{"action":"created","issue":{"url":"https://api.github.com/repos/xianyi/OpenBLAS/issues/484","labels_url":"https://api.github.com/repos/xianyi/OpenBLAS/issues/484/labels{/name}","comments_url":"https://api.github.com/repos/xianyi/OpenBLAS/issues/484/comments","events_url":"https://api.github.com/repos/xianyi/OpenBLAS/issues/484/events","html_url":"https://github.com/xianyi/OpenBLAS/issues/484","id":53087250,"number":484,"title":"Drotmg failure on Ubuntu 14.04","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":[{"url":"https://api.github.com/repos/xianyi/OpenBLAS/labels/Bug","name":"Bug","color":"d95050"}],"state":"closed","locked":false,"assignee":{"login":"xianyi","id":371600,"avatar_url":"https://avatars.githubusercontent.com/u/371600?v=3","gravatar_id":"","url":"https://api.github.com/users/xianyi","html_url":"https://github.com/xianyi","followers_url":"https://api.github.com/users/xianyi/followers","following_url":"https://api.github.com/users/xianyi/following{/other_user}","gists_url":"https://api.github.com/users/xianyi/gists{/gist_id}","starred_url":"https://api.github.com/users/xianyi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/xianyi/subscriptions","organizations_url":"https://api.github.com/users/xianyi/orgs","repos_url":"https://api.github.com/users/xianyi/repos","events_url":"https://api.github.com/users/xianyi/events{/privacy}","received_events_url":"https://api.github.com/users/xianyi/received_events","type":"User","site_admin":false},"milestone":null,"comments":14,"created_at":"2014-12-30T01:55:43Z","updated_at":"2015-01-06T01:46:20Z","closed_at":"2015-01-05T05:45:57Z","body":"In the gonum project, we have an implementation of the float64 BLAS in Go as well as allow linking of a c-based blas. We have written our own test suite which can be seen at https://github.com/gonum/blas/blob/master/testblas/level1double.go . The tests for Drotmg can be found starting at line 1315 of the present file. The tests pass for the OS X accelerate framework, and also pass for me using OpenBLAS on OSX, and OpenBLAS also passes on the github travis link-in. We are seeing OpenBLAS fail our tests on Ubuntu 14.04. They get an unexpected answer for the following cases:\r\n\r\n````\r\n{\r\nName: \"AbsQ1_LT_AbsQU__D2_Pos\",\r\nP: &blas.DrotmParams{\r\nFlag: blas.Diagonal,\r\nH: [4]float64{5.0 / 12, 0, 0, 0.625},\r\n},\r\nD1: 2,\r\nD2: 3,\r\nX1: 5,\r\nY1: 8,\r\nRd1: 2.3801652892561984,\r\nRd2: 1.586776859504132,\r\nRx1: 121.0 / 12,\r\n},\r\n\r\n{\r\nName: \"D1=D2_X1=X2\",\r\nP: &blas.DrotmParams{\r\nFlag: blas.Diagonal,\r\nH: [4]float64{1, 0, 0, 1},\r\n},\r\nD1: 2,\r\nD2: 2,\r\nX1: 8,\r\nY1: 8,\r\nRd1: 1,\r\nRd2: 1,\r\nRx1: 16,\r\n},\r\n````\r\n\r\nThese are the Diagonal cases with a non-zero first element. Please see https://github.com/gonum/blas/issues/59 for our discussion. "},"comment":{"url":"https://api.github.com/repos/xianyi/OpenBLAS/issues/comments/68814261","html_url":"https://github.com/xianyi/OpenBLAS/issues/484#issuecomment-68814261","issue_url":"https://api.github.com/repos/xianyi/OpenBLAS/issues/484","id":68814261,"user":{"login":"juliantaylor","id":542663,"avatar_url":"https://avatars.githubusercontent.com/u/542663?v=3","gravatar_id":"","url":"https://api.github.com/users/juliantaylor","html_url":"https://github.com/juliantaylor","followers_url":"https://api.github.com/users/juliantaylor/followers","following_url":"https://api.github.com/users/juliantaylor/following{/other_user}","gists_url":"https://api.github.com/users/juliantaylor/gists{/gist_id}","starred_url":"https://api.github.com/users/juliantaylor/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/juliantaylor/subscriptions","organizations_url":"https://api.github.com/users/juliantaylor/orgs","repos_url":"https://api.github.com/users/juliantaylor/repos","events_url":"https://api.github.com/users/juliantaylor/events{/privacy}","received_events_url":"https://api.github.com/users/juliantaylor/received_events","type":"User","site_admin":false},"created_at":"2015-01-06T01:46:20Z","updated_at":"2015-01-06T01:46:20Z","body":"seems to be 692b14cecdc7d82e4b8f9e665cbb93140de9218c"}}