X-Git-Url: https://ruin.nu/git/?a=blobdiff_plain;f=src%2Fgenealgorithms.cpp;h=67c504e77b3f9bdfad9589236e8f65f8e2b2cd5d;hb=e81855989d0f0e124e0ec770b417bcb099959391;hp=78b0f0572dc283b1e7e8f7278303954ff77cddac;hpb=9299a79715f5b11b0ab26bff80ab7a610030b126;p=germs.git

diff --git a/src/genealgorithms.cpp b/src/genealgorithms.cpp
index 78b0f05..67c504e 100644
--- a/src/genealgorithms.cpp
+++ b/src/genealgorithms.cpp
@@ -66,8 +66,8 @@ struct FindP{
 };
 
 
-int countCycles(const GeneOrder& go){
-	int cycles = 0;
+size_t countCycles(const GeneOrder& go){
+	size_t cycles = 0;
 	set<size_t> marked;
 	vector<Interval> intervals = findIntervals(go);
 	vector<Interval> points = findIntervalsAtPoints(intervals);
@@ -92,6 +92,12 @@ int countCycles(const GeneOrder& go){
 	return cycles;
 }
 
+size_t inversionDistance(const GeneOrder& go){
+	size_t cycles = countCycles(go);
+
+	return go.size() - 1 - cycles;
+}
+
 int sign(Gene g){
 	if (g > 0)
 		return 1;