Reference signbit from cispi and vice versa

JuliaLang · May 11, 2020 · a5e3bfa · a5e3bfa
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diff --git a/base/complex.jl b/base/complex.jl
@@ -554,9 +554,10 @@ This function also accepts integer or boolean arguments, and then
 returns integer results. This allows calculating ``(-1)^s``
 conveniently and efficiently.
 
-`cispi` is related to `signbit`, and allows decomposing integers into
-sign bit and absolute value: ``cispi(signbit(n)) * abs(n) == n``. For
-boolean values, it is also, ``signbit(cispi(b)) == b``.
+`cispi` is related to [`signbit`](@ref), and allows decomposing
+integers into sign bit and absolute value: ``cispi(signbit(n)) *
+abs(n) == n``. For boolean values, it is also, ``signbit(cispi(b)) ==
+b``.
 
 # Examples
 ```jldoctest

diff --git a/base/number.jl b/base/number.jl
@@ -92,8 +92,8 @@ copy(x::Number) = x # some code treats numbers as collection-like
 
 Returns `true` if the value of the sign of `x` is negative, otherwise `false`.
 
-Related to `signbit` is `cispi` (which calculates `(-1)^n`). This
-allows decomposing integers into sign bit and absolute value:
+Related to `signbit` is [`cispi`](@ref) (which calculates `(-1)^n`).
+This allows decomposing integers into sign bit and absolute value:
 ``cispi(signbit(n)) * abs(n) == n``. For boolean values, it is also,
 ``signbit(cispi(b)) == b``.