Add StaticArrays extension (#353)

* Add StaticArrays extension

* Bump patch version

* Add promote_op for matrix-matrix product

* Update runtests.jl

* Add Base.float dispatches for TaylorSeries types and variables

Project.toml

@@ -1,7 +1,7 @@
 name = "TaylorSeries"
 uuid = "6aa5eb33-94cf-58f4-a9d0-e4b2c4fc25ea"
 repo = "https://github.com/JuliaDiff/TaylorSeries.jl.git"
-version = "0.17.2"
+version = "0.17.3"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
@@ -11,9 +11,11 @@ SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 
 [weakdeps]
 IntervalArithmetic = "d1acc4aa-44c8-5952-acd4-ba5d80a2a253"
+StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 
 [extensions]
 TaylorSeriesIAExt = "IntervalArithmetic"
+TaylorSeriesSAExt = "StaticArrays"
 
 [compat]
 Aqua = "0.8"
@@ -22,6 +24,7 @@ LinearAlgebra = "<0.0.1, 1"
 Markdown = "<0.0.1, 1"
 Requires = "0.5.2, 1"
 SparseArrays = "<0.0.1, 1"
+StaticArrays = "1"
 Test = "<0.0.1, 1"
 julia = "1"
 
@@ -30,7 +33,8 @@ Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
 IntervalArithmetic = "d1acc4aa-44c8-5952-acd4-ba5d80a2a253"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
+StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["IntervalArithmetic", "LinearAlgebra", "SparseArrays", "Test", "Aqua"]
+test = ["IntervalArithmetic", "LinearAlgebra", "SparseArrays", "StaticArrays", "Test", "Aqua"]

ext/TaylorSeriesSAExt.jl

@@ -0,0 +1,14 @@
+module TaylorSeriesSAExt
+
+using TaylorSeries
+
+import Base.promote_op
+import LinearAlgebra: matprod
+
+isdefined(Base, :get_extension) ? (using StaticArrays) : (using ..StaticArrays)
+
+promote_op(::typeof(adjoint), ::Type{T}) where {T<:AbstractSeries} = T
+promote_op(::typeof(matprod), ::Type{T}, ::Type{U}) where {T <: AbstractSeries, U <: AbstractFloat} = T
+promote_op(::typeof(matprod), ::Type{T}, ::Type{T}) where {T <: AbstractSeries} = T
+
+end

src/TaylorSeries.jl

@@ -49,6 +49,8 @@ import Base: zero, one, zeros, ones, isinf, isnan, iszero, isless,
     power_by_squaring,
     rtoldefault, isfinite, isapprox, rad2deg, deg2rad
 
+import Base.float
+
 export Taylor1, TaylorN, HomogeneousPolynomial, AbstractSeries, TS
 
 export getcoeff, derivative, integrate, differentiate,
@@ -84,6 +86,9 @@ function __init__()
         @require IntervalArithmetic = "d1acc4aa-44c8-5952-acd4-ba5d80a2a253" begin
             include("../ext/TaylorSeriesIAExt.jl")
         end
+        @require StaticArrays = "90137ffa-7385-5640-81b9-e52037218182" begin
+            include("../ext/TaylorSeriesSAExt.jl")
+        end
     end
 end
 

src/conversion.jl

@@ -201,3 +201,12 @@ function promote(a::Taylor1{Taylor1{T}}, b::Taylor1{T}) where {T<:NumberNotSerie
 end
 promote(b::Taylor1{T}, a::Taylor1{Taylor1{T}}) where {T<:NumberNotSeriesN} =
     reverse(promote(a, b))
+
+# float
+float(::Type{Taylor1{T}}) where T<:Number = Taylor1{float(T)}
+float(::Type{HomogeneousPolynomial{T}}) where T<:Number = HomogeneousPolynomial{float(T)}
+float(::Type{TaylorN{T}}) where T<:Number = TaylorN{float(T)}
+
+float(x::Taylor1{T}) where T<:Number = convert(Taylor1{float(T)}, x)
+float(x::HomogeneousPolynomial{T}) where T<:Number = convert(HomogeneousPolynomial{float(T)}, x)
+float(x::TaylorN{T}) where T<:Number = convert(TaylorN{float(T)}, x)

