X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fstats%2Fwilcoxon.c;h=268296d7e6ee404f2a6657d7970ec385628ff05e;hb=12212dfd8afc14405274703b511c32d362ec0ab5;hp=197124cf6025fbe001a1763360307b80d5ddbda0;hpb=844259de34f3b5ed9c1b4a024da63f96f4f2194e;p=pspp-builds.git

diff --git a/src/language/stats/wilcoxon.c b/src/language/stats/wilcoxon.c
index 197124cf..268296d7 100644
--- a/src/language/stats/wilcoxon.c
+++ b/src/language/stats/wilcoxon.c
@@ -22,8 +22,6 @@
 
 #include <gsl/gsl_cdf.h>
 #include <math.h>
-#include <signal.h>
-#include <unistd.h>
 
 #include <data/casereader.h>
 #include <data/casewriter.h>
@@ -32,15 +30,12 @@
 #include <data/procedure.h>
 #include <data/subcase.h>
 #include <data/variable.h>
-#include <gsl/gsl_cdf.h>
 #include <libpspp/assertion.h>
 #include <libpspp/message.h>
 #include <libpspp/misc.h>
 #include <math/sort.h>
 #include <math/wilcoxon-sig.h>
 #include <output/tab.h>
-#include <signal.h>
-#include <unistd.h>
 
 #include "minmax.h"
 #include "xalloc.h"
@@ -84,7 +79,7 @@ wilcoxon_execute (const struct dataset *ds,
   int i;
   bool warn = true;
   const struct dictionary *dict = dataset_dict (ds);
-  const struct two_sample_test *t2s = (struct two_sample_test *) test;
+  const struct two_sample_test *t2s = UP_CAST (test, const struct two_sample_test, parent);
 
   struct wilcoxon_state *ws = xcalloc (sizeof (*ws), t2s->n_pairs);
   const struct variable *weight = dict_get_weight (dict);