value' in C numbered IDX.
+ The caller is allowed to modify the returned data.
+
+ Case C must not be shared. */
+double *
+case_num_rw_idx (struct ccase *c, size_t idx)
+{
+ assert (!case_is_shared (c));
+ return &c->values[idx].f;
+}
+
/* Returns the string value of the `union value' in C for
variable V. Case C must be drawn from V's dictionary. The
caller must not modify the return value.
return c->values[idx].s;
}
+/* Returns a substring for the `union value' in C for variable V. Case C must
+ be drawn from V's dictionary. */
+struct substring
+case_ss (const struct ccase *c, const struct variable *v)
+{
+ assert_variable_matches_case (c, v);
+ return ss_buffer (CHAR_CAST (char *, c->values[var_get_case_index (v)].s),
+ var_get_width (v));
+}
+
+/* Returns a substring for the `union value' in C numbered IDX. WIDTH must be
+ the value's width. */
+struct substring
+case_ss_idx (const struct ccase *c, size_t width, size_t idx)
+{
+ assert (width > 0);
+ assert (idx < c->proto->n_widths);
+ return ss_buffer (CHAR_CAST (char *, c->values[idx].s), width);
+}
+
/* Returns the string value of the `union value' in C for
variable V. Case C must be drawn from V's dictionary. The
caller may modify the return value.
{
size_t i;
- for (i = n_values; i-- != 0; )
+ for (i = n_values; i-- != 0;)
value_copy (&dst->values[dst_idx + i], &src->values[src_idx + i],
caseproto_get_width (dst->proto, dst_idx + i));
}