add tests for stereographic slice sampling

Author: Red-Portal

test/multivariate.jl

@@ -74,11 +74,9 @@ end
         HitAndRun(SliceSteppingOut(1)),
         HitAndRun(SliceDoublingOut(1)),
 
-        # Latent slice sampling
         LatentSlice(5),
-
-        # Gibbsian polar slice sampling
         GibbsPolarSlice(100),
+        StereographicSlice(),
     ]
         @testset "initial_params" begin
             model  = MultiModel(1.0, 1.0, [0.0])

test/turing.jl

@@ -4,7 +4,8 @@
         s ~ InverseGamma(2, 3)
         m ~ Normal(0, sqrt(s))
         1.5 ~ Normal(m, sqrt(s))
-        return 2.0 ~ Normal(m, sqrt(s))
+        2.0 ~ Normal(m, sqrt(s))
+        return nothing
     end
 
     n_samples = 1000
@@ -19,6 +20,7 @@
         HitAndRun(SliceDoublingOut(1)),
         LatentSlice(5),
         GibbsPolarSlice(5),
+        StereographicSlice(),
     ]
         chain = sample(
             model,