realmin/realmax are now floatmin/floatmax (#607)

README.md

@@ -432,6 +432,8 @@ Currently, the `@compat` macro supports the following syntaxes:
 
 * `atan2` is now a 2-argument method of `atan` ([#27253]).
 
+* `realmin` and `realmax` are now `floatmin` and `floatmax` ([#28302])
+
 ## New macros
 
 * `@__DIR__` has been added ([#18380])
@@ -668,3 +670,4 @@ includes this fix. Find the minimum version from there.
 [#27711]: https://github.com/JuliaLang/julia/issues/27711
 [#27828]: https://github.com/JuliaLang/julia/issues/27828
 [#27834]: https://github.com/JuliaLang/julia/issues/27834
+[#28302]: https://github.com/JuliaLang/julia/issues/28302

src/Compat.jl

@@ -2004,6 +2004,13 @@ if VERSION < v"0.7.0-beta.73"
         mapslices(f, A, dims)
 end
 
+# https://github.com/JuliaLang/julia/pull/28302
+if VERSION < v"0.7.0-beta2.169"
+    const floatmin = realmin
+    const floatmax = realmax
+    export floatmin, floatmax
+end
+
 include("deprecated.jl")
 
 end # module Compat

test/runtests.jl

@@ -1930,4 +1930,9 @@ let a = rand(5,5)
     end
 end
 
+# 0.7.0-beta2.169
+@test floatmin(Float16) == @eval $(Core.Intrinsics.bitcast(Float16, 0x0400))
+@test floatmax(Float32) == @eval $(Core.Intrinsics.bitcast(Float32, 0x7f7fffff))
+@test floatmin(zero(Float64)) == floatmin(Float64)
+
 nothing