fix: broken tests

src/decomposition/pca.rs

@@ -323,7 +323,7 @@ mod tests {
             .approximate_eq(&expected_eigenvectors.abs(), 1e-4));
 
         for i in 0..pca.eigenvalues.len() {
-            assert_eq!(pca.eigenvalues[i].abs(), expected_eigenvalues[i].abs());
+            assert!((pca.eigenvalues[i].abs() - expected_eigenvalues[i].abs()).abs() < 1e-8);
         }
 
         let us_arrests_t = pca.transform(&us_arrests);
@@ -438,7 +438,7 @@ mod tests {
             .approximate_eq(&expected_eigenvectors.abs(), 1e-4));
 
         for i in 0..pca.eigenvalues.len() {
-            assert_eq!(pca.eigenvalues[i].abs(), expected_eigenvalues[i].abs());
+            assert!((pca.eigenvalues[i].abs() - expected_eigenvalues[i].abs()).abs() < 1e-8);
         }
 
         let us_arrests_t = pca.transform(&us_arrests);

src/linear/logistic_regression.rs

@@ -265,7 +265,6 @@ impl<T: FloatExt, M: Matrix<T>> LogisticRegression<T, M> {
 mod tests {
     use super::*;
     use crate::linalg::naive::dense_matrix::*;    
-    use crate::metrics::*;
     use ndarray::{arr1, arr2, Array1};
 
     #[test]