Fixed bug reporting the significance of paired value t-test.

[pspp-builds.git] / src / math / ts / innovations.c

diff --git a/src/math/ts/innovations.c b/src/math/ts/innovations.c
index f69cf89874c530564f7a2182d46915939dd6a19a..553e20e8f7953a879595c3ddb0dce2e0e715b1dc 100644 (file)
--- a/src/math/ts/innovations.c
+++ b/src/math/ts/innovations.c
@@ -28,13 +28,13 @@
 #include <config.h>
 #include <gsl/gsl_matrix.h>
 #include <gsl/gsl_vector.h>
-#include <gsl/gsl_math.h>
 #include <stdlib.h>
-#include <libpspp/alloc.h>
 #include <libpspp/compiler.h>
 #include <math/coefficient.h>
 #include <math/ts/innovations.h>
 
+#include "xalloc.h"
+
 static void
 get_mean (const gsl_matrix *data,
          struct innovations_estimate **est)
@@ -55,7 +55,7 @@ get_mean (const gsl_matrix *data,
       for (n = 0; n < data->size2; n++)
        {
          tmp = gsl_matrix_get (data, i, n);
-         if (!gsl_isnan (tmp))
+         if (!isnan (tmp))
            {
              est[n]->n_obs += 1.0;
              d = (tmp - est[n]->mean) / est[n]->n_obs;
@@ -76,9 +76,9 @@ update_cov (struct innovations_estimate **est, gsl_vector_const_view x,
     {
       xj = gsl_vector_get (&x.vector, j);
       yj = gsl_vector_get (&y.vector, j);
-      if (!gsl_isnan (xj))
+      if (!isnan (xj))
        {
-         if (!gsl_isnan (yj))
+         if (!isnan (yj))
            {
              xj -= est[j]->mean;
              yj -= est[j]->mean;