diff -r d2994e34a5f5 -r 0a689881b0f1 src/direct_product.rs
--- a/src/direct_product.rs	Mon May 12 15:42:48 2025 -0500
+++ b/src/direct_product.rs	Mon May 12 16:28:50 2025 -0500
@@ -179,9 +179,7 @@
 }
 
 impl_scalar!(Mul, mul);
-//impl_scalar!(Mul, mul, f64);
-impl_scalar!(Sub, sub);
-//impl_scalar!(Sub, sub, f64);
+impl_scalar!(Div, div);
 
 macro_rules! impl_scalar_lhs {
     ($trait:ident, $fn:ident, $F:ty) => {
@@ -211,6 +209,8 @@
 
 impl_scalar_lhs!(Mul, mul, f32);
 impl_scalar_lhs!(Mul, mul, f64);
+impl_scalar_lhs!(Div, div, f32);
+impl_scalar_lhs!(Div, div, f64);
 
 macro_rules! impl_binary_mut {
     ($trait:ident, $fn:ident) => {
@@ -308,8 +308,8 @@
     A: AXPY<U, Field = F>,
     B: AXPY<V, Field = F>,
     F: Num,
-    Self: MulAssign<F>,
-    Pair<A, B>: MulAssign<F>,
+    Self: MulAssign<F> + DivAssign<F>,
+    Pair<A, B>: MulAssign<F> + DivAssign<F>,
     //A::Owned: MulAssign<F>,
     //B::Owned: MulAssign<F>,
     //Pair<A::Owned, B::Owned>: AXPY<Pair<U, V>, Field = F>,