X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Ftukey-hinges.c;h=22ab45210c38c98066eb4bb654663114cb496ddd;hb=6c091c8123879cb0cf385e167e468eb82ac69d2c;hp=ded7a9c6fe4233baa3172899c467e38770023b07;hpb=b46b794dfb9f0758aafec83f50993d1930894099;p=pspp-builds.git

diff --git a/src/math/tukey-hinges.c b/src/math/tukey-hinges.c
index ded7a9c6..22ab4521 100644
--- a/src/math/tukey-hinges.c
+++ b/src/math/tukey-hinges.c
@@ -20,6 +20,7 @@
 
 #include <gl/xalloc.h>
 #include <libpspp/assertion.h>
+#include <libpspp/cast.h>
 #include <math.h>
 
 void
@@ -59,7 +60,8 @@ tukey_hinges_calculate (const struct tukey_hinges *th, double hinge[3])
 static void
 destroy (struct statistic *s)
 {
-  struct order_stats *os = (struct order_stats *) s;
+  struct tukey_hinges *th = UP_CAST (s, struct tukey_hinges, parent.parent);
+  struct order_stats *os = &th->parent;
 
   free (os->k);
   free (s);