Use standard C99 isfinite, isnan, isinf in place of GSL substitutes.

[pspp] / src / math / ts / innovations.c

diff --git a/src/math/ts/innovations.c b/src/math/ts/innovations.c
index 3e3be2024711a727e8a382d48841213106c8f03e..553e20e8f7953a879595c3ddb0dce2e0e715b1dc 100644 (file)
--- a/src/math/ts/innovations.c
+++ b/src/math/ts/innovations.c
@@ -28,7 +28,6 @@
 #include <config.h>
 #include <gsl/gsl_matrix.h>
 #include <gsl/gsl_vector.h>
-#include <gsl/gsl_math.h>
 #include <stdlib.h>
 #include <libpspp/compiler.h>
 #include <math/coefficient.h>
@@ -56,7 +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;
@@ -77,9 +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;