Add default values for parametric constructor

trthatcher · Jan 4, 2019 · ac987eb · ac987eb
1 parent 893bd5a
commit ac987eb
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Showing 4 changed files with 8 additions and 8 deletions.
diff --git a/src/kernelfunctions/mercer/rationalquadratic.jl b/src/kernelfunctions/mercer/rationalquadratic.jl
@@ -95,9 +95,9 @@ struct GammaRationalQuadraticKernel{T<:AbstractFloat} <: AbstractRationalQuadrat
     β::T
     γ::T
     function GammaRationalQuadraticKernel{T}(
-            α::Real,
-            β::Real,
-            γ::Real
+            α::Real=T(1),
+            β::Real=T(1),
+            γ::Real=T(1)
         ) where {T<:AbstractFloat}
         @check_args(GammaRationalQuadraticKernel, α, α > zero(T), "α > 0")
         @check_args(GammaRationalQuadraticKernel, β, β > zero(T), "β > 0")

diff --git a/src/kernelfunctions/negativedefinite/log.jl b/src/kernelfunctions/negativedefinite/log.jl
@@ -24,7 +24,7 @@ LogKernel{Float64}(0.5,0.5)
 struct LogKernel{T<:AbstractFloat} <: NegativeDefiniteKernel{T}
     α::T
     γ::T
-    function LogKernel{T}(α::Real, γ::Real) where {T<:AbstractFloat}
+    function LogKernel{T}(α::Real=T(1), γ::Real=T(1)) where {T<:AbstractFloat}
         @check_args(LogKernel, α, α > zero(T), "α > 0")
         @check_args(LogKernel, γ, one(T) >= γ > zero(T), "γ ∈ (0,1]")
         return new{T}(α, γ)

diff --git a/src/kernelfunctions/negativedefinite/power.jl b/src/kernelfunctions/negativedefinite/power.jl
@@ -19,12 +19,12 @@ PowerKernel{Float32}(0.5)
 """
 struct PowerKernel{T<:AbstractFloat} <: NegativeDefiniteKernel{T}
     γ::T
-    function PowerKernel{T}(γ::Real) where {T<:AbstractFloat}
+    function PowerKernel{T}(γ::Real=T(1)) where {T<:AbstractFloat}
         @check_args(PowerKernel, γ, one(T) >= γ > zero(T), "γ ∈ (0,1]")
         new{T}(γ)
     end
 end
-PowerKernel(γ::T = 1.0) where {T<:Real} = PowerKernel{promote_float(T)}(γ)
+PowerKernel(γ::T=1.0) where {T<:Real} = PowerKernel{promote_float(T)}(γ)
 
 @inline basefunction(::PowerKernel) = SquaredEuclidean()
 

diff --git a/src/kernelfunctions/sigmoid.jl b/src/kernelfunctions/sigmoid.jl
@@ -22,13 +22,13 @@ SigmoidKernel{Float64}(0.5,0.5)
 struct SigmoidKernel{T<:AbstractFloat} <: Kernel{T}
     a::T
     c::T
-    function SigmoidKernel{T}(a::Real, c::Real) where {T<:AbstractFloat}
+    function SigmoidKernel{T}(a::Real=T(1), c::Real=T(1)) where {T<:AbstractFloat}
         @check_args(SigmoidKernel, a, a >  zero(T), "a > 0")
         @check_args(SigmoidKernel, c, c >= zero(T), "c ≧ 0")
         return new{T}(a, c)
     end
 end
-function SigmoidKernel(a::T₁ = 1.0, c::T₂ = T₁(1)) where {T₁<:Real,T₂<:Real}
+function SigmoidKernel(a::T₁=1.0, c::T₂=T₁(1)) where {T₁<:Real,T₂<:Real}
     SigmoidKernel{promote_float(T₁,T₂)}(a,c)
 end