add half-life to history weighting

1 files changed, 2 insertions, 0 deletions

diff --git a/src/config.rs b/src/config.rs
index 67721b4..5fdcfe8 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -14,6 +14,7 @@ pub struct Config {
     pub mid_weight: f32,
     pub high_weight: f32,
     pub max_weight: f32,
+    pub lookback_window_halflife_in_entries: u16,
 }
 
 fn default_config_path() -> String {
@@ -65,6 +66,7 @@ impl Default for Config {
             mid_weight: 0.5,
             high_weight: 0.75,
             max_weight: 1.0,
+            lookback_window_halflife_in_entries: 128,
         }
     }
 }