X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Fmath%2Fmoments.c;h=545c9644399a9501765455cfc99505be30e8d460;hb=fdfc624414c149b2b4f20a6f8bf080b4f2ffb195;hp=a5be12e9cd0d53a108cd91ea98b3d85bd6daf4f3;hpb=9f087e7aa4cdff1d5d46d5e188c0017a9d2d0029;p=pspp

diff --git a/src/math/moments.c b/src/math/moments.c
index a5be12e9cd..545c964439 100644
--- a/src/math/moments.c
+++ b/src/math/moments.c
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1997-9, 2000, 2010 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
@@ -20,6 +20,7 @@
 #include <math.h>
 #include <stdlib.h>
 #include <libpspp/misc.h>
+#include <data/val-type.h>
 #include <data/value.h>
 
 #include "xalloc.h"
@@ -48,13 +49,13 @@ calc_moments (enum moment max_moment,
 
       /* From _SPSS Statistical Algorithms, 2nd ed.,
          0-918469-89-9, section "DESCRIPTIVES". */
-      if (fabs (*variance) >= 1e-20)
+      if (fabs (s2) >= 1e-20)
         {
           if (max_moment >= MOMENT_SKEWNESS && skewness != NULL && w > 2.)
             {
               double s3 = s2 * sqrt (s2);
               double g1 = (w * d3) / ((w - 1.0) * (w - 2.0) * s3);
-              if (finite (g1))
+              if (isfinite (g1))
                 *skewness = g1;
             }
           if (max_moment >= MOMENT_KURTOSIS && kurtosis != NULL && w > 3.)
@@ -62,7 +63,7 @@ calc_moments (enum moment max_moment,
               double den = (w - 2.) * (w - 3.) * pow2 (s2);
               double g2 = (w * (w + 1) * d4 / (w - 1.) / den
                            - 3. * pow2 (d2) / den);
-              if (finite (g2))
+              if (isfinite (g2))
                 *kurtosis = g2;
             }
         }