{"action":"created","issue":{"url":"https://api.github.com/repos/ARM-software/CMSIS_5/issues/393","repository_url":"https://api.github.com/repos/ARM-software/CMSIS_5","labels_url":"https://api.github.com/repos/ARM-software/CMSIS_5/issues/393/labels{/name}","comments_url":"https://api.github.com/repos/ARM-software/CMSIS_5/issues/393/comments","events_url":"https://api.github.com/repos/ARM-software/CMSIS_5/issues/393/events","html_url":"https://github.com/ARM-software/CMSIS_5/issues/393","id":340901049,"node_id":"MDU6SXNzdWUzNDA5MDEwNDk=","number":393,"title":"FFT implementation with greater buffer","user":{"login":"juliobc","id":25198818,"node_id":"MDQ6VXNlcjI1MTk4ODE4","avatar_url":"https://avatars2.githubusercontent.com/u/25198818?v=4","gravatar_id":"","url":"https://api.github.com/users/juliobc","html_url":"https://github.com/juliobc","followers_url":"https://api.github.com/users/juliobc/followers","following_url":"https://api.github.com/users/juliobc/following{/other_user}","gists_url":"https://api.github.com/users/juliobc/gists{/gist_id}","starred_url":"https://api.github.com/users/juliobc/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/juliobc/subscriptions","organizations_url":"https://api.github.com/users/juliobc/orgs","repos_url":"https://api.github.com/users/juliobc/repos","events_url":"https://api.github.com/users/juliobc/events{/privacy}","received_events_url":"https://api.github.com/users/juliobc/received_events","type":"User","site_admin":false},"labels":[{"id":678727372,"node_id":"MDU6TGFiZWw2Nzg3MjczNzI=","url":"https://api.github.com/repos/ARM-software/CMSIS_5/labels/DSP","name":"DSP","color":"fef2c0","default":false},{"id":358596832,"node_id":"MDU6TGFiZWwzNTg1OTY4MzI=","url":"https://api.github.com/repos/ARM-software/CMSIS_5/labels/future","name":"future","color":"d4c5f9","default":false}],"state":"open","locked":false,"assignee":{"login":"christophe0606","id":48906714,"node_id":"MDQ6VXNlcjQ4OTA2NzE0","avatar_url":"https://avatars0.githubusercontent.com/u/48906714?v=4","gravatar_id":"","url":"https://api.github.com/users/christophe0606","html_url":"https://github.com/christophe0606","followers_url":"https://api.github.com/users/christophe0606/followers","following_url":"https://api.github.com/users/christophe0606/following{/other_user}","gists_url":"https://api.github.com/users/christophe0606/gists{/gist_id}","starred_url":"https://api.github.com/users/christophe0606/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/christophe0606/subscriptions","organizations_url":"https://api.github.com/users/christophe0606/orgs","repos_url":"https://api.github.com/users/christophe0606/repos","events_url":"https://api.github.com/users/christophe0606/events{/privacy}","received_events_url":"https://api.github.com/users/christophe0606/received_events","type":"User","site_admin":false},"assignees":[{"login":"christophe0606","id":48906714,"node_id":"MDQ6VXNlcjQ4OTA2NzE0","avatar_url":"https://avatars0.githubusercontent.com/u/48906714?v=4","gravatar_id":"","url":"https://api.github.com/users/christophe0606","html_url":"https://github.com/christophe0606","followers_url":"https://api.github.com/users/christophe0606/followers","following_url":"https://api.github.com/users/christophe0606/following{/other_user}","gists_url":"https://api.github.com/users/christophe0606/gists{/gist_id}","starred_url":"https://api.github.com/users/christophe0606/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/christophe0606/subscriptions","organizations_url":"https://api.github.com/users/christophe0606/orgs","repos_url":"https://api.github.com/users/christophe0606/repos","events_url":"https://api.github.com/users/christophe0606/events{/privacy}","received_events_url":"https://api.github.com/users/christophe0606/received_events","type":"User","site_admin":false}],"milestone":null,"comments":6,"created_at":"2018-07-13T06:46:39Z","updated_at":"2019-05-24T07:24:03Z","closed_at":null,"author_association":"NONE","body":"Hi, I need to make a FFT and a iFFT with a buffer of 8192 points or more because I am trying to make a fast convolution with a filter of a lot of points. I have a huge RAM memory.\r\n\r\nDo you think that is possible in a future with CMSIS DSP library??\r\n\r\nThank you"},"comment":{"url":"https://api.github.com/repos/ARM-software/CMSIS_5/issues/comments/495502234","html_url":"https://github.com/ARM-software/CMSIS_5/issues/393#issuecomment-495502234","issue_url":"https://api.github.com/repos/ARM-software/CMSIS_5/issues/393","id":495502234,"node_id":"MDEyOklzc3VlQ29tbWVudDQ5NTUwMjIzNA==","user":{"login":"kevingoh","id":4591380,"node_id":"MDQ6VXNlcjQ1OTEzODA=","avatar_url":"https://avatars0.githubusercontent.com/u/4591380?v=4","gravatar_id":"","url":"https://api.github.com/users/kevingoh","html_url":"https://github.com/kevingoh","followers_url":"https://api.github.com/users/kevingoh/followers","following_url":"https://api.github.com/users/kevingoh/following{/other_user}","gists_url":"https://api.github.com/users/kevingoh/gists{/gist_id}","starred_url":"https://api.github.com/users/kevingoh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kevingoh/subscriptions","organizations_url":"https://api.github.com/users/kevingoh/orgs","repos_url":"https://api.github.com/users/kevingoh/repos","events_url":"https://api.github.com/users/kevingoh/events{/privacy}","received_events_url":"https://api.github.com/users/kevingoh/received_events","type":"User","site_admin":false},"created_at":"2019-05-24T07:24:03Z","updated_at":"2019-05-24T07:24:03Z","author_association":"CONTRIBUTOR","body":"Hi, I think I have a clue how the bitreversal tables are generated for the mixed radix cases, as described in the patent US5473556A.\r\n\r\nGeneral steps:\r\n1. Generate indices from 0 to len-1\r\n2. turn them into binary\r\n3. encode them with stage specific wide bit-fields\r\n4. flip the bit-fields around\r\n5. run through final round of optimization to remove redundancy.\r\n\r\nI have managed to generate an almost matching list using Octave, as I am now working on the 5th step above.\r\n\r\nPlease help to verify my finding.\r\n\r\nHappy weekends! \r\n\r\n"}}
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