Avoid method ambiguities

Author: Simone Carlo Surace

Diff for: src/distances/sinus.jl

@@ -27,3 +27,9 @@ pairwise(d::Sinus, x::AbstractVector{<:Real}) = pairwise(d, x, x)
 function pairwise(d::Sinus, x::AbstractVector{<:Real}, y::AbstractVector{<:Real})
     return abs2.(sinpi.(x .- y') ./ only(d.r))
 end
+pairwise(d::Sinus, x::RowVecs) = Distances_pairwise(d, x.X; dims=1)
+pairwise(d::Sinus, x::ColVecs) = Distances_pairwise(d, x.X; dims=2)
+pairwise(d::Sinus, x::RowVecs, y::RowVecs) = Distances_pairwise(d, x.X, y.X; dims=1)
+pairwise(d::Sinus, x::ColVecs, y::RowVecs) = pairwise(d, x, ColVecs(permutedims(y.X)))
+pairwise(d::Sinus, x::RowVecs, y::ColVecs) = pairwise(d, ColVecs(permutedims(x.X)), y)
+pairwise(d::Sinus, x::ColVecs, y::ColVecs) = Distances_pairwise(d, x.X, y.X; dims=2)