Remove useless code

[pspp-builds.git] / src / math / covariance.c

diff --git a/src/math/covariance.c b/src/math/covariance.c
index aa4a4b8ac0358982dbdf13691a4c495d20d6e473..8e9f1db14bda67435e316049507196e476bae302 100644 (file)
--- a/src/math/covariance.c
+++ b/src/math/covariance.c
@@ -160,8 +160,8 @@ covariance_1pass_create (size_t n_vars, const struct variable *const *vars,
 
   cov->n_cm = (n_vars * (n_vars - 1)  ) / 2;
 
-  if (cov->n_cm > 0)
-    cov->cm = xcalloc (sizeof *cov->cm, cov->n_cm);
+
+  cov->cm = xcalloc (cov->n_cm, sizeof *cov->cm);
   cov->categoricals = NULL;
 
   return cov;
@@ -631,22 +631,6 @@ covariance_calculate (struct covariance *cov)
 static gsl_matrix *
 covariance_calculate_double_pass_unnormalized (struct covariance *cov)
 {
-  size_t i, j;
-  for (i = 0 ; i < cov->dim; ++i)
-    {
-      for (j = 0 ; j < cov->dim; ++j)
-       {
-         int idx;
-         double *x = gsl_matrix_ptr (cov->moments[MOMENT_VARIANCE], i, j);
-
-         idx = cm_idx (cov, i, j);
-         if ( idx >= 0)
-           {
-             x = &cov->cm [idx];
-           }
-       }
-    }
-
   return  cm_to_gsl (cov);
 }