Add methods Grid::{set_,}reference

Author: t7phy

pineappl/src/grid.rs

@@ -199,6 +199,18 @@ impl Grid {
         }
     }
 
+    /// TODO
+    pub fn reference(&self) -> &Reference {
+        &self.reference
+    }
+
+    /// TODO
+    pub fn set_reference(&mut self, reference: Reference) {
+        // TODO: check that the number of bins and channels is consistent between the grid and
+        // `reference`
+        self.reference = reference;
+    }
+
     /// Return the convention by which the channels' PIDs are encoded.
     #[must_use]
     pub const fn pid_basis(&self) -> &PidBasis {

pineappl/src/reference.rs

@@ -2,31 +2,44 @@
 
 use serde::{Deserialize, Serialize};
 
+/// Absolute reference result for a single bin.
 #[derive(Clone, Deserialize, Serialize)]
-enum RefRes {
+pub enum AbsRefRes {
+    /// TODO
     ByBin(f64),
+    /// TODO
     ByBinOrder(Vec<f64>),
+    /// TODO
     ByBinChannel(Vec<f64>),
+    /// TODO
     ByBinOrderChannel(Vec<Vec<f64>>),
 }
 
+/// Relative reference uncertainty for a single bin.
 #[derive(Clone, Deserialize, Serialize)]
-enum RefRelUnc {
+pub enum RelRefUnc {
+    /// TODO
     ByBin(f64),
+    /// TODO
     ByBinOrder(Vec<f64>, CombOp),
+    /// TODO
     ByBinChannel(Vec<f64>, CombOp),
+    /// TODO
     ByBinOrderChannel(Vec<Vec<f64>>, CombOp),
 }
 
+/// TODO
 #[derive(Clone, Deserialize, Serialize)]
-enum CombOp {
+pub enum CombOp {
+    /// TODO
     Sum,
+    /// TODO
     Quadrature,
 }
 
 /// TODO
 #[derive(Clone, Default, Deserialize, Serialize)]
 pub struct Reference {
-    ref_res_unc: Vec<(RefRes, RefRelUnc)>,
+    ref_res_unc: Vec<(AbsRefRes, RelRefUnc)>,
     ref_conv_fun: Vec<String>,
 }