refactor: minor changes

crates/qlab-math/src/interpolation/linear.rs

@@ -4,6 +4,27 @@ use qlab_error::ComputeError::InvalidInput;
 use qlab_error::QLabResult;
 use std::fmt::Debug;
 
+/// A linear data structure that stores a collection of points.
+///
+/// # Type Parameters
+///
+/// - `V`: The type of values in the points.
+///
+/// # Examples
+///
+/// ```
+/// use num_traits::Float;
+/// use qlab_math::interpolation::linear::Linear;
+/// use qlab_math::interpolation::Method;
+///
+/// let mut linear: Linear<f32> = Linear::default();
+///
+/// let xs = [1.0, 3.0];
+/// let ys = [2.0, 4.0];
+/// linear.fit(&xs, &ys).unwrap();
+/// assert_eq!(linear.value(2.0).unwrap(), 3.0);
+///
+/// ```
 #[derive(Default)]
 pub struct Linear<V: Float> {
     points: Vec<Point<V>>,

crates/qlab-time/src/day_count/act_360.rs

@@ -16,9 +16,7 @@ impl DayCount for Act360 {
         ))?;
         let denomination =
             V::from_i32(360).ok_or(ComputeError::CastNumberError(format!("{}", 360).into()))?;
-        if denomination.eq(&V::zero()) {
-            return Err(ComputeError::ZeroDivisionError.into());
-        }
+
         Ok(date_diff.div(denomination))
     }
 }

crates/qlab-time/src/day_count/act_365.rs

@@ -17,9 +17,7 @@ impl DayCount for Act365 {
         ))?;
         let denomination =
             V::from_i32(365).ok_or(ComputeError::CastNumberError(format!("{}", 365).into()))?;
-        if denomination.eq(&V::zero()) {
-            return Err(ComputeError::ZeroDivisionError.into());
-        }
+
         Ok(date_diff.div(denomination))
     }
 }

crates/qlab-time/src/lib.rs

@@ -1,4 +1,4 @@
-mod business_day_convention;
+pub mod business_day_convention;
 // mod calendar;
 mod calendar;
 pub mod date;

crates/qlab/Cargo.toml

@@ -16,6 +16,7 @@ qlab-time = { workspace = true }
 qlab-termstructure = { workspace = true }
 qlab-instrument = { workspace = true }
 qlab-math = { workspace = true }
+calendar = { workspace = true }
 
 [lints]
 workspace = true