1 files changed, 17 insertions, 10 deletions
diff --git a/src/poly.rs b/src/poly.rs
index cb84d64..7d964a4 100644
--- a/src/poly.rs
+++ b/src/poly.rs
@@ -2,12 +2,12 @@ mod iter;
 
 use crate::number::Number;
 use iter::Iter;
-use std::ops::{Add, Sub, Mul, Div};
+use std::ops::{Add, Div, Mul, Sub};
 
 #[derive(PartialEq, Debug, Clone)]
 pub struct Poly {
     data: Vec<Number>,
-    degree: usize
+    degree: usize,
 }
 
 impl Poly {
@@ -16,7 +16,7 @@ impl Poly {
         while data[i] == 0.0 && i > 0 {
             i -= 1;
         }
-        Poly { data, degree : i }
+        Poly { data, degree: i }
     }
 
     fn mono(degree: usize, coefficient: Number) -> Poly {
@@ -52,7 +52,7 @@ impl Poly {
     fn is_zero(&self) -> bool {
         for i in 0..self.data.len() {
             if self.data[i] != 0.0 {
-                return false
+                return false;
             }
         }
         true
@@ -63,7 +63,7 @@ impl Add for &Poly {
     type Output = Poly;
 
     fn add(self, other: Self) -> Poly {
-        Poly::new(self.iter().zip(other.iter()).map(|(x, y)| {x + y}).collect())
+        Poly::new(self.iter().zip(other.iter()).map(|(x, y)| x + y).collect())
     }
 }
 
@@ -71,7 +71,7 @@ impl Sub for &Poly {
     type Output = Poly;
 
     fn sub(self, other: Self) -> Poly {
-        Poly::new(self.iter().zip(other.iter()).map(|(x, y)| {x - y}).collect())
+        Poly::new(self.iter().zip(other.iter()).map(|(x, y)| x - y).collect())
     }
 }
 
@@ -82,9 +82,10 @@ impl Mul for &Poly {
         let mut r = Vec::new();
         for i in 0..other.degree() + 1 {
             let mut prefix = vec![0.0; i];
-            let mut suffix: Vec<Number> = self.iter()
+            let mut suffix: Vec<Number> = self
+                .iter()
                 .take(self.degree() + 1)
-                .map(|x| {x * other.data[i]})
+                .map(|x| x * other.data[i])
                 .collect();
             prefix.append(&mut suffix);
             r.push(Poly::new(prefix));
@@ -139,14 +140,20 @@ mod tests {
     fn div_equal() {
         let a = Poly::new(vec![6.0, 7.0, 1.0]);
         let b = Poly::new(vec![-6.0, -5.0, 1.0]);
-        assert_eq!(&a / &b, (Poly::new(vec![1.0]), Poly::new(vec![12.0, 12.0, 0.0])));
+        assert_eq!(
+            &a / &b,
+            (Poly::new(vec![1.0]), Poly::new(vec![12.0, 12.0, 0.0]))
+        );
     }
 
     #[test]
     fn div_greater() {
         let a = Poly::new(vec![-6.0, -5.0, 1.0]);
         let b = Poly::new(vec![12.0, 12.0]);
-        assert_eq!(&a / &b, (Poly::new(vec![-0.5, 1.0/12.0]), Poly::new(vec![0.0, 0.0])));
+        assert_eq!(
+            &a / &b,
+            (Poly::new(vec![-0.5, 1.0 / 12.0]), Poly::new(vec![0.0, 0.0]))
+        );
     }
 
     #[test]