{"action":"opened","issue":{"url":"https://api.github.com/repos/gonum/matrix/issues/273","labels_url":"https://api.github.com/repos/gonum/matrix/issues/273/labels{/name}","comments_url":"https://api.github.com/repos/gonum/matrix/issues/273/comments","events_url":"https://api.github.com/repos/gonum/matrix/issues/273/events","html_url":"https://github.com/gonum/matrix/issues/273","id":111930642,"number":273,"title":"Cond with 1 or inf norm returns 1 for a matrix of all zeros","user":{"login":"btracey","id":3680859,"avatar_url":"https://avatars.githubusercontent.com/u/3680859?v=3","gravatar_id":"","url":"https://api.github.com/users/btracey","html_url":"https://github.com/btracey","followers_url":"https://api.github.com/users/btracey/followers","following_url":"https://api.github.com/users/btracey/following{/other_user}","gists_url":"https://api.github.com/users/btracey/gists{/gist_id}","starred_url":"https://api.github.com/users/btracey/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/btracey/subscriptions","organizations_url":"https://api.github.com/users/btracey/orgs","repos_url":"https://api.github.com/users/btracey/repos","events_url":"https://api.github.com/users/btracey/events{/privacy}","received_events_url":"https://api.github.com/users/btracey/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-10-16T23:45:34Z","updated_at":"2015-10-16T23:45:34Z","closed_at":null,"body":"````\r\npackage main\r\n\r\nimport (\r\n\t\"fmt\"\r\n\t\"math\"\r\n\r\n\t\"github.com/gonum/matrix/mat64\"\r\n)\r\n\r\nfunc main() {\r\n\ta := mat64.NewDense(1, 1, nil)\r\n\tfmt.Println(mat64.Cond(a, 1))\r\n\tfmt.Println(mat64.Cond(a, 2))\r\n\tfmt.Println(mat64.Cond(a, math.Inf(1)))\r\n}\r\n````\r\n\r\nThis may be a bizarre quirk of the lapack function, but this should not be the final output from mat64."}}