Apply diverse discover reward multiplier

Author: reinterpretcat

CHANGELOG.md

@@ -2,13 +2,18 @@
 
 All notable changes to this project will be documented in this file.
 
+Please note, while the major version has reached 1, breaking changes can be introduced within any minor version.
+I would prefer to downgrade the major version back to 0 to be more consistent with semantic versioning, but the crates
+are already published. So, I stick to it for now.
+
 
 ## [Unreleased]
 
 ### Removed
 
 * GitHub sponsors functionality
 * experimental `async-evolution` feature
+* NSGA-II implementation and its usage
 
 ### Fixed
 

rosomaxa/src/hyper/dynamic_selective.rs

@@ -342,6 +342,7 @@ where
         .next()
         .map(|best_known| {
             const BEST_DISCOVERY_REWARD_MULTIPLIER: f64 = 2.;
+            const DIVERSE_DISCOVERY_REWARD_MULTIPLIER: f64 = 0.1;
 
             let objective = heuristic_ctx.objective();
 
@@ -353,7 +354,7 @@ where
                 (Ordering::Greater, Ordering::Greater) => {
                     (distance_initial + 1.) + (distance_best + 1.) * BEST_DISCOVERY_REWARD_MULTIPLIER
                 }
-                (Ordering::Greater, Ordering::Less) => distance_initial + 1.,
+                (Ordering::Greater, Ordering::Less) => (distance_initial + 1.) * DIVERSE_DISCOVERY_REWARD_MULTIPLIER,
                 _ => 0.,
             }
         })