{"action":"created","issue":{"url":"https://api.github.com/repos/JuliaArrays/StaticArrays.jl/issues/478","repository_url":"https://api.github.com/repos/JuliaArrays/StaticArrays.jl","labels_url":"https://api.github.com/repos/JuliaArrays/StaticArrays.jl/issues/478/labels{/name}","comments_url":"https://api.github.com/repos/JuliaArrays/StaticArrays.jl/issues/478/comments","events_url":"https://api.github.com/repos/JuliaArrays/StaticArrays.jl/issues/478/events","html_url":"https://github.com/JuliaArrays/StaticArrays.jl/issues/478","id":354098539,"node_id":"MDU6SXNzdWUzNTQwOTg1Mzk=","number":478,"title":"All dispatches of static arrays with factorizations are missing","user":{"login":"ChrisRackauckas","id":1814174,"node_id":"MDQ6VXNlcjE4MTQxNzQ=","avatar_url":"https://avatars2.githubusercontent.com/u/1814174?v=4","gravatar_id":"","url":"https://api.github.com/users/ChrisRackauckas","html_url":"https://github.com/ChrisRackauckas","followers_url":"https://api.github.com/users/ChrisRackauckas/followers","following_url":"https://api.github.com/users/ChrisRackauckas/following{/other_user}","gists_url":"https://api.github.com/users/ChrisRackauckas/gists{/gist_id}","starred_url":"https://api.github.com/users/ChrisRackauckas/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ChrisRackauckas/subscriptions","organizations_url":"https://api.github.com/users/ChrisRackauckas/orgs","repos_url":"https://api.github.com/users/ChrisRackauckas/repos","events_url":"https://api.github.com/users/ChrisRackauckas/events{/privacy}","received_events_url":"https://api.github.com/users/ChrisRackauckas/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2018-08-26T14:18:48Z","updated_at":"2018-08-27T07:48:31Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"For example, while you can build the `lu(A)`, every use of it errors:\r\n\r\n```julia\r\nusing StaticArrays, LinearAlgebra\r\nA = @SMatrix rand(3,3)\r\nAlu = lu(A)\r\nc = rand(3)\r\n\r\nb = rand(3)\r\nAlu \\ b\r\nAlu / b\r\nldiv!(c,Alu,b)\r\nb = @SVector rand(3)\r\nAlu \\ b\r\nAlu / b\r\nldiv!(c,Alu,b)\r\nb = @MVector rand(3)\r\nAlu \\ b\r\nAlu / b\r\nldiv!(c,Alu,b)\r\n\r\nc = @MVector rand(3)\r\n\r\nb = rand(3)\r\nAlu \\ b\r\nAlu / b\r\nldiv!(c,Alu,b)\r\nb = @SVector rand(3)\r\nAlu \\ b\r\nAlu / b\r\nldiv!(c,Alu,b)\r\nb = @MVector rand(3)\r\nAlu \\ b\r\nAlu / b\r\nldiv!(c,Alu,b)\r\n```\r\n\r\nThis is likely true for the other factorizations as well. Quick test:\r\n\r\n```julia\r\nAlu = qr(A)\r\nc = rand(3)\r\nb = rand(3)\r\nAlu \\ b\r\n```\r\n\r\nThere should be a way to programmatically do this and copy Base.\r\n\r\nxref: https://github.com/JuliaDiffEq/DifferentialEquations.jl/issues/339"},"comment":{"url":"https://api.github.com/repos/JuliaArrays/StaticArrays.jl/issues/comments/416144595","html_url":"https://github.com/JuliaArrays/StaticArrays.jl/issues/478#issuecomment-416144595","issue_url":"https://api.github.com/repos/JuliaArrays/StaticArrays.jl/issues/478","id":416144595,"node_id":"MDEyOklzc3VlQ29tbWVudDQxNjE0NDU5NQ==","user":{"login":"andreasnoack","id":505001,"node_id":"MDQ6VXNlcjUwNTAwMQ==","avatar_url":"https://avatars3.githubusercontent.com/u/505001?v=4","gravatar_id":"","url":"https://api.github.com/users/andreasnoack","html_url":"https://github.com/andreasnoack","followers_url":"https://api.github.com/users/andreasnoack/followers","following_url":"https://api.github.com/users/andreasnoack/following{/other_user}","gists_url":"https://api.github.com/users/andreasnoack/gists{/gist_id}","starred_url":"https://api.github.com/users/andreasnoack/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/andreasnoack/subscriptions","organizations_url":"https://api.github.com/users/andreasnoack/orgs","repos_url":"https://api.github.com/users/andreasnoack/repos","events_url":"https://api.github.com/users/andreasnoack/events{/privacy}","received_events_url":"https://api.github.com/users/andreasnoack/received_events","type":"User","site_admin":false},"created_at":"2018-08-27T07:48:31Z","updated_at":"2018-08-27T07:48:31Z","author_association":"CONTRIBUTOR","body":"Some of the factorizations in `LinearAlgebra` are still too closely tied to LAPACK. In particular, it would be great to get rid of any hard-coded `Array`s. However, there might still be situations where special matric types will benefit from a special version of a factorization."}}
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