From 5e31ae1338ef8eb3a855b598c4b4b0aa32ed00ce Mon Sep 17 00:00:00 2001
From: evomarc <evomarc>
Date: Fri, 27 Oct 2000 04:38:29 +0000
Subject: [PATCH] added a second ctor with more didactic ordering of parameters
 (for tutorial)

---
 eo/src/eoSGA.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/eo/src/eoSGA.h b/eo/src/eoSGA.h
index 1dcfe6101..110430b45 100644
--- a/eo/src/eoSGA.h
+++ b/eo/src/eoSGA.h
@@ -35,6 +35,14 @@
 #include <eoEvalFunc.h>
 #include <eoAlgo.h>
 
+/** The Simple Genetic Algorithm, following Holland and Goldberg 
+ *  Needs a selector (class eoSelectOne) a crossover (eoQuadratic, 
+ *    i.e. a 2->2 operator) and a mutation with their respective rates, 
+ *    of course an evaluation function (eoEvalFunc) and a continuator 
+ *    (eoContinue) which gives the stopping criterion. Performs full
+ *    generational replacement.
+ */   
+
 template <class EOT>
 class eoSGA : public eoAlgo<EOT>
 {
@@ -53,6 +61,22 @@ public :
           select(_select),
           eval(_eval) {}
 
+  // added this second ctor as I didn't like the ordering of the parameters
+  // in the one above. Any objection :-) MS
+    eoSGA(
+        eoSelectOne<EOT>& _select,
+        eoQuadraticOp<EOT>& _cross, float _crate,
+        eoMonOp<EOT>& _mutate, float _mrate,
+        eoEvalFunc<EOT>& _eval,
+	eoContinue<EOT>& _cont)
+        : cont(_cont), 
+          mutate(_mutate), 
+          mutationRate(_mrate),
+          cross(_cross),
+          crossoverRate(_crate),
+          select(_select),
+          eval(_eval) {}
+
     void operator()(eoPop<EOT>& _pop)
     {
         eoPop<EOT> offspring;