Fix issue #39

JuliaDiff · May 24, 2022 · 8385e71 · 8385e71
1 parent 66065e9
commit 8385e71
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Showing 3 changed files with 4 additions and 1 deletion.
diff --git a/Project.toml b/Project.toml
@@ -1,7 +1,7 @@
 name = "HyperDualNumbers"
 uuid = "50ceba7f-c3ee-5a84-a6e8-3ad40456ec97"
 authors = ["Rob J Goedman <[email protected]>"]
-version = "4.0.8"
+version = "4.0.9"
 
 [deps]
 Calculus = "49dc2e85-a5d0-5ad3-a950-438e2897f1b9"

diff --git a/src/hyperdual.jl b/src/hyperdual.jl
@@ -8,6 +8,7 @@ struct Hyper{T<:ReComp} <: Number
 end
 Hyper(x::S, y::T, z::U, w::V) where {S<:ReComp,T<:ReComp,U<:ReComp,V<:ReComp} = Hyper(promote(x,y,z,w)...)
 Hyper(x::ReComp) = Hyper(x, zero(x), zero(x), zero(x))
+Hyper{T}(x::ReComp) where T<:ReComp = Hyper{T}(T(x), zero(T), zero(T), zero(T))
 
 """
 Creation of a HyperDualNumber

diff --git a/test/test_basics.jl b/test/test_basics.jl
@@ -15,6 +15,8 @@ hd9 = hyper(-1.0, -2.0, -3.0, -4.0)
 
 hdNaN = hyper(0/0)
 
+hd_from_f32 = Hyper{Float64}(1f2)
+
 # Addition and subtraction
 @test ε₁part(hd1) == 0.0
 @test isequal(hd1 + hd2, hyper(2.0, 2.0, 3.0, 4.0))