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RNG: fix Sampler selection for GLOBAL_RNG #33172

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merged 1 commit into from
Sep 6, 2019

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@rfourquet rfourquet commented Sep 5, 2019

Fix #33170.

@rfourquet rfourquet added kind:bugfix This change fixes an existing bug domain:randomness Random number generation and the Random stdlib labels Sep 5, 2019
Sampler(rng::AbstractRNG, ::Type{X}, r::Repetition=Val(Inf)) where {X} = Sampler(_typeof(rng), X, r)

# GLOBAL_RNG currently represents a MersenneTwister
_typeof(x) = typeof(x)
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Maybe call this typeof_rng instead? _typeof sounds much more general.


# GLOBAL_RNG currently represents a MersenneTwister
typeof_rng(rng::AbstractRNG) = typeof(rng)
typeof_rng(::_GLOBAL_RNG) = MersenneTwister
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_GLOBAL_RNG is not defined here yet.

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Ah right, is this why CI didn't build? I couldn't understand CI failures (am still used to travis interface).

@KristofferC KristofferC added this to the 1.3 milestone Sep 5, 2019
@KristofferC KristofferC merged commit 4c8cd3b into master Sep 6, 2019
@delete-merged-branch delete-merged-branch bot deleted the rf/rng/fix-Sampler-typeof branch September 6, 2019 09:36
KristofferC pushed a commit that referenced this pull request Sep 6, 2019
@KristofferC KristofferC mentioned this pull request Sep 6, 2019
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domain:randomness Random number generation and the Random stdlib kind:bugfix This change fixes an existing bug
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Random Sampler selection got broken with thread safe RNG change
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