fix: cargo fmt

src/metrics/accuracy.rs

@@ -1,15 +1,19 @@
-use serde::{Serialize, Deserialize};
+use serde::{Deserialize, Serialize};
 
-use crate::math::num::FloatExt;
 use crate::linalg::BaseVector;
+use crate::math::num::FloatExt;
 
 #[derive(Serialize, Deserialize, Debug)]
-pub struct Accuracy{}
+pub struct Accuracy {}
 
 impl Accuracy {
     pub fn get_score<T: FloatExt, V: BaseVector<T>>(&self, y_true: &V, y_prod: &V) -> T {
         if y_true.len() != y_prod.len() {
-            panic!("The vector sizes don't match: {} != {}", y_true.len(), y_prod.len());
+            panic!(
+                "The vector sizes don't match: {} != {}",
+                y_true.len(),
+                y_prod.len()
+            );
         }
 
         let n = y_true.len();
@@ -23,23 +27,21 @@ impl Accuracy {
 
         T::from_i64(positive).unwrap() / T::from_usize(n).unwrap()
     }
-    
 }
 
 #[cfg(test)]
 mod tests {
-    use super::*;    
+    use super::*;
 
     #[test]
     fn accuracy() {
         let y_pred: Vec<f64> = vec![0., 2., 1., 3.];
         let y_true: Vec<f64> = vec![0., 1., 2., 3.];
-        
-        let score1: f64 = Accuracy{}.get_score(&y_pred, &y_true);
-        let score2: f64 = Accuracy{}.get_score(&y_true, &y_true);
+
+        let score1: f64 = Accuracy {}.get_score(&y_pred, &y_true);
+        let score2: f64 = Accuracy {}.get_score(&y_true, &y_true);
 
         assert!((score1 - 0.5).abs() < 1e-8);
         assert!((score2 - 1.0).abs() < 1e-8);
-    }    
-
-}
+    }
+}