{"slug": "sleef", "name": "SLEEF", "category": "dev-libs", "category_name": "Libraries and frameworks", "description": "", "recommenders": 3, "commenters": 3, "warners": 0, "score": 2.648, "rising": 0.35, "first": "2026-01-22", "latest": "2026-08-09", "why": "does this and therefore can usually provide accuracy guarantees for the whole floating point range", "why_is_quote": true, "has_verdict": false, "sentiment": {"recommend": 3, "neutral": 0, "compare": 0, "warn": 0}, "spark": [0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0], "listed": true, "loved": [], "caveat": "", "short_quote": "does this and therefore can usually provide accuracy guarantees for the whole floating point range", "kind": "", "icon": true, "domain": "sleef.org", "github_repo": null, "official_url": "https://sleef.org", "pricing": "", "aliases": ["SLEEF", "sleef"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 787757024, "item_id": 49234814, "url": "https://news.ycombinator.com/item?id=49234814", "by": "jwgarber", "date": "2026-08-09", "stance": "recommend", "quote": "a big shout out to AVX-512 and sleef, for numerical work it is just chef's kiss", "excerpt": "Finishing up my GSoC project with MalariaGEN. We're writing a new tool to estimate kinship coefficients between mosquitoes genomes and the project got a lot bigger than I initially planned haha. I'm going to tie up a smaller part for the GSoC submission in August and then keep working on the rest for a paper we're writing up. Also a big shout out to AVX-512 and sleef, for numerical work it is just chef's kiss. For an", "context": "", "use_case": "", "switched_from": "", "story": "Ask HN: What are you working on? (August 2026)"}, {"id": 757565936, "item_id": 47347871, "url": "https://news.ycombinator.com/item?id=47347871", "by": "mkbosmans", "date": "2026-03-12", "stance": "recommend", "quote": "does this and therefore can usually provide accuracy guarantees for the whole floating point range", "excerpt": "One of the ways that the classics can be improved is not to take the analytic ideal coefficients and approximate them to the closest floating point number, but rather take those ideal coefficients as a starting point for a search of slightly better ones. The SLEEF Vectorized Math Library [1] does this and therefore can usually provide accuracy guarantees for the whole floating point range with a polynomial order lowe", "context": "", "use_case": "", "switched_from": "", "story": "Faster Asin() Was Hiding in Plain Sight"}]}], "caveats": [], "who": [], "tags": [], "use_cases": [], "compared": [], "makers": [], "threads": [{"url": "https://news.ycombinator.com/item?id=49233423", "title": "Ask HN: What are you working on? (August 2026)", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=47336111", "title": "Faster Asin() Was Hiding in Plain Sight", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=46676861", "title": "SIMD Programming in Pure Rust", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {}, "2026-01": {"recommend": 1}, "2026-02": {}, "2026-03": {"recommend": 1}, "2026-04": {}, "2026-05": {}, "2026-06": {}, "2026-07": {}, "2026-08": {"recommend": 1}, "2026-09": {}, "2026-10": {}}, "quotes": [{"id": 787757024, "item_id": 49234814, "url": "https://news.ycombinator.com/item?id=49234814", "by": "jwgarber", "date": "2026-08-09", "stance": "recommend", "quote": "a big shout out to AVX-512 and sleef, for numerical work it is just chef's kiss", "excerpt": "Finishing up my GSoC project with MalariaGEN. We're writing a new tool to estimate kinship coefficients between mosquitoes genomes and the project got a lot bigger than I initially planned haha. I'm going to tie up a smaller part for the GSoC submission in August and then keep working on the rest for a paper we're writing up. Also a big shout out to AVX-512 and sleef, for numerical work it is just chef's kiss. For an", "context": "", "use_case": "", "switched_from": "", "story": "Ask HN: What are you working on? (August 2026)"}, {"id": 757565936, "item_id": 47347871, "url": "https://news.ycombinator.com/item?id=47347871", "by": "mkbosmans", "date": "2026-03-12", "stance": "recommend", "quote": "does this and therefore can usually provide accuracy guarantees for the whole floating point range", "excerpt": "One of the ways that the classics can be improved is not to take the analytic ideal coefficients and approximate them to the closest floating point number, but rather take those ideal coefficients as a starting point for a search of slightly better ones. The SLEEF Vectorized Math Library [1] does this and therefore can usually provide accuracy guarantees for the whole floating point range with a polynomial order lowe", "context": "", "use_case": "", "switched_from": "", "story": "Faster Asin() Was Hiding in Plain Sight"}, {"id": 747471904, "item_id": 46716994, "url": "https://news.ycombinator.com/item?id=46716994", "by": "vintagedave", "date": "2026-01-22", "stance": "recommend", "quote": "", "excerpt": "I was surprised not to see Sleef mentioned as an option. It\u2019s available for Rust and handles the architecture agnostic or portable needs they have. https://docs.rs/sleef/latest/sleef/", "context": "", "use_case": "", "switched_from": "", "story": "SIMD Programming in Pure Rust"}]}