From ba5fe01ca013d91b63742033f934ba13b269bd79 Mon Sep 17 00:00:00 2001
From: nojhan <nojhan@gmail.com>
Date: Thu, 15 Mar 2012 14:37:31 +0100
Subject: [PATCH] implicit conversion operator to the base scalar type for
 eoDualFitness (but is it a good idea?)

---
 eo/src/eoDualFitness.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/eo/src/eoDualFitness.h b/eo/src/eoDualFitness.h
index 3b7fda0d..674fe075 100644
--- a/eo/src/eoDualFitness.h
+++ b/eo/src/eoDualFitness.h
@@ -103,6 +103,17 @@ public:
         _is_feasible(dual.second)
     {}
 
+    // FIXME is it a good idea to include implicit conversion here?
+    /** Conversion operator: it permits to use a fitness instance as  its  scalar
+     * type, if needed. For example, this is possible:
+     *     eoDualFitness<double,std::less<double> > fit;
+     *     double val = 1.0;
+     *     fit = val;
+     *     val = fit;
+     */
+    operator BaseType(void) const { return _value; }
+
+    
     inline bool is_feasible() const
     {
         return _is_feasible;