Fix #30944, ranges with non-IEEEFloat types (#30952)

JuliaLang · Jul 5, 2019 · b2ac7a3 · b2ac7a3
1 parent cd79fe6
commit b2ac7a3
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diff --git a/base/range.jl b/base/range.jl
@@ -108,6 +108,8 @@ _range(a::Real,          st::AbstractFloat, ::Nothing, len::Integer) = _range(fl
 _range(a::AbstractFloat, st::Real,          ::Nothing, len::Integer) = _range(a, float(st),      nothing, len)
 _range(a,                ::Nothing,         ::Nothing, len::Integer) = _range(a, oftype(a-a, 1), nothing, len)
 
+_range(a::T, step::T, ::Nothing, len::Integer) where {T <: AbstractFloat} =
+    _rangestyle(OrderStyle(T), ArithmeticStyle(T), a, step, len)
 _range(a::T, step, ::Nothing, len::Integer) where {T} =
     _rangestyle(OrderStyle(T), ArithmeticStyle(T), a, step, len)
 _rangestyle(::Ordered, ::ArithmeticWraps, a::T, step::S, len::Integer) where {T,S} =

diff --git a/test/ranges.jl b/test/ranges.jl
@@ -1512,3 +1512,10 @@ end
                                             Base.TwicePrecision(-1.0, -0.0), 0)
     @test reverse(reverse(1.0:0.0)) === 1.0:0.0
 end
+
+@testset "Issue #30944 ranges with non-IEEEFloat types" begin
+    # We want to test the creation of a range with BigFloat start or step
+    @test range(big(1.0), length=10) == big(1.0):1:10
+    @test range(1, step = big(1.0), length=10) == big(1.0):1:10
+    @test range(1.0, step = big(1.0), length=10) == big(1.0):1:10
+end