1 files changed, 65 insertions, 3 deletions

diff --git a/src/util.h b/src/util.h
index efbfb26..ea107ee 100644
--- a/src/util.h
+++ b/src/util.h
@@ -19,6 +19,12 @@
 
 namespace Bu
 {
+        /**
+         * Swap the value of two variables, uses references, so it's pretty safe.
+         * Objects passed in must support a basic assignemnt operator (=);
+         *@param a Variable to recieve the value of parameter b
+         *@param b Variable to recieve the value of parameter a
+         */
         template<typename item>
         void swap( item &a, item &b )
         {
@@ -27,36 +33,78 @@ namespace Bu
                 b = tmp;
         }
 
+        /**
+         * Finds the lesser of the two objects, objects passed in must be
+         * less-than-comparable.
+         *@param a A value to test.
+         *@param b Another value to test.
+         *@returns A reference to the lesser of a or b.
+         */
         template<typename item>
         const item &min( const item &a, const item &b )
         {
                 return a<b?a:b;
         }
         
+        /**
+         * Finds the lesser of the two objects, objects passed in must be
+         * less-than-comparable.
+         *@param a A value to test.
+         *@param b Another value to test.
+         *@returns A reference to the lesser of a or b.
+         */
         template<typename item>
         item &min( item &a, item &b )
         {
                 return a<b?a:b;
         }
         
+        /**
+         * Finds the greater of the two objects, objects passed in must be
+         * less-than-comparable.
+         *@param a A value to test.
+         *@param b Another value to test.
+         *@returns A reference to the greater of a or b.
+         */
         template<typename item>
         const item &max( const item &a, const item &b )
         {
-                return a>b?a:b;
+                return b<a?a:b;
         }
         
+        /**
+         * Finds the greater of the two objects, objects passed in must be
+         * less-than-comparable.
+         *@param a A value to test.
+         *@param b Another value to test.
+         *@returns A reference to the greater of a or b.
+         */
         template<typename item>
         item &max( item &a, item &b )
         {
-                return a>b?a:b;
+                return b<a?a:b;
         }
         
+        /**
+         * Given three objects this finds the one between the other two.
+         *@param a A value to test.
+         *@param b Another value to test.
+         *@param c Yet another value to test.
+         *@returns A reference to the mid-value of a, b, and c.
+         */
         template<typename item>
         const item &mid( const item &a, const item &b, const item &c )
         {
                 return min( max( a, b ), c );
         }
-        
+                
+        /**
+         * Given three objects this finds the one between the other two.
+         *@param a A value to test.
+         *@param b Another value to test.
+         *@param c Yet another value to test.
+         *@returns A reference to the mid-value of a, b, and c.
+         */
         template<typename item>
         item &mid( item &a, item &b, item &c )
         {
@@ -66,6 +114,10 @@ namespace Bu
         //
         //  Basic comparison functors
         //
+        /**
+         * Simple less-than comparison functor.  Objects being used should be
+         * less-than-comparable.
+         */
         template<typename item>
         struct __basicLTCmp
         {
@@ -75,6 +127,10 @@ namespace Bu
                 }
         };
         
+        /**
+         * Simple greater-than comparison functor.  Objects being used should be
+         * greater-than-comparable.
+         */
         template<typename item>
         struct __basicGTCmp
         {
@@ -84,6 +140,9 @@ namespace Bu
                 }
         };
 
+        /**
+         * As __basicLTCmp but dereferences the passed in pointers before comparing.
+         */
         template<typename item>
         struct __basicPtrLTCmp
         {
@@ -93,6 +152,9 @@ namespace Bu
                 }
         };
         
+        /**
+         * As __basicGTCmp but dereferences the passed in pointers before comparing.
+         */
         template<typename item>
         struct __basicPtrGTCmp
         {