ranges: broadcast preserves length #42410
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mbauman
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Sep 28, 2021
| @@ -1087,10 +1087,12 @@ broadcasted(::DefaultArrayStyle{1}, ::typeof(-), r::LinRange) = LinRange(-r.star | |||
| # For #18336 we need to prevent promotion of the step type: | |||
| broadcasted(::DefaultArrayStyle{1}, ::typeof(+), r::AbstractRange, x::Number) = range(first(r) + x, step=step(r), length=length(r)) | |||
| broadcasted(::DefaultArrayStyle{1}, ::typeof(+), x::Number, r::AbstractRange) = range(x + first(r), step=step(r), length=length(r)) | |||
| broadcasted(::DefaultArrayStyle{1}, ::typeof(+), r::OrdinalRange, x::Real) = range(first(r) + x, last(r) + x, step=step(r)) | |||
| broadcasted(::DefaultArrayStyle{1}, ::typeof(+), x::Real, r::Real) = range(x + first(r), x + last(r), step=step(r)) | |||
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I suppose this never actually got called since ::Real .+ ::Real would be a 0-dimensional broadcast.
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yeah, there's a definition broadcast(f, a::Number...) = f(a...) that catches it first
mbauman
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Fixes #42291