remove old fallbacks for subtype Real (#39564)

remove redundant Float16 methods for log2, log10, sqrt, and cbrt, replaced in #39537
JuliaLang · Feb 8, 2021 · fd43841 · fd43841
1 parent 4c5d62b
commit fd43841
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Showing 2 changed files with 1 addition and 3 deletions.
diff --git a/base/math.jl b/base/math.jl
@@ -534,7 +534,6 @@ for f in (:log2, :log10)
     @eval begin
         @inline ($f)(x::Float64) = nan_dom_err(ccall(($(string(f)), libm), Float64, (Float64,), x), x)
         @inline ($f)(x::Float32) = nan_dom_err(ccall(($(string(f, "f")), libm), Float32, (Float32,), x), x)
-        @inline ($f)(x::Real) = ($f)(float(x))
     end
 end
 
@@ -565,7 +564,7 @@ julia> sqrt(big(complex(-81)))
 0.0 + 9.0im
 ```
 """
-sqrt(x::Real) = sqrt(float(x))
+sqrt(x)
 
 """
     hypot(x, y)

diff --git a/base/special/cbrt.jl b/base/special/cbrt.jl
@@ -31,7 +31,6 @@ julia> cbrt(big(-27))
 -3.0
 ```
 """
-cbrt(x::Real) = cbrt(float(x))
 cbrt(x::AbstractFloat) = x < 0 ? -(-x)^(1//3) : x^(1//3)
 
 """
-Original file line number
+Diff line change
@@ Expand Up / @@ -31,7 +31,6 @@ julia> cbrt(big(-27)) @@
     -3.0
     ```
     """
-    cbrt(x::Real) = cbrt(float(x))
     cbrt(x::AbstractFloat) = x < 0 ? -(-x)^(1//3) : x^(1//3)
     """
@@ Expand Down @@