From a2cb5dfb03ccfe2fa3e4b542afd5f0932c565d78 Mon Sep 17 00:00:00 2001
From: Mateusz Baran <mateuszbaran89@gmail.com>
Date: Fri, 5 Aug 2022 15:26:55 +0200
Subject: [PATCH] allocate_result IsExplicitDecorator (#123)

* allocate_result IsExplicitDecorator

* add test and bump version
---
 Project.toml              | 2 +-
 src/decorator_trait.jl    | 8 ++++++++
 test/embedded_manifold.jl | 1 +
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/Project.toml b/Project.toml
index 8b19064f..c5fdee83 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ManifoldsBase"
 uuid = "3362f125-f0bb-47a3-aa74-596ffd7ef2fb"
 authors = ["Seth Axen <seth.axen@gmail.com>", "Mateusz Baran <mateuszbaran89@gmail.com>", "Ronny Bergmann <manopt@ronnybergmann.net>", "Antoine Levitt <antoine.levitt@gmail.com>"]
-version = "0.13.17"
+version = "0.13.18"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
diff --git a/src/decorator_trait.jl b/src/decorator_trait.jl
index ddfd3089..e2859a31 100644
--- a/src/decorator_trait.jl
+++ b/src/decorator_trait.jl
@@ -132,6 +132,14 @@ function allocate_result(
     T = allocate_result_type(get_embedding(M, x[1]), f, x)
     return allocate(M, x[1], T, representation_size(M))
 end
+@inline function allocate_result(
+    ::TraitList{IsExplicitDecorator},
+    M::AbstractDecoratorManifold,
+    f,
+    x...,
+)
+    return allocate_result(decorated_manifold(M), f, x...)
+end
 
 
 # Introduce Deco Trait | automatic foward | fallback
diff --git a/test/embedded_manifold.jl b/test/embedded_manifold.jl
index acb4ef9a..a1c538a2 100644
--- a/test/embedded_manifold.jl
+++ b/test/embedded_manifold.jl
@@ -418,5 +418,6 @@ ManifoldsBase.decorated_manifold(::FallbackManifold) = DefaultManifold(3)
         # test the explicit fallback to DefaultManifold(3)
         @test inner(M, [1, 0, 0], [1, 2, 3], [0, 1, 0]) == 2
         @test is_point(M, [1, 0, 0])
+        @test ManifoldsBase.allocate_result(M, exp, [1.0, 0.0, 2.0]) isa Vector
     end
 end