julia/src/ndarray/comparison.jl

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broadcasted(::typeof(==), x::NDArray{T}, y::NDArray{T}) where {T} =
  _broadcast_equal(x, y)

broadcasted(::typeof(!=), x::NDArray{T}, y::NDArray{T}) where {T} =
  _broadcast_not_equal(x, y)

broadcasted(::typeof(>), x::NDArray{T}, y::NDArray{T}) where {T} =
  _broadcast_greater(x, y)

broadcasted(::typeof(>=), x::NDArray{T}, y::NDArray{T}) where {T} =
  _broadcast_greater_equal(x, y)

broadcasted(::typeof(<), x::NDArray{T}, y::NDArray{T}) where {T} =
  _broadcast_lesser(x, y)

broadcasted(::typeof(<=), x::NDArray{T}, y::NDArray{T}) where {T} =
  _broadcast_lesser_equal(x, y)

################################################################################
# remapping to solving type unstablility
################################################################################

@_remap _broadcast_equal(x::NDArray, y::NDArray)  broadcast_equal(x, y)
@_remap _broadcast_equal!(x::NDArray, y::NDArray) broadcast_equal(x, y)

@_remap _broadcast_not_equal(x::NDArray, y::NDArray)  broadcast_not_equal(x, y)
@_remap _broadcast_not_equal!(x::NDArray, y::NDArray) broadcast_not_equal(x, y)

@_remap _broadcast_greater(x::NDArray, y::NDArray)  broadcast_greater(x, y)
@_remap _broadcast_greater!(x::NDArray, y::NDArray) broadcast_greater(x, y)

@_remap _broadcast_greater_equal(x::NDArray, y::NDArray)  broadcast_greater_equal(x, y)
@_remap _broadcast_greater_equal!(x::NDArray, y::NDArray) broadcast_greater_equal(x, y)

@_remap _broadcast_lesser(x::NDArray, y::NDArray)  broadcast_lesser(x, y)
@_remap _broadcast_lesser!(x::NDArray, y::NDArray) broadcast_lesser(x, y)

@_remap _broadcast_lesser_equal(x::NDArray, y::NDArray)  broadcast_lesser_equal(x, y)
@_remap _broadcast_lesser_equal!(x::NDArray, y::NDArray) broadcast_lesser_equal(x, y)