Implemented the NPAR TESTS command.

[pspp] / src / language / stats / freq.c

diff --git a/src/language/stats/freq.c b/src/language/stats/freq.c
new file mode 100644 (file)
index 0000000..9ecc379
--- /dev/null
+++ b/src/language/stats/freq.c
@@ -0,0 +1,61 @@
+/* PSPP - computes sample statistics.
+   Copyright (C) 2006 Free Software Foundation, Inc.
+   Written by John Darrington <john@darrington.wattle.id.au>
+
+   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 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. */
+
+#include <config.h>
+#include <data/variable.h>
+#include <data/value.h>
+#include <libpspp/compiler.h>
+
+#include <stdlib.h>
+
+#include "freq.h"
+
+int 
+compare_freq ( const void *_f1, const void *_f2, const void *_var)
+{
+  const struct freq *f1 = _f1;
+  const struct freq *f2 = _f2;
+  const struct variable *var = _var;
+
+  return  compare_values (f1->value, f2->value, var_get_width (var) );
+}
+
+unsigned int
+hash_freq (const void *_f, const void *_var)
+{
+  const struct freq *f = _f;
+  const struct variable *var  = _var;
+
+  return hash_value (f->value, var_get_width (var));
+}
+
+/* Free function to be used on FR whose value parameter has been copied */
+void 
+free_freq_mutable_hash (void *fr, const void *var UNUSED)
+{
+  struct freq_mutable *freq = fr;
+  free (freq->value);
+  free (freq);
+}
+
+void 
+free_freq_hash (void *fr, const void *var UNUSED)
+{
+  free (fr);
+}