X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fmoments.c;h=e289e8aec0ef27c2372e2c007eeb30e6b2f6d469;hb=81579d9e9f994fb2908f50af41c3eb033d216e58;hp=d66947503379902bb04eaa81d9e6021720d9fe20;hpb=f5c108becd49d78f4898cab11352291f5689d24e;p=pspp-builds.git

diff --git a/src/math/moments.c b/src/math/moments.c
index d6694750..e289e8ae 100644
--- a/src/math/moments.c
+++ b/src/math/moments.c
@@ -1,29 +1,32 @@
-/* PSPP - computes sample statistics.
-   Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 1997-9, 2000, 2010, 2011 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 the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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 3 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.
+   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. */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 #include <config.h>
-#include "moments.h"
+
+#include "math/moments.h"
+
 #include <assert.h>
 #include <math.h>
 #include <stdlib.h>
-#include <libpspp/alloc.h>
-#include <libpspp/misc.h>
-#include <data/value.h>
+
+#include "data/val-type.h"
+#include "data/value.h"
+#include "libpspp/misc.h"
+
+#include "gl/xalloc.h"
 
 #include "gettext.h"
 #define _(msgid) gettext (msgid)
@@ -49,13 +52,13 @@ 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.)
@@ -63,7 +66,7 @@ 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;
             }
         }