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Simplify project! for Stiefel #153

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merged 2 commits into from
Apr 9, 2020

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dahong67
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@dahong67 dahong67 commented Apr 8, 2020

Do simplifications of project! method discussed in #141 and mentioned in #142.

Key idea is that s.U' * s.U in the previous implementation should (up to numerical issues) be approximately I in which case the remaining code simplifies.

@dahong67 dahong67 changed the title Simplify project! for Stiefel [RFC] Simplify project! for Stiefel Apr 8, 2020
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Looks good to me! Can you check that the tests pass locally for you? (the CI is currently failing due to other issues). If so, then I think this is good to merge.

@sethaxen sethaxen closed this Apr 9, 2020
@sethaxen sethaxen reopened this Apr 9, 2020
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sethaxen commented Apr 9, 2020

Better yet, now master should just work, so merge master in, and if it passes, I'll merge the PR.

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sethaxen commented Apr 9, 2020

Oh nevermind, I see that the CI is running correctly after reopening, it's just that the checks also show the old failed CI because those have different names. Okay, we'll just see if it passes.

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codecov bot commented Apr 9, 2020

Codecov Report

Merging #153 into master will decrease coverage by 0.00%.
The diff coverage is 95.58%.

Impacted file tree graph

@@            Coverage Diff             @@
##           master     #153      +/-   ##
==========================================
- Coverage   96.72%   96.71%   -0.01%     
==========================================
  Files          48       48              
  Lines        3023     3015       -8     
==========================================
- Hits         2924     2916       -8     
  Misses         99       99              
Impacted Files Coverage Δ
src/Manifolds.jl 100.00% <ø> (ø)
src/distributions.jl 50.00% <ø> (ø)
src/groups/product_group.jl 94.59% <0.00%> (-2.85%) ⬇️
src/groups/semidirect_product_group.jl 100.00% <ø> (ø)
src/groups/special_euclidean.jl 100.00% <ø> (ø)
src/manifolds/Lorentz.jl 100.00% <ø> (ø)
...manifolds/SymmetricPositiveDefiniteLinearAffine.jl 100.00% <ø> (ø)
.../manifolds/SymmetricPositiveDefiniteLogCholesky.jl 100.00% <ø> (ø)
...manifolds/SymmetricPositiveDefiniteLogEuclidean.jl 100.00% <ø> (ø)
src/manifolds/Torus.jl 93.33% <ø> (ø)
... and 37 more

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@sethaxen sethaxen changed the title [RFC] Simplify project! for Stiefel Simplify project! for Stiefel Apr 9, 2020
@sethaxen sethaxen merged commit 1920a3b into JuliaManifolds:master Apr 9, 2020
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dahong67 commented Apr 9, 2020

Wow, you are quite efficient. Thanks for resolving the testing stuff and merging! :)

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Thanks for helping and contributing :)

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3 participants