Mercurial > repos > alg_tools / file diff

--- a/src/mapping/dataterm.rs	Wed Apr 30 01:06:25 2025 -0500
+++ b/src/mapping/dataterm.rs	Wed Apr 30 16:39:01 2025 -0500
@@ -7,11 +7,13 @@
 
 use super::{DifferentiableImpl, DifferentiableMapping, LipschitzDifferentiableImpl, Mapping};
 use crate::convex::ConvexMapping;
+use crate::error::DynResult;
 use crate::instance::{Instance, Space};
 use crate::linops::{BoundedLinear, Linear, Preadjointable};
 use crate::norms::{Normed, L2};
 use crate::types::Float;
 use std::ops::Sub;
+
 //use serde::{Deserialize, Serialize};
 
 /// Functions of the form $\frac{1}{2}\|Ax-b\|_2^2$ for an operator $A$
@@ -114,7 +116,7 @@
 {
     type FloatType = F;
 
-    fn diff_lipschitz_factor(&self, seminorm: X::NormExp) -> Option<F> {
-        Some(self.opA.opnorm_bound(seminorm, L2).powi(2))
+    fn diff_lipschitz_factor(&self, seminorm: X::NormExp) -> DynResult<F> {
+        Ok(self.opA.opnorm_bound(seminorm, L2)?.powi(2))
     }
 }