X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fvalue.h;h=b7a7ee701f8ae31f695e35629ca26b562b853842;hb=51d8c9b54d65bd0aa3944b8fb9d4460875048e14;hp=97d07b4632ed972e009b94a965ec9900e1eb9b14;hpb=a486e7cbf4f95d19bb208796e4c92a040cf48f65;p=pspp-builds.git

diff --git a/src/data/value.h b/src/data/value.h
index 97d07b46..b7a7ee70 100644
--- a/src/data/value.h
+++ b/src/data/value.h
@@ -1,28 +1,26 @@
-/* PSPP - computes sample statistics.
+/* PSPP - a program for statistical analysis.
    Copyright (C) 1997-9, 2000 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/>. */
 
 #if !value_h
 #define value_h 1
 
 #include <float.h>
+#include <libpspp/float-format.h>
 #include <libpspp/misc.h>
 #include "minmax.h"
-#include <config.h>
 
 /* Values. */
 
@@ -35,9 +33,17 @@
 
 /* Special values. */
 #define SYSMIS (-DBL_MAX)
-#define LOWEST second_lowest_value
+#define LOWEST (float_get_lowest ())
 #define HIGHEST DBL_MAX
 
+/* Number of "union value"s required for a variable of the given
+   WIDTH. */
+static inline size_t
+value_cnt_from_width (int width)
+{
+  return width == 0 ? 1 : DIV_RND_UP (width, MAX_SHORT_STRING);
+}
+
 /* A numeric or short string value.
    Multiple consecutive values represent a long string. */
 union value
@@ -47,7 +53,12 @@ union value
   };
 
 union value *value_dup (const union value *, int width);
+union value *value_create (int width);
+
 int compare_values (const union value *, const union value *, int width);
 unsigned hash_value (const union value  *, int width);
 
+void value_copy (union value *, const union value *, int width);
+void value_set_missing (union value *, int width);
+
 #endif /* !value.h */