Added result_class parameter to tab_double and updated all callers. Removed tab_fixed
[pspp] / src / language / stats / quick-cluster.c
index e6987f4b10b5db503a799b66665a796665407a17..68b50123144e2b0b10c19d494d2e4b02b32ac430 100644 (file)
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2011 Free Software Foundation, Inc.
+   Copyright (C) 2011, 2012 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
@@ -390,11 +390,10 @@ static void
 quick_cluster_show_centers (struct Kmeans *kmeans, bool initial, const struct qc *qc)
 {
   struct tab_table *t;
-  int nc, nr, heading_columns, currow;
+  int nc, nr, currow;
   int i, j;
   nc = qc->ngroups + 1;
   nr = qc->n_vars + 4;
-  heading_columns = 1;
   t = tab_create (nc, nr);
   tab_headers (t, 0, nc - 1, 0, 1);
   currow = 0;
@@ -433,14 +432,14 @@ quick_cluster_show_centers (struct Kmeans *kmeans, bool initial, const struct qc
              tab_double (t, i + 1, j + 4, TAB_CENTER,
                          gsl_matrix_get (kmeans->centers,
                                          kmeans->group_order->data[i], j),
-                         var_get_print_format (qc->vars[j]));
+                         var_get_print_format (qc->vars[j]), RC_OTHER);
            }
          else
            {
              tab_double (t, i + 1, j + 4, TAB_CENTER,
                          gsl_matrix_get (kmeans->initial_centers,
                                          kmeans->group_order->data[i], j),
-                         var_get_print_format (qc->vars[j]));
+                         var_get_print_format (qc->vars[j]), RC_OTHER);
            }
        }
     }
@@ -549,6 +548,11 @@ cmd_quick_cluster (struct lexer *lexer, struct dataset *ds)
                    {
                      lex_force_int (lexer);
                      qc.ngroups = lex_integer (lexer);
+                     if (qc.ngroups <= 0)
+                       {
+                         lex_error (lexer, _("The number of clusters must be positive"));
+                         goto error;
+                       }
                      lex_get (lexer);
                      lex_force_match (lexer, T_RPAREN);
                    }
@@ -559,6 +563,11 @@ cmd_quick_cluster (struct lexer *lexer, struct dataset *ds)
                    {
                      lex_force_int (lexer);
                      qc.maxiter = lex_integer (lexer);
+                     if (qc.maxiter <= 0)
+                       {
+                         lex_error (lexer, _("The number of iterations must be positive"));
+                         goto error;
+                       }
                      lex_get (lexer);
                      lex_force_match (lexer, T_RPAREN);
                    }