And further text coverage.

JuliaManifolds · Dec 12, 2023 · c60fa5c · c60fa5c
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diff --git a/test/helpers/test_manifold_extra_functions.jl b/test/helpers/test_manifold_extra_functions.jl
@@ -59,6 +59,8 @@ Random.seed!(42)
         @test mid_point(M, p, q, 1.0) ≈ π / 2
         @test mid_point(M, p, q, -1.0) ≈ -π / 2
         @test mid_point(M, 0, π / 2) ≈ π / 4
+        # Without being too far away -> classical mid point
+        @test mid_point(M, 0, 0.1, π / 2) == mid_point(M, 0, 0.1)
     end
 
     @testset "max_stepsize" begin

diff --git a/tutorials/StochasticGradientDescent.qmd b/tutorials/StochasticGradientDescent.qmd
@@ -33,7 +33,8 @@ Pkg.activate("."); # for reproducibility use the local tutorial environment.
 ```
 
 ```{julia}
-using Manifolds, Manopt, Random, BenchmarkTools
+using Manifolds, Manopt, Random, BenchmarkTools, ManifoldDiff
+using ManifoldDiff: grad_distance
 Random.seed!(42);
 ```