From c6bc215a6c7d8f9ec083b75084433a13ee837751 Mon Sep 17 00:00:00 2001
From: hyrodium <hyrodium@gmail.com>
Date: Sat, 17 Sep 2022 03:14:43 +0900
Subject: [PATCH] update quat(::Array) to return Array{<:Quaternion}

---
 src/Quaternion.jl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Quaternion.jl b/src/Quaternion.jl
index 60872785..1f682564 100644
--- a/src/Quaternion.jl
+++ b/src/Quaternion.jl
@@ -45,6 +45,12 @@ quat(p, v1, v2, v3) = Quaternion(p, v1, v2, v3)
 quat(p, v1, v2, v3, n) = Quaternion(p, v1, v2, v3, n)
 quat(x) = Quaternion(x)
 quat(s, a) = Quaternion(s, a)
+function quat(A::AbstractArray{T}) where T
+    if !isconcretetype(T)
+        error("`quat` not defined on abstractly-typed arrays; please convert to a more specific type")
+    end
+    convert(AbstractArray{typeof(quat(zero(T)))}, A)
+end
 
 real(::Type{Quaternion{T}}) where {T} = T
 real(q::Quaternion) = q.s