bugfix: properly import Base.cis into LinearAlgebra (JuliaLang#42164)

Certain methods, e.g., `cis(::Union{RealHermSymComplexHerm,SymTridiagonal{<:Real}})`, were not imported properly.
cmcaine · Sep 10, 2021 · c4f0d8b · c4f0d8b
1 parent 77572bc
commit c4f0d8b
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diff --git a/stdlib/LinearAlgebra/src/LinearAlgebra.jl b/stdlib/LinearAlgebra/src/LinearAlgebra.jl
@@ -9,7 +9,7 @@ module LinearAlgebra
 
 import Base: \, /, *, ^, +, -, ==
 import Base: USE_BLAS64, abs, acos, acosh, acot, acoth, acsc, acsch, adjoint, asec, asech,
-    asin, asinh, atan, atanh, axes, big, broadcast, ceil, conj, convert, copy, copyto!, cos,
+    asin, asinh, atan, atanh, axes, big, broadcast, ceil, cis, conj, convert, copy, copyto!, cos,
     cosh, cot, coth, csc, csch, eltype, exp, fill!, floor, getindex, hcat,
     getproperty, imag, inv, isapprox, isequal, isone, iszero, IndexStyle, kron, kron!, length, log, map, ndims,
     oneunit, parent, power_by_squaring, print_matrix, promote_rule, real, round, sec, sech,

diff --git a/stdlib/LinearAlgebra/src/dense.jl b/stdlib/LinearAlgebra/src/dense.jl
@@ -576,8 +576,8 @@ julia> cis([π 0; 0 π]) ≈ -I
 true
 ```
 """
-Base.cis(A::AbstractMatrix) = exp(im * A)  # fallback
-Base.cis(A::AbstractMatrix{<:Base.HWNumber}) = exp_maybe_inplace(float.(im .* A))
+cis(A::AbstractMatrix) = exp(im * A)  # fallback
+cis(A::AbstractMatrix{<:Base.HWNumber}) = exp_maybe_inplace(float.(im .* A))
 
 exp_maybe_inplace(A::StridedMatrix{<:Union{ComplexF32, ComplexF64}}) = exp!(A)
 exp_maybe_inplace(A) = exp(A)