Use a local buffer in modf

Fix JuliaLang#21591
tpapp · Jul 27, 2017 · 2793748 · 2793748
1 parent 09dc2d5
commit 2793748
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/base/math.jl b/base/math.jl
@@ -724,16 +724,16 @@ julia> modf(3.5)
 """
 modf(x) = rem(x,one(x)), trunc(x)
 
-const _modff_temp = Ref{Float32}()
 function modf(x::Float32)
- f = ccall((:modff,libm), Float32, (Float32,Ptr{Float32}), x, _modff_temp)
- f, _modff_temp[]
+ temp = Ref{Float32}()
+ f = ccall((:modff, libm), Float32, (Float32, Ptr{Float32}), x, temp)
+ f, temp[]
 end
 
-const _modf_temp = Ref{Float64}()
 function modf(x::Float64)
- f = ccall((:modf,libm), Float64, (Float64,Ptr{Float64}), x, _modf_temp)
- f, _modf_temp[]
+ temp = Ref{Float64}()
+ f = ccall((:modf, libm), Float64, (Float64, Ptr{Float64}), x, temp)
+ f, temp[]
 end
 
 @inline function ^(x::Float64, y::Float64)