{"action":"created","issue":{"url":"https://api.github.com/repos/HIPS/autograd/issues/154","repository_url":"https://api.github.com/repos/HIPS/autograd","labels_url":"https://api.github.com/repos/HIPS/autograd/issues/154/labels{/name}","comments_url":"https://api.github.com/repos/HIPS/autograd/issues/154/comments","events_url":"https://api.github.com/repos/HIPS/autograd/issues/154/events","html_url":"https://github.com/HIPS/autograd/pull/154","id":182840716,"number":154,"title":"Forward mode","user":{"login":"j-towns","id":15261883,"avatar_url":"https://avatars.githubusercontent.com/u/15261883?v=3","gravatar_id":"","url":"https://api.github.com/users/j-towns","html_url":"https://github.com/j-towns","followers_url":"https://api.github.com/users/j-towns/followers","following_url":"https://api.github.com/users/j-towns/following{/other_user}","gists_url":"https://api.github.com/users/j-towns/gists{/gist_id}","starred_url":"https://api.github.com/users/j-towns/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/j-towns/subscriptions","organizations_url":"https://api.github.com/users/j-towns/orgs","repos_url":"https://api.github.com/users/j-towns/repos","events_url":"https://api.github.com/users/j-towns/events{/privacy}","received_events_url":"https://api.github.com/users/j-towns/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2016-10-13T16:41:10Z","updated_at":"2016-10-14T00:45:13Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/HIPS/autograd/pulls/154","html_url":"https://github.com/HIPS/autograd/pull/154","diff_url":"https://github.com/HIPS/autograd/pull/154.diff","patch_url":"https://github.com/HIPS/autograd/pull/154.patch"},"body":"Now forward mode derivative calculations take place during forward calculation. The compositions fwd(fwd(fun)), rev(rev(fun)) and rev(fwd(fun)) are all behaving correctly, however fwd(rev(fun)) is giving incorrect answers for some reason."},"comment":{"url":"https://api.github.com/repos/HIPS/autograd/issues/comments/253679966","html_url":"https://github.com/HIPS/autograd/pull/154#issuecomment-253679966","issue_url":"https://api.github.com/repos/HIPS/autograd/issues/154","id":253679966,"user":{"login":"mattjj","id":1458824,"avatar_url":"https://avatars.githubusercontent.com/u/1458824?v=3","gravatar_id":"","url":"https://api.github.com/users/mattjj","html_url":"https://github.com/mattjj","followers_url":"https://api.github.com/users/mattjj/followers","following_url":"https://api.github.com/users/mattjj/following{/other_user}","gists_url":"https://api.github.com/users/mattjj/gists{/gist_id}","starred_url":"https://api.github.com/users/mattjj/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mattjj/subscriptions","organizations_url":"https://api.github.com/users/mattjj/orgs","repos_url":"https://api.github.com/users/mattjj/repos","events_url":"https://api.github.com/users/mattjj/events{/privacy}","received_events_url":"https://api.github.com/users/mattjj/received_events","type":"User","site_admin":false},"created_at":"2016-10-14T00:45:13Z","updated_at":"2016-10-14T00:45:13Z","body":"Does the base branch (db51203, i.e. before this PR) work with fwd(rev(fun)) in your tests? I only tried it on that one simple example. We should probably write some tests.\r\n\r\nWe should keep all the tests working for reverse mode. I missed renaming something in `jacobian` which made some tests fail; I'm going to rebase this branch onto the current master with the tests working."}}
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