calibrate method

rust/curves/curve.rs

@@ -32,6 +32,11 @@ pub trait CurveInterpolation {
         // let timestamp = date.and_utc().timestamp();
         index_left(&nodes.keys(), &date_timestamp, None)
     }
+
+    /// Calibrate the interpolator to the Curve nodes if necessary
+    fn calibrate(&self, nodes: &NodesTimestamp) -> Result<(), PyErr> {
+        Ok(())
+    }
 }
 
 impl<T: CurveInterpolation, U: DateRoll> CurveDF<T, U> {

rust/curves/interpolation/intp_log_cubic.rs

@@ -7,7 +7,7 @@ use pyo3::{pyclass, pymethods};
 use serde::{Deserialize, Serialize};
 use std::cmp::PartialEq;
 
-/// Define log-linear interpolation of nodes.
+/// Define log-cubic interpolation of nodes.
 #[pyclass(module = "rateslib.rs")]
 #[derive(Clone, PartialEq, Serialize, Deserialize)]
 pub struct LogCubicInterpolator {