diff --git a/src/transform/invert.rs b/src/transform/invert.rs
index 7744d4e..01cd310 100644
--- a/src/transform/invert.rs
+++ b/src/transform/invert.rs
@@ -30,6 +30,7 @@ impl Pattern for Invert {
 mod test {
     use super::*;
     use crate::MockPatternFactory;
+    use approx::*;
     use mockall::predicate::eq;
 
     #[test]
@@ -62,7 +63,7 @@ mod test {
 
         let sampler = InvertFactory::new(Box::new(child)).create(&Config::default());
 
-        assert_eq!(0.3, sampler.sample(Vector::default()));
+        assert_abs_diff_eq!(0.3, sampler.sample(Vector::default()));
     }
 
     #[test]
diff --git a/src/transform/shift.rs b/src/transform/shift.rs
index 2840473..39f090d 100644
--- a/src/transform/shift.rs
+++ b/src/transform/shift.rs
@@ -28,6 +28,7 @@ impl Pattern for Shift {
 mod test {
     use super::*;
     use crate::MockPatternFactory;
+    use approx::*;
     use mockall::predicate::eq;
 
     #[test]
@@ -61,7 +62,7 @@ mod test {
 
         let sampler = ShiftFactory::new(Box::new(child)).create(&config);
 
-        assert_eq!(0.8, sampler.sample(Vector::default()));
+        assert_abs_diff_eq!(0.8, sampler.sample(Vector::default()));
     }
 
     #[test]
diff --git a/src/transform/slice.rs b/src/transform/slice.rs
index 50e75fe..1aaef8a 100644
--- a/src/transform/slice.rs
+++ b/src/transform/slice.rs
@@ -38,6 +38,7 @@ impl Pattern for Slice {
 mod test {
     use super::*;
     use crate::MockPatternFactory;
+    use approx::*;
     use mockall::predicate::eq;
 
     #[test]
@@ -67,7 +68,7 @@ mod test {
 
         let sampler = SliceFactory::new(Box::new(child), 4).create(&Config::default());
 
-        assert_eq!(1.0, sampler.sample(Vector::default()));
+        assert_abs_diff_eq!(1.0, sampler.sample(Vector::default()));
     }
 
     #[test]
@@ -81,7 +82,7 @@ mod test {
 
         let sampler = SliceFactory::new(Box::new(child), 4).create(&Config::default());
 
-        assert_eq!(0.0, sampler.sample(Vector::default()));
+        assert_abs_diff_eq!(0.0, sampler.sample(Vector::default()));
     }
 
     #[test]
diff --git a/src/transform/swap.rs b/src/transform/swap.rs
index f0ee618..04b49f4 100644
--- a/src/transform/swap.rs
+++ b/src/transform/swap.rs
@@ -30,6 +30,7 @@ impl Pattern for Swap {
 mod test {
     use super::*;
     use crate::MockPatternFactory;
+    use approx::*;
     use mockall::predicate::eq;
 
     #[test]
@@ -62,7 +63,7 @@ mod test {
 
         let sampler = SwapFactory::new(Box::new(child)).create(&Config::default());
 
-        assert_eq!(0.4, sampler.sample(Vector::default()));
+        assert_abs_diff_eq!(0.4, sampler.sample(Vector::default()));
     }
 
     #[test]