Ken Shirriff on Nostr: How do computers calculate complicated trig functions such as tangent? I took a look ...
How do computers calculate complicated trig functions such as tangent? I took a look at Intel's 8087 floating-point chip under the microscope to find out. The chip combines two techniques to evaluate the tan function quickly and accurately: polynomials and an algorithm called CORDIC...
Published at
2026-09-26 17:02:02 UTCEvent JSON
{
"id": "920877a35b4b8a53a291dc0f153aa9aee0a2dbfcf712629f4b182b0d22ae708c",
"pubkey": "53c85f49d60bd50b1b1366c2fa65054089988f695534d0b64a9b8d6b4e0ce45d",
"created_at": 1790442122,
"kind": 1,
"tags": [
[
"imeta",
"url https://assets.oldbytes.space/assets.oldbytes.space/media_attachments/files/117/338/413/512/318/470/original/648a2154d87efd1b.png",
"m image/png",
"dim 2193x2667",
"blurhash UmK^~ioM%May~qofxuof~qWVxuj[IUjtt7ay"
],
[
"proxy",
"https://oldbytes.space/users/kenshirriff/statuses/117338414933271126",
"activitypub"
],
[
"client",
"Mostr",
"31990:6be38f8c63df7dbf84db7ec4a6e6fbbd8d19dca3b980efad18585c46f04b26f9:mostr",
"wss://relay.ditto.pub"
]
],
"content": "How do computers calculate complicated trig functions such as tangent? I took a look at Intel's 8087 floating-point chip under the microscope to find out. The chip combines two techniques to evaluate the tan function quickly and accurately: polynomials and an algorithm called CORDIC...\n\nhttps://assets.oldbytes.space/assets.oldbytes.space/media_attachments/files/117/338/413/512/318/470/original/648a2154d87efd1b.png",
"sig": "2d58807eabaaf69539b66a867b51e9a53cd8a46ec17833d58ccc50f67317139a065ecfe55760c33b93a92b19847b0e0f3a7e30a1abf6ee020e84246cd2b5d39a"
}
