adds two further small tests.

JuliaManifolds · Sep 14, 2021 · d84a3cc · d84a3cc
1 parent ea76128
commit d84a3cc
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/test/manifolds/hyperbolic.jl b/test/manifolds/hyperbolic.jl
@@ -267,5 +267,9 @@ include("../utils.jl")
         X = [1.0, 2.0, sqrt(3)]
         Y = change_representer(M, EuclideanMetric(), p, X)
         @test inner(M, p, X, Y) == inner(Euclidean(3), p, X, X)
+        # change metric not possible from Euclidean, since the embedding is Lorenzian
+        @test_throws MethodError change_metric(M, EuclideanMetric(), p, X)
+        # but if we come from the same metric, we have the identity
+        @test change_metric(M, MinkowskiMetric(), p, X) == X
     end
 end