From 1c853ecdb95f9c99b42c6fcb62725d79487371ea Mon Sep 17 00:00:00 2001
From: nojhan <nojhan@nojhan.net>
Date: Fri, 10 Feb 2023 11:54:45 +0100
Subject: [PATCH] revert 399b22266 (virtual fitness interface temptative)

Incompatible with MOEO's change of interface.
---
 eo/src/EO.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/eo/src/EO.h b/eo/src/EO.h
index f0e5213ac..a2c3b490a 100644
--- a/eo/src/EO.h
+++ b/eo/src/EO.h
@@ -72,7 +72,9 @@ template<class F = double> class EO: public eoObject, public eoPersistent
   virtual ~EO() {};
 
   /// Return fitness value.
-  virtual const Fitness& fitness() const {
+  // virtual const Fitness& fitness() const { // This would be impossible with MOEO.
+  // virtual Fitness fitness() const { // Cannot do that either, MOEO changes the interface.
+  Fitness fitness() const {
     if (invalid())
         throw eoInvalidFitnessError("Cannot retrieve unevaluated fitness");
     return repFitness;
@@ -91,7 +93,7 @@ template<class F = double> class EO: public eoObject, public eoPersistent
   /** Set fitness. At the same time, validates it.
    *  @param _fitness New fitness value.
    */
-  virtual void fitness(const Fitness& _fitness)
+  void fitness(const Fitness& _fitness)
   {
     repFitness = _fitness;
     invalidFitness = false;