Delete trailing whitespace at end of lines.

[pspp-builds.git] / src / data / category.h

diff --git a/src/data/category.h b/src/data/category.h
index 30ca272293d310f89f75e7c8abda9a00c0ce5eca..f11ab6bcc6b59bf6e7f9d3b23c2d0f4200e7b2d3 100644 (file)
--- a/src/data/category.h
+++ b/src/data/category.h
@@ -1,6 +1,5 @@
 /* PSPP - Binary encodings for categorical variables.
    Copyright (C) 2005 Free Software Foundation, Inc.
-   Written by Jason H Stover <jason@sakla.net>.
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
@@ -20,7 +19,7 @@
 /*
   Functions and data structures to recode categorical variables into
   vectors and sub-rows of matrices.
-  
+
   To fit many types of statistical models, it is necessary
   to change each value of a categorical variable to a vector with binary
   entries. These vectors are then stored as sub-rows within a matrix
@@ -33,29 +32,26 @@
 
  */
 
-#ifndef CAT_H
-#define CAT_H
-#define CAT_VALUE_NOT_FOUND -2
-#include <stdbool.h>
+#ifndef CATEGORY_H
+#define CATEGORY_H
 
+#include <stddef.h>
 
+struct cat_vals;
+struct variable ;
 union value;
-struct variable ; 
 
-/*
-  This structure contains the observed values of a 
-  categorical variable.
- */
-struct cat_vals
-{
-  union value *vals;
-  size_t n_categories;
-  size_t n_allocated_categories;       /* This is used only during
-                                          initialization to keep
-                                          track of the number of
-                                          values stored.
-                                        */
-};
+void cat_stored_values_create (const struct variable *);
+void cat_stored_values_destroy (struct cat_vals *);
+
+size_t cat_value_find (const struct variable *, const union value *);
+
+const union value *cat_subscript_to_value (const size_t,
+                                          const struct variable *);
+
+
+void cat_value_update (const struct variable *, const union value *);
+
 
 /*
   Return the number of categories of a categorical variable.