{"action":"closed","number":535,"pull_request":{"url":"https://api.github.com/repos/JuliaOpt/JuMP.jl/pulls/535","id":42515152,"html_url":"https://github.com/JuliaOpt/JuMP.jl/pull/535","diff_url":"https://github.com/JuliaOpt/JuMP.jl/pull/535.diff","patch_url":"https://github.com/JuliaOpt/JuMP.jl/pull/535.patch","issue_url":"https://api.github.com/repos/JuliaOpt/JuMP.jl/issues/535","number":535,"state":"closed","locked":false,"title":"Strip zeros from affine part of quadratic expressions","user":{"login":"IainNZ","id":692635,"avatar_url":"https://avatars.githubusercontent.com/u/692635?v=3","gravatar_id":"","url":"https://api.github.com/users/IainNZ","html_url":"https://github.com/IainNZ","followers_url":"https://api.github.com/users/IainNZ/followers","following_url":"https://api.github.com/users/IainNZ/following{/other_user}","gists_url":"https://api.github.com/users/IainNZ/gists{/gist_id}","starred_url":"https://api.github.com/users/IainNZ/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/IainNZ/subscriptions","organizations_url":"https://api.github.com/users/IainNZ/orgs","repos_url":"https://api.github.com/users/IainNZ/repos","events_url":"https://api.github.com/users/IainNZ/events{/privacy}","received_events_url":"https://api.github.com/users/IainNZ/received_events","type":"User","site_admin":false},"body":"```\r\njulia> using JuMP\r\n\r\njulia> m=Model()\r\nFeasibility problem with:\r\n * 0 linear constraints\r\n * 0 variables\r\nSolver set to Default\r\n\r\njulia> @defVar(m, 0 <= x[1:3] <= 1)\r\n0 ≤ x[i] ≤ 1 for all i in {1,2,3}\r\n\r\njulia> @defVar(m, y >= 0)\r\ny\r\n\r\njulia> @addConstraint(m, dot(x,x) <= y*y)\r\nx[1]² + x[2]² + x[3]² - y² + 0 ≤ 0\r\n```\r\n\r\nThat extra 0 is actually a `0y`, which causes this model to die if passed through the conic MPB path. I fixed it here, because its generally a useful thing I figure. I don't know the `0y` appears in the first 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