Curves - Remove unused code.

lib/rust/mmscenegraph/src/curve/infill.rs

@@ -20,7 +20,6 @@
 
 use anyhow::bail;
 use anyhow::Result;
-use log::debug;
 use std::cmp::Ordering;
 use thiserror::Error;
 

lib/rust/mmscenegraph/src/math/curve_fit.rs

@@ -424,21 +424,18 @@ pub fn nonlinear_line_n3(
 pub struct CurveFitLinearNPointsProblem {
     // Curve values we are trying to fit to
     reference_values: Vec<(f64, f64)>,
-    reference_values_first_x: usize,
 
     // X-coordinates of control points (fixed)
     control_points_x: Vec<f64>,
 }
 
 impl CurveFitLinearNPointsProblem {
     fn new(control_points_x: Vec<f64>, reference_curve: &[(f64, f64)]) -> Self {
-        let x_first: usize = reference_curve[0].0.floor() as usize;
         let reference_values: Vec<(f64, f64)> =
             reference_curve.iter().copied().collect();
 
         Self {
             reference_values,
-            reference_values_first_x: x_first,
             control_points_x,
         }
     }
@@ -448,25 +445,6 @@ impl CurveFitLinearNPointsProblem {
         self.control_points_x.len()
     }
 
-    fn reference_y_value_at_value_x(&self, value_x: f64) -> f64 {
-        let value_start = self.control_points_x[0].floor() as usize;
-        let value_end = self.control_points_x.last().unwrap().ceil() as usize;
-
-        let mut value_index = value_x.round() as usize;
-        if value_index < value_start {
-            value_index = value_start;
-        } else if value_index > value_end {
-            value_index = value_end;
-        }
-
-        let mut index = value_index - self.reference_values_first_x;
-        if index >= self.reference_values.len() {
-            index = self.reference_values.len() - 1;
-        }
-
-        self.reference_values[index].1
-    }
-
     fn interpolate_y_value_at_x(
         &self,
         value_x: f64,
@@ -665,6 +643,9 @@ pub fn nonlinear_line_n_points_with_initial(
         &reference_values,
     );
 
+    // TODO: Solve twice - first time we just solve for offset and
+    // scale of the existing parameters.
+
     // Set up solver
     let epsilon = 1e-3;
     let condition =