Mercurial > repos > non-riemannian-opt / file comparison
comparison: src/dist.rs
src/dist.rs
- changeset 53
- 60928f1440e0
- parent 17
- ad68dacabe4f
- child 55
- 15f01efc034b
equal
deleted
inserted
replaced
| 52:1d8e5731a4d3 | 53:60928f1440e0 |
|---|---|
| 59 x.log(&self.0) | 59 x.log(&self.0) |
| 60 } | 60 } |
| 61 } | 61 } |
| 62 | 62 |
| 63 impl<M : ManifoldPoint> Prox<M> for DistTo<M> { | 63 impl<M : ManifoldPoint> Prox<M> for DistTo<M> { |
| 64 /// This is proximal map is a type of soft-thresholding on manifolds. | 64 /// This proximal map is a type of soft-thresholding on manifolds. |
| 65 fn prox(&self, τ : f64, x : M) -> M { | 65 fn prox(&self, τ : f64, x : M) -> M { |
| 66 let v = x.log(&self.0); | 66 let v = x.log(&self.0); |
| 67 let d = v.norm2(); | 67 let d = v.norm2(); |
| 68 if d <= τ { | 68 if d <= τ { |
| 69 self.0.clone() | 69 self.0.clone() |
