X-Git-Url: https://ruin.nu/git/?a=blobdiff_plain;f=src%2Fgeneorder.h;h=4659e0efee62ca5194a3505b75d868bfe865c416;hb=43b1052d74a207fe667b75e41d0c70c1189c2cc8;hp=b29a1acc2ceefc15d700f9720f09a2ad9f22568a;hpb=c0c87c4e18985ba969174716f7576f291b0fd6a6;p=germs.git

diff --git a/src/geneorder.h b/src/geneorder.h
index b29a1ac..4659e0e 100644
--- a/src/geneorder.h
+++ b/src/geneorder.h
@@ -27,7 +27,13 @@
 #include "misc.h"
 
 /**
- * Stores a gene order permutation and ensures that all genes are present and not duplicated.
+ * Stores a gene order permutation and ensures that all genes are present 
+ * and not duplicated.
+ *
+ * It has limited support for acting as an STL container, but still maintaining
+ * the invariant of a permutation starting with 0 and ending with n, with all
+ * genes present.
+ *
  * \author Michael Andreen
 */
 class GeneOrder{
@@ -104,6 +110,14 @@ class GeneOrder{
 		 */
 		iterator end() const;
 
+		/**
+		 * Reverserses the interval [i,j], changing the sign on all elements
+		 * affected.
+		 *
+		 * \throws std::out_of_range if i is smaller than 0 or bigger than n.
+		 */
+		void reverse(size_type i, size_type j);
+
 
 	private:
 		GeneList _geneorder;