1 files changed, 4 insertions, 4 deletions
diff --git a/src/lerp.rs b/src/lerp.rs
index 8a33e8f..96506df 100644
--- a/src/lerp.rs
+++ b/src/lerp.rs
@@ -1,5 +1,5 @@
 use crate::number::Number;
-use crate::poly::{self, Poly};
+use crate::poly::Poly;
 
 pub enum Lerp {
     Node(Box<Lerp>, Box<Lerp>),
@@ -23,12 +23,12 @@ impl Lerp {
 
 pub fn lp(l: Box<Lerp>) -> Poly {
     match *l {
-        Lerp::Leaf(a, b) => vec![a, b - a],
+        Lerp::Leaf(a, b) => Poly(vec![a, b - a]),
         Lerp::Node(a, b) => {
             let a = lp(a);
             let b = lp(b);
-            let c = poly::sub(&b, &a);
-            poly::skewed_sum(a, c)
+            let c = &b - &a;
+            &a + &(&c * &Poly(vec![0.0, 1.0]))
         }
     }
 }