Which version of julia? If you're not using 0.5, try it and you might be 
pleased.

You can also launch `julia --inline=no`, which occasionally still remains 
useful.

--Tim

On Tuesday, September 13, 2016 8:55:58 AM CDT Tim Wheeler wrote:
> Hi Julia Users,
> 
> So I was looking at ConjugatePriors.jl and trying to resolve its problems
> with respect to the latest Distributions.jl. As discussed in issue 11
> <https://github.com/JuliaStats/ConjugatePriors.jl/issues/11>, testing
> ConjugatePriors after removing the REQUIRE bounds results in:
> 
> MethodError: no method matching
> _rand!(::Distributions.MvNormalCanon{PDMats.PDMat{Float64,Array{Float64,2}},
> Array{Float64,1}},
> ::Array{Float64,1}) on line 52 of conjugates_mvnormal.jl
> 
> <https://github.com/JuliaStats/ConjugatePriors.jl/blob/master/test/conjugate
> s_mvnormal.jl#L52>. and line 25 of fallbacks.jl
> 
> If you check that line you find the following:
> 
> posterior_randmodel(pri, G::IncompleteFormulation, x) = complete(G, pri,
> posterior_rand(pri, G, x))
> 
> Okay, the problem isn't really there. The call to posterior_rand is inlined
> (I assume), so it doesn't show up in the test stack trace. So we manually
> go to:
> 
> posterior_rand(pri, G::IncompleteFormulation, x) = Base.rand(posterior_canon
> (pri, G, x))
> 
> 
> This also isn't the problem, at least not directly.
> 
> In fact, the also inlined call to posterior_canon(pri, G, x) works fine. It
> returns an MvNormalCanon object and then Base.rand is called.
> 
> This calls some inlined functions, which eventually call
> Base._rand!(MvNormalCanon, x::Vector), which leads to the problem, namely
> that _rand!(MvNormalCannon, x::Matrix) is all that is defined.
> 
> But why was that so hard to discover? Why does only line 25 of fallbacks,jl
> show up in the error stack trace? Was there a better way to debug this?


Reply via email to