test/manyvariables.jl

@@ -782,6 +782,15 @@ end
     # Lexicographic tests with 4 vars
     @test 1 > dx[1] > dx[2] > dx[3] > dx[4]
     @test dx[4]^2 < dx[3]*dx[4] < dx[3]^2 < dx[2]*dx[4] < dx[2]*dx[3] < dx[2]^2 < dx[1]*dx[4] < dx[1]*dx[3] < dx[1]*dx[2] < dx[1]^2
+
+    @testset "Test Base.float overloads for HomogeneousPolynomial and TaylorN" begin
+        @test float(HomogeneousPolynomial(-7, 2)) == HomogeneousPolynomial(-7.0, 2)
+        @test float(HomogeneousPolynomial(1+im, 2)) == HomogeneousPolynomial(float(1+im), 2)
+        @test float(TaylorN(Int, 2)) == TaylorN(2)
+        @test float(TaylorN(Complex{Rational}, 2)) == TaylorN(float(Complex{Rational}), 2)
+        @test float(HomogeneousPolynomial{Complex{Int}}) == float(HomogeneousPolynomial{Complex{Float64}})
+        @test float(TaylorN{Complex{Rational}}) == float(TaylorN{Complex{Float64}})
+    end
 end
 
 @testset "Integrate for several variables" begin

test/mixtures.jl

@@ -495,6 +495,17 @@ using Test
     two = 2one(x[0])
     @test two/x == 2/x == 2.0/x
     @test (2one(x))/x == 2/x
+
+    @testset "Test Base.float overloads for Taylor1 and TaylorN mixtures" begin
+        q = get_variables(Int)
+        x1N = Taylor1(q)
+        @test float(x1N) == Taylor1(float.(q))
+        xN1 = convert(TaylorN{Taylor1{Int}}, x1N)
+        @test float(xN1) == convert(TaylorN{Taylor1{Float64}}, Taylor1(float.(q)))
+        @test float(Taylor1{TaylorN{Int}}) == Taylor1{TaylorN{Float64}}
+        @test float(TaylorN{Taylor1{Int}}) == TaylorN{Taylor1{Float64}}
+        @test float(TaylorN{Taylor1{Complex{Int}}}) == TaylorN{Taylor1{Complex{Float64}}}
+    end
 end
 
 @testset "Tests with nested Taylor1s" begin

test/onevariable.jl

@@ -625,6 +625,17 @@ Base.iszero(::SymbNumber) = false
     # Test fallback pretty_print
     st = Taylor1([SymbNumber(:x₀), SymbNumber(:x₁)])
     @test string(st) == " SymbNumber(:x₀) + SymbNumber(:x₁) t + 𝒪(t²)"
+
+    @testset "Test Base.float overloads for Taylor1" begin
+        @test float(Taylor1(-3, 2)) == Taylor1(-3.0, 2)
+        @test float(Taylor1(-1//2, 2)) == Taylor1(-0.5, 2)
+        @test float(Taylor1(3 - 0im, 2)) == Taylor1(3.0 - 0.0im, 2)
+        x = Taylor1(rand(5))
+        @test float(x) == x
+        @test float(Taylor1{Int32}) == Taylor1{Float64}
+        @test float(Taylor1{Int}) == Taylor1{Float64}
+        @test float(Taylor1{Complex{Int}}) == Taylor1{ComplexF64}
+    end
 end
 
 @testset "Test inv for Matrix{Taylor1{Float64}}" begin

test/runtests.jl

@@ -3,15 +3,15 @@
 # Tests for TaylorSeries
 
 testfiles = (
-    "aqua.jl",
     "onevariable.jl",
     "manyvariables.jl",
     "mixtures.jl",
     "mutatingfuncts.jl",
     "intervals.jl",
     "broadcasting.jl",
     "identities_Euler.jl",
-    "fateman40.jl"
+    "fateman40.jl",
+    "staticarrays.jl"
     )
 
 for file in testfiles

test/staticarrays.jl

@@ -0,0 +1,20 @@
+# This file is part of TaylorSeries.jl, MIT licensed
+#
+
+using TaylorSeries, StaticArrays
+
+using Test
+# eeuler = Base.MathConstants.e
+
+@testset "Tests TaylorSeries operations over StaticArrays types" begin
+    q = set_variables("q", order=2, numvars=2)
+    m = @SMatrix fill(Taylor1(rand(2).*q), 3, 3)
+    mt = m'
+    @test m isa SMatrix{3, 3, Taylor1{TaylorN{Float64}}, 9}
+    @test mt isa SMatrix{3, 3, Taylor1{TaylorN{Float64}}, 9}
+    v = @SVector [-1.1, 3.4, 7.62345e-1]
+    mtv = mt * v
+    @test mtv isa SVector{3, Taylor1{TaylorN{Float64}}}
+    mmt = m * mt
+    @test mmt isa SMatrix{3, 3, Taylor1{TaylorN{Float64}}, 9}
+end