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.github/workflows/Downgrade.yml

@@ -0,0 +1,29 @@
+name: Downgrade
+on:
+  pull_request:
+    branches:
+      - master
+    paths-ignore:
+      - 'docs/**'
+  push:
+    branches:
+      - master
+    paths-ignore:
+      - 'docs/**'
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        version: ['1']
+    steps:
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.version }}
+      - uses: cjdoris/julia-downgrade-compat-action@v1
+#        if: ${{ matrix.version == '1.6' }}
+        with:
+          skip: Pkg,TOML
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1

Project.toml

@@ -15,18 +15,29 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
 [compat]
-Distributions = "0.21, 0.22, 0.23, 0.24, 0.25"
+Aqua = "0.8"
+Cubature = "1.5"
+Distributions = "0.25.71"
 ExtendableSparse = "1"
-Flux = "0.12, 0.13"
-GLM = "1.3"
+Flux = "0.13"
+ForwardDiff = "0.10.19"
+GLM = "1.5"
 IterativeSolvers = "0.9"
-PolyChaos = "0.2"
-QuasiMonteCarlo = "0.3"
-Statistics = "1"
-Zygote = "0.4, 0.5, 0.6"
-julia = "1.9"
+LinearAlgebra = "1.10"
+PolyChaos = "0.2.5"
+Pkg = "1"
+QuadGK = "2.4"
+QuasiMonteCarlo = "0.3.1"
+SafeTestsets = "0.1"
+SparseArrays = "1.10"
+Statistics = "1.10"
+Test = "1"
+Tracker = "0.2.18"
+Zygote = "0.6.62"
+julia = "1.10"
 
 [extras]
+Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
 Cubature = "667455a9-e2ce-5579-9412-b964f529a492"
 Flux = "587475ba-b771-5e3f-ad9e-33799f191a9c"
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
@@ -38,4 +49,4 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Tracker = "9f7883ad-71c0-57eb-9f7f-b5c9e6d3789c"
 
 [targets]
-test = ["Cubature", "SafeTestsets", "Flux", "ForwardDiff", "PolyChaos", "QuadGK", "Test", "Tracker", "Pkg"]
+test = ["Aqua", "Cubature", "SafeTestsets", "Flux", "ForwardDiff", "PolyChaos", "QuadGK", "Test", "Tracker", "Pkg"]

src/Optimization.jl

@@ -2045,7 +2045,7 @@ function surrogate_optimize(obj, rtea::RTEA, lb, ub, surrRTEAND::AbstractSurroga
     return pareto_set, pareto_front
 end
 
-function surrogate_optimize(obj::Function, ::EI, lb, ub, krig, sample_type::SectionSample;
+function surrogate_optimize(obj::Function, ::EI, lb::AbstractArray, ub::AbstractArray, krig, sample_type::SectionSample;
         maxiters = 100, num_new_samples = 100)
     dtol = 1e-3 * norm(ub - lb)
     eps = 0.01

src/Radials.jl

@@ -1,7 +1,8 @@
 using LinearAlgebra
 using ExtendableSparse
 
-Base.copy(t::Tuple) = t
+_copy(t::Tuple) = t
+_copy(t) = copy(t)
 
 mutable struct RadialBasis{F, Q, X, Y, L, U, C, S, D} <: AbstractSurrogate
     phi::F
@@ -58,9 +59,9 @@
     D = _construct_rbf_interp_matrix(x, first(x), lb, ub, phi, q, scale_factor, sparse)
     Y = _construct_rbf_y_matrix(y, first(y), length(y) + num_poly_terms)
     if (typeof(y) == Vector{Float64}) #single output case
-        coeff = copy(transpose(D \ y))
+        coeff = _copy(transpose(D \ y))
     else
-        coeff = copy(transpose(D \ Y[1:size(D)[1], :])) #if y is multi output;
+        coeff = _copy(transpose(D \ Y[1:size(D)[1], :])) #if y is multi output;
     end
     return coeff
 end

src/Surrogates.jl

@@ -89,7 +89,7 @@ export LobachevskyStructure,
     SecondOrderPolynomialStructure
 export WendlandStructure
 export AbstractSurrogate, SamplingAlgorithm
-export Kriging, RadialBasis, add_point!, current_estimate, std_error_at_point
+export Kriging, RadialBasis, add_point!, std_error_at_point
 # Parallelization Strategies
 export potential_optimal_points
 export MinimumConstantLiar, MaximumConstantLiar, MeanConstantLiar, KrigingBeliever,
@@ -104,10 +104,9 @@ export sample, GridSample, RandomSample, SobolSample, LatinHypercubeSample,
 export RandomSample, KroneckerSample, GoldenSample, SectionSample
 
 # Optimization algorithms
-export SRBF, LCBS, EI, DYCORS, SOP, EGO, RTEA, SMB, surrogate_optimize
+export SRBF, LCBS, EI, DYCORS, SOP, RTEA, SMB, surrogate_optimize
 export LobachevskySurrogate, lobachevsky_integral, lobachevsky_integrate_dimension
 export LinearSurrogate
-export SVMSurrogate
 export InverseDistanceSurrogate
 export SecondOrderPolynomialSurrogate
 export Wendland

test/qa.jl

@@ -0,0 +1,11 @@
+using Surrogates, Aqua
+@testset "Aqua" begin
+    Aqua.find_persistent_tasks_deps(Surrogates)
+    Aqua.test_ambiguities(Surrogates, recursive = false)
+    Aqua.test_deps_compat(Surrogates)
+    Aqua.test_piracies(Surrogates)
+    Aqua.test_project_extras(Surrogates)
+    Aqua.test_stale_deps(Surrogates)
+    Aqua.test_unbound_args(Surrogates)
+    Aqua.test_undefined_exports(Surrogates)
+end

test/runtests.jl

@@ -2,14 +2,16 @@ using Surrogates
 using Test
 using SafeTestsets
 using Pkg
-VERSION <= v"1.7" && Pkg.add(name = "Statistics", version = VERSION)
 
 function dev_subpkg(subpkg)
     subpkg_path = joinpath(dirname(@__DIR__), "lib", subpkg)
     Pkg.develop(PackageSpec(path = subpkg_path))
 end
 
 @testset "Surrogates" begin
+    @safetestset "Quality Assurance" begin
+        include("qa.jl")
+    end
     @testset "Libs" begin
         @testset "$pkg" for pkg in [
             "SurrogatesAbstractGPs", "SurrogatesFlux",