global: fixes

crates/brk_structs/src/structs/stored_f64.rs

@@ -1,6 +1,7 @@
 use std::{
     cmp::Ordering,
     f64,
+    iter::Sum,
     ops::{Add, AddAssign, Div, Mul},
 };
 
@@ -77,6 +78,13 @@ impl Div<StoredF64> for StoredF64 {
     }
 }
 
+impl Div<Dollars> for StoredF64 {
+    type Output = Self;
+    fn div(self, rhs: Dollars) -> Self::Output {
+        Self::from(self.0 / *rhs)
+    }
+}
+
 impl Add for StoredF64 {
     type Output = Self;
     fn add(self, rhs: Self) -> Self::Output {
@@ -161,3 +169,9 @@ impl Printable for StoredF64 {
         &["f64"]
     }
 }
+
+impl Sum for StoredF64 {
+    fn sum<I: Iterator<Item = Self>>(iter: I) -> Self {
+        Self(iter.map(|v| v.0).sum::<f64>())
+    }
+}