Updated show function according to @devmotion

Author: theogf

src/basekernels/constant.jl

@@ -59,4 +59,4 @@ kappa(κ::ConstantKernel,x::Real) = first(κ.c)*one(x)
 
 metric(::ConstantKernel) = Delta()
 
-Base.show(io::IO, κ::ConstantKernel) = print(io, "Constant Kernel (c = $(first(κ.c)))")
+Base.show(io::IO, κ::ConstantKernel) = print(io, "Constant Kernel (c = ", first(κ.c), ")")

src/basekernels/exponential.jl

@@ -63,4 +63,4 @@ kappa(κ::GammaExponentialKernel, d²::Real) = exp(-d²^first(κ.γ))
 iskroncompatible(::GammaExponentialKernel) = true
 metric(::GammaExponentialKernel) = SqEuclidean()
 
-Base.show(io::IO, κ::GammaExponentialKernel) = print(io, "Gamma Exponential Kernel (γ = $(first(κ.γ)))")
+Base.show(io::IO, κ::GammaExponentialKernel) = print(io, "Gamma Exponential Kernel (γ = ", first(κ.γ), ")")

src/basekernels/gabor.jl

@@ -30,7 +30,7 @@ function _gabor(; ell = nothing, p = nothing)
 end
 
 function Base.getproperty(k::GaborKernel, v::Symbol)
-    if v == :kernel 
+    if v == :kernel
         return getfield(k, v)
     elseif v == :ell
         kernel1 = k.kernel.kernels[1]
@@ -51,7 +51,7 @@ function Base.getproperty(k::GaborKernel, v::Symbol)
     end
 end
 
-Base.show(io::IO, κ::GaborKernel) = print(io, "Gabor Kernel (ell = $(κ.ell), p = $(κ.p))")
+Base.show(io::IO, κ::GaborKernel) = print(io, "Gabor Kernel (ell = ", κ.ell, ", p = ", κ.p, ")")
 
 kappa(κ::GaborKernel, x, y) = kappa(κ.kernel, x ,y)
 

src/basekernels/matern.jl

@@ -27,7 +27,7 @@ end
 
 metric(::MaternKernel) = Euclidean()
 
-Base.show(io::IO, κ::MaternKernel) = print(io, "Matern Kernel (ν = $(first(κ.ν)))")
+Base.show(io::IO, κ::MaternKernel) = print(io, "Matern Kernel (ν = ", first(κ.ν), ")")
 
 """
     Matern32Kernel()

src/basekernels/periodic.jl

@@ -24,4 +24,4 @@ metric(κ::PeriodicKernel) = Sinus(κ.r)
 
 kappa(κ::PeriodicKernel, d::Real) = exp(- 0.5d)
 
-Base.show(io::IO, κ::PeriodicKernel) = print(io, "Periodic Kernel, length(r) = $(length(κ.r))")
+Base.show(io::IO, κ::PeriodicKernel) = print(io, "Periodic Kernel, length(r) = ", length(κ.r), ")")

src/basekernels/polynomial.jl

@@ -17,7 +17,7 @@ end
 kappa(κ::LinearKernel, xᵀy::Real) = xᵀy + first(κ.c)
 metric(::LinearKernel) = DotProduct()
 
-Base.show(io::IO, κ::LinearKernel) = print(io, "Linear Kernel (c = $(first(κ.c)))")
+Base.show(io::IO, κ::LinearKernel) = print(io, "Linear Kernel (c = ", first(κ.c), ")")
 
 """
     PolynomialKernel(; d = 2.0, c = 0.0)
@@ -40,4 +40,4 @@ end
 kappa(κ::PolynomialKernel, xᵀy::T) where {T<:Real} = (xᵀy + first(κ.c))^(first(κ.d))
 metric(::PolynomialKernel) = DotProduct()
 
-Base.show(io::IO, κ::PolynomialKernel) = print(io, "Polynomial Kernel (c = $(first(κ.c)), d = $(first(κ.d)))")
+Base.show(io::IO, κ::PolynomialKernel) = print(io, "Polynomial Kernel (c = ", first(κ.c), ", d = ", first(κ.d), ")")

src/basekernels/rationalquad.jl

@@ -18,7 +18,7 @@ end
 kappa(κ::RationalQuadraticKernel, d²::T) where {T<:Real} = (one(T)+d²/first(κ.α))^(-first(κ.α))
 metric(::RationalQuadraticKernel) = SqEuclidean()
 
-Base.show(io::IO, κ::RationalQuadraticKernel) = print(io, "Rational Quadratic Kernel (α = $(first(κ.α)))")
+Base.show(io::IO, κ::RationalQuadraticKernel) = print(io, "Rational Quadratic Kernel (α = ", first(κ.α), ")")
 
 """
 `GammaRationalQuadraticKernel([ρ=1.0[,α=2.0[,γ=2.0]]])`
@@ -41,4 +41,4 @@ end
 kappa(κ::GammaRationalQuadraticKernel, d²::T) where {T<:Real} = (one(T)+d²^first(κ.γ)/first(κ.α))^(-first(κ.α))
 metric(::GammaRationalQuadraticKernel) = SqEuclidean()
 
-Base.show(io::IO, κ::GammaRationalQuadraticKernel) = print(io, "Gamma Rational Quadratic Kernel (α = $(first(κ.α)), γ = $(first(κ.γ)))")
+Base.show(io::IO, κ::GammaRationalQuadraticKernel) = print(io, "Gamma Rational Quadratic Kernel (α = ", first(κ.α), ", γ = ", first(κ.γ), ")")

src/transform/ardtransform.jl

@@ -49,4 +49,4 @@ _transform(
 Base.isequal(t::ARDTransform, t2::ARDTransform) = isequal(t.v, t2.v)
 
 Base.show(io::IO, t::ARDTransform) =
-    print(io, "ARD Transform (dims : $(dim(t)))")
+    print(io, "ARD Transform (dims: ", dim(t),")")

test/basekernels/periodic.jl

@@ -6,5 +6,5 @@
     @test k(v1, v2) ≈ exp(-0.5 * sum(abs2, sinpi.(v1 - v2) ./ r))
     @test k(v1, v2) == k(v2, v1)
     @test PeriodicKernel(3)(v1, v2) == PeriodicKernel(r = ones(3))(v1, v2)
-    @test repr(k) == "Periodic Kernel, length(r) = $(length(r))"
+    @test repr(k) == "Periodic Kernel, length(r) = $(length(r)))"
 end

test/transform/ardtransform.jl

@@ -14,5 +14,5 @@
     @test all(vt1.v .== newv1)
     @test ARDTransform(s,dims[2]).v == ARDTransform(s*ones(dims[2])).v
     @test_throws DimensionMismatch KernelFunctions.apply(vt1,rand(3,4))
-    @test repr(vt1) == "ARD Transform (dims : $(dims[2]))"
+    @test repr(vt1) == "ARD Transform (dims: $(dims[2]))"
 end