1 files changed, 49 insertions, 2 deletions

diff --git a/ue5/mean_mark.hpp b/ue5/mean_mark.hpp
index e07aedc..614a671 100644
--- a/ue5/mean_mark.hpp
+++ b/ue5/mean_mark.hpp
@@ -1,3 +1,10 @@
+/**
+ * @module mean_mark
+ * @author Guenther Neuwirth (0626638), Manuel Mausz (0728348)
+ * @brief  Templates for mean_mark, mean_mark_student, remove_greater
+ * @date   13.06.2009
+ */
+
 #ifndef MEAN_MARK_H
 #define MEAN_MARK_H
 
@@ -9,7 +16,18 @@
 
 namespace Ti
 {
-
+  /**
+   * @method mean_mark
+   * @brief  computes mean mark in the range [first,last)
+   * @param  first  forward iterator to the initial positions in a sequence
+   * @param  last   forward iterator to the final positions in a sequence
+   * @return computed mean mark
+   * @globalvars none
+   * @exception  none
+   * @pre  all objects in the sequence must have a method mark returning a type
+   *       convertible to double
+   * @post none
+   */
   template <typename Iter>
     double mean_mark(Iter first, Iter last)
     {
@@ -23,6 +41,19 @@ namespace Ti
       return (count == 0) ? 0 : result / count;
     }
 
+  /**
+   * @method mean_mark_student
+   * @brief  computes mean mark of objects of type Student in the range [first,last)
+   *         (using RTTI)
+   * @param  first  forward iterator to the initial positions in a sequence
+   * @param  last   forward iterator to the final positions in a sequence
+   * @return computed mean mark of objects of type Student
+   * @globalvars none
+   * @exception  none
+   * @pre  All objects in the sequence must have a method mark returning a type
+   *       convertible to double. And type Stundent must exist
+   * @post none
+   */
   template <typename Iter>
     double mean_mark_student(Iter first, Iter last)
     {
@@ -41,6 +72,23 @@ namespace Ti
       return (count == 0) ? 0 : result / count;
     }
 
+  /**
+   * @method remove_greater
+   * @brief  Removes from the range [first,last) the elements with a mark greater
+   *         than mark and returns an iterator to the new end of the range,
+   *         which now includes only elements with a mark less than mark.
+   * @param  first  forward iterator to the initial positions in a sequence
+   * @param  last   forward iterator to the final positions in a sequence
+   * @param  mark   maximal value for mark to keep
+   * @return A forward iterator pointing to the new end of the sequence,
+   *         which now includes all the elements with a mark less than mark.
+   * @globalvars none
+   * @exception  none
+   * @pre  All objects in the sequence must have a method mark returning a type
+   *       convertible to double.
+   * @post This function does not alter the elements past the new end,
+   *       which keep their old values and are still accessible.
+   */
   template <class ForwardIterator>
     ForwardIterator remove_greater (ForwardIterator first, ForwardIterator last, int mark)
     {
@@ -55,7 +103,6 @@ namespace Ti
       }
       return result;
     }
-
 }
 
 #endif