NPAR TESTS: Fix two test failures.

[pspp-builds.git] / src / language / stats / t-test.q

diff --git a/src/language/stats/t-test.q b/src/language/stats/t-test.q
index 8aee3b157992827fa9021c876b39822809ab43b2..3f3fa5d6e0d795f64940def95c82e62fec40705e 100644 (file)
--- a/src/language/stats/t-test.q
+++ b/src/language/stats/t-test.q
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 1997-9, 2000, 2009 Free Software Foundation, Inc.
+   Copyright (C) 1997-9, 2000, 2009, 2010 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
@@ -275,7 +275,7 @@ tts_custom_groups (struct lexer *lexer, struct dataset *ds,
   int n_values;
   int width;
 
-  lex_match (lexer, '=');
+  lex_match (lexer, T_EQUALS);
 
   proc->indep_var = parse_variable (lexer, dataset_dict (ds));
   if (proc->indep_var == NULL)
@@ -287,19 +287,19 @@ tts_custom_groups (struct lexer *lexer, struct dataset *ds,
   value_init (&proc->g_value[0], width);
   value_init (&proc->g_value[1], width);
 
-  if (!lex_match (lexer, '('))
+  if (!lex_match (lexer, T_LPAREN))
     n_values = 0;
   else
     {
       if (!parse_value (lexer, &proc->g_value[0], width))
         return 0;
-      lex_match (lexer, ',');
-      if (lex_match (lexer, ')'))
+      lex_match (lexer, T_COMMA);
+      if (lex_match (lexer, T_RPAREN))
         n_values = 1;
       else
         {
           if (!parse_value (lexer, &proc->g_value[1], width)
-              || !lex_force_match (lexer, ')'))
+              || !lex_force_match (lexer, T_RPAREN))
             return 0;
           n_values = 2;
         }
@@ -355,7 +355,7 @@ tts_custom_pairs (struct lexer *lexer, struct dataset *ds,
   size_t n_total_pairs;
   size_t i, j;
 
-  lex_match (lexer, '=');
+  lex_match (lexer, T_EQUALS);
 
   if (!parse_variables_const (lexer, dataset_dict (ds), &vars1, &n_vars1,
                               PV_DUPLICATE | PV_NUMERIC | PV_NO_SCRATCH))
@@ -370,9 +370,9 @@ tts_custom_pairs (struct lexer *lexer, struct dataset *ds,
           return 0;
         }
 
-      if (lex_match (lexer, '(')
+      if (lex_match (lexer, T_LPAREN)
           && lex_match_id (lexer, "PAIRED")
-          && lex_match (lexer, ')'))
+          && lex_match (lexer, T_RPAREN))
         {
           paired = true;
           if (n_vars1 != n_vars2)
@@ -1401,6 +1401,23 @@ group_calc (const struct dictionary *dict, struct t_test_proc *proc,
   return 0;
 }
 
+
+static bool
+is_criteria_value (const struct ccase *c, void *aux)
+{
+  const struct t_test_proc *proc = aux;
+  const union value *val = case_data (c, proc->indep_var);
+  int width = var_get_width (proc->indep_var);
+
+  if ( value_equal (val, &proc->g_value[0], width))
+    return true;
+
+  if ( value_equal (val, &proc->g_value[1], width))
+    return true;
+
+  return false;
+}
+
 static void
 calculate (struct t_test_proc *proc,
            struct casereader *input, const struct dataset *ds)
@@ -1410,7 +1427,7 @@ calculate (struct t_test_proc *proc,
   struct trbox test_results_box;
   struct taint *taint;
   struct ccase *c;
-
+  int i;
   c = casereader_peek (input, 0);
   if (c == NULL)
     {
@@ -1439,8 +1456,20 @@ calculate (struct t_test_proc *proc,
       break;
     case T_IND_SAMPLES:
       group_calc (dict, proc, casereader_clone (input));
-      levene (dict, input, proc->indep_var, proc->n_vars, proc->vars,
-              proc->exclude);
+
+      for (i = 0; i < proc->n_vars; ++i)
+       {
+         struct group_proc *grp_data = group_proc_get (proc->vars[i]);
+
+         if ( proc->criterion == CMP_EQ )
+           {
+             input = casereader_create_filter_func (input, is_criteria_value, NULL,
+                                                    proc, 
+                                                    NULL);
+           }
+
+         grp_data->levene = levene ( input, proc->indep_var, proc->vars[i], dict_get_weight (dict), proc->exclude);
+       }
       break;
     default:
       NOT_REACHED ();