Revert "add SpecialFunctions to [deps] (#35)"

This reverts commit cbbded4.

Author: RalphAS

Project.toml

@@ -7,7 +7,7 @@ julia = "1.0"
 
 [deps]
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
-SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
+Requires = "ae029012-a4dd-5104-9daa-d747884805df"
 
 [extras]
 Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"

src/Quadmath.jl

@@ -1,4 +1,5 @@
 module Quadmath
+using Requires
 
 export Float128, ComplexF128, Inf128
 
@@ -105,6 +106,12 @@ reinterpret(::Type{Int128}, x::Float128) =
 reinterpret(::Type{Float128}, x::Int128) =
     reinterpret(Float128, reinterpret(UInt128, x))
 
+function __init__()
+    @require SpecialFunctions="276daf66-3868-5448-9aa4-cd146d93841b" begin
+        include("specfun.jl")
+    end
+end
+
 
 sign_mask(::Type{Float128}) =        0x8000_0000_0000_0000_0000_0000_0000_0000
 exponent_mask(::Type{Float128}) =    0x7fff_0000_0000_0000_0000_0000_0000_0000
@@ -579,7 +586,6 @@ end
 print(io::IO, b::Float128) = print(io, string(b))
 show(io::IO, b::Float128) = print(io, string(b))
 
-include("specfun.jl")
 include("printf.jl")
 
 end # module Quadmath

test/runtests.jl

@@ -1,5 +1,5 @@
-using Quadmath, SpecialFunctions
-using Random, Test
+using Test, Random
+using Quadmath
 
 @testset "fp decomp" begin
     y = Float128(2.0)

test/specfun.jl

@@ -1,12 +1,12 @@
+using SpecialFunctions
+
 @testset "special functions" begin
     # The intention here is not to check the accuracy of the libraries,
     # rather the sanity of library calls:
     piq = Float128(pi)
     halfq = Float128(0.5)
     @test gamma(halfq) ≈ sqrt(piq)
-    for func in (erf, erfc, 
-                 besselj0, besselj1, 
-                 bessely0, bessely1, lgamma)
+    for func in (erf, erfc, besselj0, besselj1, bessely0, bessely1, lgamma)
         @test func(halfq) ≈ func(0.5)
     end
     for func in (bessely, besselj)