{"action":"created","issue":{"url":"https://api.github.com/repos/samth/pycket/issues/199","repository_url":"https://api.github.com/repos/samth/pycket","labels_url":"https://api.github.com/repos/samth/pycket/issues/199/labels{/name}","comments_url":"https://api.github.com/repos/samth/pycket/issues/199/comments","events_url":"https://api.github.com/repos/samth/pycket/issues/199/events","html_url":"https://github.com/samth/pycket/issues/199","id":167714623,"number":199,"title":"NaN tagging of fixnums breaks post translation","user":{"login":"sabauma","id":2251823,"avatar_url":"https://avatars.githubusercontent.com/u/2251823?v=3","gravatar_id":"","url":"https://api.github.com/users/sabauma","html_url":"https://github.com/sabauma","followers_url":"https://api.github.com/users/sabauma/followers","following_url":"https://api.github.com/users/sabauma/following{/other_user}","gists_url":"https://api.github.com/users/sabauma/gists{/gist_id}","starred_url":"https://api.github.com/users/sabauma/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sabauma/subscriptions","organizations_url":"https://api.github.com/users/sabauma/orgs","repos_url":"https://api.github.com/users/sabauma/repos","events_url":"https://api.github.com/users/sabauma/events{/privacy}","received_events_url":"https://api.github.com/users/sabauma/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":{"login":"sabauma","id":2251823,"avatar_url":"https://avatars.githubusercontent.com/u/2251823?v=3","gravatar_id":"","url":"https://api.github.com/users/sabauma","html_url":"https://github.com/sabauma","followers_url":"https://api.github.com/users/sabauma/followers","following_url":"https://api.github.com/users/sabauma/following{/other_user}","gists_url":"https://api.github.com/users/sabauma/gists{/gist_id}","starred_url":"https://api.github.com/users/sabauma/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sabauma/subscriptions","organizations_url":"https://api.github.com/users/sabauma/orgs","repos_url":"https://api.github.com/users/sabauma/repos","events_url":"https://api.github.com/users/sabauma/events{/privacy}","received_events_url":"https://api.github.com/users/sabauma/received_events","type":"User","site_admin":false},"assignees":[{"login":"sabauma","id":2251823,"avatar_url":"https://avatars.githubusercontent.com/u/2251823?v=3","gravatar_id":"","url":"https://api.github.com/users/sabauma","html_url":"https://github.com/sabauma","followers_url":"https://api.github.com/users/sabauma/followers","following_url":"https://api.github.com/users/sabauma/following{/other_user}","gists_url":"https://api.github.com/users/sabauma/gists{/gist_id}","starred_url":"https://api.github.com/users/sabauma/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sabauma/subscriptions","organizations_url":"https://api.github.com/users/sabauma/orgs","repos_url":"https://api.github.com/users/sabauma/repos","events_url":"https://api.github.com/users/sabauma/events{/privacy}","received_events_url":"https://api.github.com/users/sabauma/received_events","type":"User","site_admin":false}],"milestone":null,"comments":2,"created_at":"2016-07-26T21:19:21Z","updated_at":"2016-07-26T21:53:52Z","closed_at":null,"body":"Something fishy going on here\r\nHere is a small test program which creates a singleton vector containing\r\na flonum and then writes the fixnum zero. The strategy correctly transitions to\r\nuse the tagged-flonum strategy.\r\n\r\n```racket\r\n#lang pycket\r\n\r\n(define v (vector 0.0))\r\n(display v)\r\n(display \"\\n\")\r\n\r\n(vector-set! v 0 0)\r\n(display v) (display \"\\n\")\r\n```\r\n\r\nThis example prints the correct result `#(0)` when interpreted, but produces\r\n`#(nan)` post translation. The bit pattern of the floating-point value read from\r\nthe vector corresponds to the cannonical NaN rather than the one used to\r\nrepresent the tagged fixnum. Investigation is ongoing."},"comment":{"url":"https://api.github.com/repos/samth/pycket/issues/comments/235417604","html_url":"https://github.com/samth/pycket/issues/199#issuecomment-235417604","issue_url":"https://api.github.com/repos/samth/pycket/issues/199","id":235417604,"user":{"login":"krono","id":119279,"avatar_url":"https://avatars.githubusercontent.com/u/119279?v=3","gravatar_id":"","url":"https://api.github.com/users/krono","html_url":"https://github.com/krono","followers_url":"https://api.github.com/users/krono/followers","following_url":"https://api.github.com/users/krono/following{/other_user}","gists_url":"https://api.github.com/users/krono/gists{/gist_id}","starred_url":"https://api.github.com/users/krono/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/krono/subscriptions","organizations_url":"https://api.github.com/users/krono/orgs","repos_url":"https://api.github.com/users/krono/repos","events_url":"https://api.github.com/users/krono/events{/privacy}","received_events_url":"https://api.github.com/users/krono/received_events","type":"User","site_admin":false},"created_at":"2016-07-26T21:53:52Z","updated_at":"2016-07-26T21:53:52Z","body":"at least `rfloat.py` from the rlib has only one `NAN` that is used throughout. It's not like they think it can be switched, rpython only ever returns one kind of NAN to any operation\r\n\r\nSo (some-op sabaumans_NaN anything) ; -> rpyhtons NAN"}}
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