X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Flevene.c;h=f7e269991346cd0c6cb076eacec04bcbbd62590c;hb=49add7c2b9bc18169182b2aa5c557b2512712a03;hp=4a9f130734dcceb18988182ea02b777983b77cb4;hpb=43b1296aafe7582e7dbe6c2b6a8b478d7d9b0fcf;p=pspp-builds.git

diff --git a/src/math/levene.c b/src/math/levene.c
index 4a9f1307..f7e26999 100644
--- a/src/math/levene.c
+++ b/src/math/levene.c
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2004 Free Software Foundation, Inc.
+   Copyright (C) 2004, 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
@@ -25,13 +25,14 @@
 #include <libpspp/str.h>
 #include <data/variable.h>
 #include <data/procedure.h>
-#include <libpspp/alloc.h>
 #include <libpspp/misc.h>
 #include "group.h"
 
 #include <math.h>
 #include <stdlib.h>
 
+#include "xalloc.h"
+
 
 /* This module calculates the Levene statistic for variables.
 
@@ -117,7 +118,7 @@ levene(const struct dictionary *dict,
        enum mv_class exclude)
 {
   struct casereader *pass1, *pass2;
-  struct ccase c;
+  struct ccase *c;
   struct levene_info l;
 
   l.n_dep      = n_dep;
@@ -130,14 +131,14 @@ levene(const struct dictionary *dict,
   casereader_split (reader, &pass1, &pass2);
 
   levene_precalc (&l);
-  for (; casereader_read (pass1, &c); case_destroy (&c))
-    levene_calc (dict, &c, &l);
+  for (; (c = casereader_read (pass1)) != NULL; case_unref (c))
+    levene_calc (dict, c, &l);
   casereader_destroy (pass1);
   levene_postcalc (&l);
 
   levene2_precalc(&l);
-  for (; casereader_read (pass2, &c); case_destroy (&c))
-    levene2_calc (dict, &c, &l);
+  for (; (c = casereader_read (pass2)) != NULL; case_unref (c))
+    levene2_calc (dict, c, &l);
   casereader_destroy (pass2);
   levene2_postcalc (&l);
 
@@ -245,9 +246,7 @@ levene2_precalc (struct levene_info *l)
       struct hsh_table *hash = group_proc_get (var)->group_hash;
 
 
-      for(g = (struct group_statistics *) hsh_first(hash,&hi);
-	  g != 0 ;
-	  g = (struct group_statistics *) hsh_next(hash,&hi) )
+      for (g = hsh_first(hash,&hi); g != 0; g = hsh_next(hash, &hi))
 	{
 	  g->lz_mean = g->lz_total / g->n ;
 	}
@@ -307,9 +306,7 @@ levene2_postcalc (struct levene_info *l)
       struct group_proc *gp = group_proc_get (var);
       struct hsh_table *hash = gp->group_hash;
 
-      for(g = (struct group_statistics *) hsh_first(hash,&hi);
-	  g != 0 ;
-	  g = (struct group_statistics *) hsh_next(hash,&hi) )
+      for (g = hsh_first(hash, &hi); g != 0; g = hsh_next(hash, &hi))
 	{
 	  lz_numerator += g->n * pow2(g->lz_mean - l->lz[v].grand_mean );
 	}