Remove some unused things, mainly to re-trigger gh actions

Project.toml

@@ -8,9 +8,7 @@ ArrayAllocators = "c9d4266f-a5cb-439d-837c-c97b191379f5"
 DiffEqBase = "2b5f629d-d688-5b77-993f-72d75c75574e"
 DiffEqCallbacks = "459566f4-90b8-5000-8ac3-15dfb0a30def"
 DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
-ExponentialUtilities = "d4d017d3-3776-5f7e-afef-a10c40355c18"
 FastBroadcast = "7034ab61-46d4-4ed7-9d0f-46aef9175898"
-FastGaussQuadrature = "442a2c76-b920-505d-bb47-c5924d526838"
 FillArrays = "1a297f60-69ca-5386-bcde-b61e274b549b"
 FiniteHorizonGramians = "b59a298d-d283-4a37-9369-85a9f9a111a5"
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
@@ -29,7 +27,6 @@ RecursiveArrayTools = "731186ca-8d62-57ce-b412-fbd966d074cd"
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 SciMLBase = "0bca4576-84f4-4d90-8ffe-ffa030f20462"
 SimpleUnPack = "ce78b400-467f-4804-87d8-8f486da07d0a"
-SpecialMatrices = "928aab9d-ef52-54ac-8ca1-acd7ca42c160"
 StaticArrayInterface = "0d7ed370-da01-4f52-bd93-41d350b8b718"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 StructArrays = "09ab397b-f2b6-538f-b94a-2f83cf4a842a"
@@ -54,9 +51,7 @@ DiffEqBase = "6.122"
 DiffEqCallbacks = "2.36"
 DiffEqDevTools = "2"
 DocStringExtensions = "0.9"
-ExponentialUtilities = "1"
 FastBroadcast = "0.2"
-FastGaussQuadrature = "0.5, 1"
 FillArrays = "1.9"
 FiniteHorizonGramians = "0.2"
 ForwardDiff = "0.10"
@@ -75,7 +70,6 @@ RecursiveArrayTools = "2, 3"
 Reexport = "1"
 SciMLBase = "1.90, 2"
 SimpleUnPack = "1"
-SpecialMatrices = "3"
 StaticArrayInterface = "1.3"
 Statistics = "1"
 StructArrays = "0.4, 0.5, 0.6"

src/ProbNumDiffEq.jl

@@ -16,7 +16,7 @@ using Reexport
 import SciMLBase
 import SciMLBase: interpret_vars, getsyms, remake
 using OrdinaryDiffEq
-using SpecialMatrices, ToeplitzMatrices
+using ToeplitzMatrices
 using FastBroadcast
 using StaticArrayInterface
 using FunctionWrappersWrappers
@@ -25,9 +25,7 @@ using TaylorSeries, TaylorIntegration
 using SimpleUnPack
 using RecursiveArrayTools
 using ForwardDiff
-using ExponentialUtilities
 using Octavian
-using FastGaussQuadrature
 import Kronecker
 using ArrayAllocators
 using FiniteHorizonGramians

src/priors/ltisde.jl

@@ -65,39 +65,3 @@ function matrix_fraction_decomposition(
     Q = Mexp[1:d, d+1:end] * A'
     return A, Q
 end
-
-# Previous implementation, outdated thanks to FiniteHorizonGramians.jl:
-function _discretize_sqrt_with_quadraturetrick(sde::LTISDE, dt::Real)
-    F, L = drift(sde), dispersion(sde)
-
-    D = size(F, 1)
-    d = size(L, 2)
-    N = D # more robust than Int(D / d)
-    R = similar(F, N * d, D)
-    method = ExpMethodHigham2005()
-    expcache = ExponentialUtilities.alloc_mem(F, method)
-
-    Ah = exponential!(dt * F, method, expcache)
-
-    chol_integrand(τ) = begin
-        E = exponential!((dt - τ) * F', method, expcache)
-        L'E
-    end
-    nodes, weights = gausslegendre(N)
-    b, a = dt, 0
-    @. nodes = (b - a) / 2 * nodes + (a + b) / 2
-    @. weights = (b - a) / 2 * weights
-    @simd ivdep for i in 1:N
-        R[(i-1)*d+1:i*d, 1:D] .= sqrt(weights[i]) .* chol_integrand(nodes[i])
-    end
-
-    M = R'R |> Symmetric
-    chol = cholesky!(M, check=false)
-    Qh_R = if issuccess(chol)
-        chol.U |> Matrix
-    else
-        qr!(R).R |> Matrix
-    end
-
-    return Ah, Qh_R
-end

test/Project.toml

@@ -25,4 +25,3 @@ TimerOutputs = "a759f4b9-e2f1-59dc-863e-4aeb61b1ea8f"
 
 [compat]
 Aqua = "0.8.2"
-DiffEqDevTools = "2.44.1"