Thanks for the heads-up. I tried it out, and indeed
broadcast(muladd, rand(5), rand(5), rand(5))
and
broadcast(muladd, rand(5), 1, rand(5))
work now. Interestingly,
broadcast(muladd, rand(5), rand(5), 1)
Does not ("no method matching promote_eltype_op[...]"). Just curious, is
this to be expected?
On Thursday, August 4, 2016 at 5:36:14 AM UTC+2, Kevin Squire wrote:
>
> For completeness, PR #17389 was merged
> <https://github.com/JuliaLang/julia/pull/17389>, and issue #17314 was
> closed <https://github.com/JuliaLang/julia/issues/17314>.
>
> Cheers,
> Kevin
>
> On Mon, Aug 1, 2016 at 8:28 AM, Oliver Schulz <[email protected]
> <javascript:>> wrote:
>
>> Thanks, Pablo. Uh, do you think that PR will make it into 0.5?
>>
>>
>> On Monday, August 1, 2016 at 3:41:23 PM UTC+2, Pablo Zubieta wrote:
>>>
>>> This should work if https://github.com/JuliaLang/julia/pull/17389 gets
>>> merged.
>>>
>>> On Monday, August 1, 2016 at 3:06:36 PM UTC+2, Oliver Schulz wrote:
>>>>
>>>> > Not before the bug is fixed and this is also orthogonal to loop
>>>> fusion.
>>>>
>>>> Sure, I get that. But that means then that bug is fixed, things like
>>>> broadcasting with (e.g.) muladd will be possible again? That would be
>>>> wonderful!
>>>>
>>>>
>>>>
>>>> On Monday, August 1, 2016 at 2:47:44 PM UTC+2, Yichao Yu wrote:
>>>>>
>>>>> On Mon, Aug 1, 2016 at 8:41 PM, Oliver Schulz
>>>>> <[email protected]> wrote:
>>>>> > So cases like
>>>>> >
>>>>> > broadcast((x,y,z)->..., A, B, C)
>>>>> >
>>>>> > can't be supported any longer? Darn. :-( I love the things you guys
>>>>> are
>>>>> > doing in regard to fusing operations, but that was a very, very
>>>>> useful thing
>>>>> > to have. Is there any other way to do this now?
>>>>>
>>>>> Not before the bug is fixed and this is also orthogonal to loop
>>>>> fusion.
>>>>>
>>>>> >
>>>>> > On Monday, August 1, 2016 at 2:22:07 PM UTC+2, Yichao Yu wrote:
>>>>> >>
>>>>> >> On Mon, Aug 1, 2016 at 8:15 PM, Oliver Schulz
>>>>> >> <[email protected]> wrote:
>>>>> >> > Hi,
>>>>> >> >
>>>>> >> > sorry if this is already covered somewhere - have the semantics
>>>>> of
>>>>> >> > broadcast
>>>>> >> > changed in Julia 0.5?
>>>>> >>
>>>>> >> Essentially https://github.com/JuliaLang/julia/issues/17314
>>>>> >> The promote_op basically assumes everything is a pure unary or
>>>>> binary
>>>>> >> operator.
>>>>> >>
>>>>> >> >
>>>>> >> > In 0.4, I can do
>>>>> >> >
>>>>> >> > broadcast(muladd, rand(5), rand(5), rand(5))
>>>>> >> >
>>>>> >> > But in 0.5 (0.5.0-rc0+86), I get
>>>>> >> >
>>>>> >> > ERROR: MethodError: no method matching muladd(::Float64,
>>>>> ::Float64)
>>>>> >> > Closest candidates are:
>>>>> >> > muladd(::Float64, ::Float64, ::Float64) at float.jl:247
>>>>> >> > muladd(::Real, ::Real, ::Complex{T<:Real}) at complex.jl:177
>>>>> >> > muladd{T<:Number}(::T<:Number, ::T<:Number, ::T<:Number) at
>>>>> >> > promotion.jl:239
>>>>> >> > ...
>>>>> >> > [...]
>>>>> >> >
>>>>> >> >
>>>>> >> > Is this a bug, or to be expected?
>>>>> >> >
>>>>> >> > Cheers,
>>>>> >> >
>>>>> >> > Oliver
>>>>> >> >
>>>>>
>>>>
>
