From 125537ad28b8eefd130186ca031058574b384b6e Mon Sep 17 00:00:00 2001
From: Tim Holy <tim.holy@gmail.com>
Date: Thu, 3 Mar 2022 10:40:36 -0600
Subject: [PATCH] Add AbstractFloat constructors (#25)

Amazing that the lack of this method has not been noticed previously.
---
 src/Ratios.jl    | 2 ++
 test/runtests.jl | 6 +++---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/Ratios.jl b/src/Ratios.jl
index 0e3ebd2..7566d25 100644
--- a/src/Ratios.jl
+++ b/src/Ratios.jl
@@ -53,6 +53,8 @@ function convert(::Type{T}, r::SimpleRatio{S}) where {T<:AbstractFloat,S}
     P = promote_type(T,S)
     convert(T, convert(P, r.num)/convert(P, r.den))
 end
+(::Type{T})(r::SimpleRatio) where T<:AbstractFloat = convert(T, r)
+
 SimpleRatio{T}(i::Integer) where {T<:Integer} = SimpleRatio{T}(convert(T, i), oneunit(T))
 SimpleRatio{T}(r::Rational{S}) where {T<:Integer, S<:Integer} = SimpleRatio(convert(T, r.num), convert(T, r.den))
 Rational{T}(r::SimpleRatio{S}) where {T<:Integer, S<:Integer} = convert(T, r.num) // convert(T, r.den)
diff --git a/test/runtests.jl b/test/runtests.jl
index 3b45b49..99ea2ef 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -3,9 +3,9 @@ using FixedPointNumbers
 
 @testset "SimpleRatio" begin
     r = SimpleRatio(1,2)
-    @test convert(Float64, r) == 0.5
-    @test convert(Float32, r) == 0.5f0
-    @test convert(BigFloat, r) == BigFloat(1)/2
+    @test convert(Float64, r) === Float64(r) === 0.5
+    @test convert(Float32, r) === Float32(r) === 0.5f0
+    @test convert(BigFloat, r) == BigFloat(r) == BigFloat(1)/2
 
     r2 = SimpleRatio(2,3)
     @test r*r2 == SimpleRatio(2,6) == SimpleRatio(1,3)