{ "_id": "6a631067d3420cf5dfdb69b9", "Package": "PreciseSums", "Title": "Accurate Floating Point Sums and Products", "Version": "0.7", "Authors@R": "c(person(\"Matthew\",\"Fidler\",\nrole = c(\"aut\",\"cre\",\"cph\"), email = \"matthew.fidler@gmail.com\"),\nperson(\"Raymond\",\"Hettinger\",role=c(\"cph\",\"aut\")),\nperson(\"Jonathan\", \"Shewchuk\",role=c(\"cph\",\"aut\")),\nperson(\"Julian\", \"Taylor\",role=c(\"cph\",\"aut\")),\nperson(\"Nathaniel\", \"Smith\",role=c(\"cph\",\"aut\")),\nperson(\"NumPy Team\", role=\"cph\"),\nperson(\"Python Team\", role=\"cph\")\n)", "Description": "Most of the time floating point arithmetic does\napproximately the right thing. When adding sums or having\nproducts of numbers that greatly differ in magnitude, the\nfloating point arithmetic may be incorrect. This package\nimplements the Kahan (1965) sum ,\nNeumaier (1974) sum ,\npairwise-sum (adapted from 'NumPy', See Castaldo (2008)\n for a discussion of accuracy), and\narbitrary precision sum (adapted from the fsum in 'Python' ;\nShewchuk (1997)\n). In\naddition, products are changed to long double precision for\naccuracy, or changed into a log-sum for accuracy.", "License": "GPL (>= 2)", "Encoding": "UTF-8", "RoxygenNote": "7.3.2", "BugReports": "https://github.com/nlmixr2/PreciseSums/issues/", "URL": "https://github.com/nlmixr2/PreciseSums", "Repository": "https://nlmixr2.r-universe.dev", "Date/Publication": "2024-09-17 21:38:56 UTC", "RemoteUrl": "https://github.com/nlmixr2/PreciseSums", "RemoteRef": "HEAD", "RemoteSha": "2f3c623a3c58db011ef71dc76cbca0037c4af570", "NeedsCompilation": "yes", "Packaged": { "Date": "2026-07-24 06:20:55 UTC", "User": "root" }, "Author": "Matthew Fidler [aut, cre, cph],\nRaymond Hettinger [cph, aut],\nJonathan Shewchuk [cph, aut],\nJulian Taylor [cph, aut],\nNathaniel Smith [cph, aut],\nNumPy Team [cph],\nPython Team [cph]", "Maintainer": "Matthew Fidler ", "_user": "nlmixr2", "_type": "src", "_file": "PreciseSums_0.7.tar.gz", "_fileid": "https://r2.ropensci.org/a7a48f4fefb9b3423b25739e3648753239ae88de947edd6facf51fd34248b97d", "_filesize": 101832, "_sha256": "a7a48f4fefb9b3423b25739e3648753239ae88de947edd6facf51fd34248b97d", "_expires": "2026-11-01T07:12:38.000Z", "_created": "2026-07-24T06:20:55.000Z", "_published": "2026-07-24T07:12:39.636Z", "_jobs": [ { "job": 89414692899, "time": 103, "config": "linux-devel-arm64", "r": "4.7.0", "check": "OK", "artifact": "8588400796" }, { "job": 89414692858, "time": 114, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "8588403760" }, { "job": 89414692857, "time": 91, "config": "linux-release-arm64", "r": "4.6.1", "check": "OK", "artifact": "8588397256" }, { "job": 89414692833, "time": 107, "config": "linux-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "8588401818" }, { "job": 89414692861, "time": 75, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "8589293735" }, { "job": 89414692846, "time": 241, "config": "macos-oldrel-x86_64", "r": "4.5.3", "check": "OK", "artifact": "8589217897" }, { "job": 89414692869, "time": 71, "config": "macos-release-arm64", "r": "4.6.1", "check": "OK", "artifact": "8589375019" }, { "job": 89414692865, "time": 139, "config": "macos-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "8589181791" }, { "job": 89414304971, "time": 160, "config": "source", "r": "4.6.1", "check": "OK", "artifact": "8588369903" }, { "job": 89414692817, "time": 107, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "8588401573" }, { "job": 89414692824, "time": 68, "config": "windows-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "8588390558" }, { "job": 89414692838, "time": 76, "config": "windows-oldrel-x86_64", "r": "4.5.3", "check": "OK", "artifact": "8588394012" }, { "job": 89414692811, "time": 69, "config": "windows-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "8588390841" } ], "_host": "GitHub-Actions", "_buildurl": "https://github.com/r-universe/nlmixr2/actions/runs/30071867973", "_status": "success", "_upstream": "https://github.com/nlmixr2/PreciseSums", "_commit": { "id": "2f3c623a3c58db011ef71dc76cbca0037c4af570", "author": "Matthew Fidler ", "committer": "Matthew Fidler ", "message": "Remove invalid url\n", "time": 1726609136 }, "_maintainer": { "name": "Matthew Fidler", "email": "matthew.fidler@gmail.com", "login": "mattfidler", "description": "Also a Novartis employee; Can reach me at my Novartis email: matt.fidler@novartis.com", "uuid": 514778 }, "_distro": "resolute", "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 3.2", "role": "Depends" }, { "package": "testthat", "role": "Suggests" } ], "_owner": "nlmixr2", "_selfowned": true, "_usedby": 21, "_updates": [], "_tags": [], "_stars": 1, "_contributors": [ { "user": "mattfidler", "count": 36, "uuid": 514778 } ], "_userbio": { "uuid": 94710774, "type": "organization", "name": "nlmixr2", "followers": 57 }, "_downloads": { "count": 1516, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/PreciseSums" }, "_devurl": "https://github.com/nlmixr2/precisesums", "_searchresults": 6, "_rbuild": "4.6.1", "_assets": [ "extra/citation.cff", "extra/citation.html", "extra/citation.json", "extra/citation.txt", "extra/contents.json", "extra/NEWS.html", "extra/NEWS.txt", "extra/PreciseSums.html", "extra/readme.html", "extra/readme.md", "manual.pdf" ], "_homeurl": "https://github.com/nlmixr2/precisesums", "_realowner": "nlmixr2", "_cranurl": true, "_releases": [ { "version": "0.1", "date": "2017-11-14" }, { "version": "0.3", "date": "2018-04-12" }, { "version": "0.4", "date": "2020-07-10" }, { "version": "0.5", "date": "2022-04-22" }, { "version": "0.6", "date": "2023-04-22" }, { "version": "0.7", "date": "2024-09-17" } ], "_exports": [ ".preciseSumsPtr", "fsum", "kahanSum", "neumaierSum", "pairwiseSum", "psProd", "psSetProd", "psSetSum", "psSum" ], "_help": [ { "page": "fsum", "title": "Return an accurate floating point sum of values", "topics": [ "fsum" ] }, { "page": "kahanSum", "title": "Using the Kahan method, take a more accurate sum", "topics": [ "kahanSum" ] }, { "page": "neumaierSum", "title": "Using the Neumaier method, take a more accurate sum", "topics": [ "neumaierSum" ] }, { "page": "pairwiseSum", "title": "Return an accurate floating point sum of values", "topics": [ "pairwiseSum" ] }, { "page": "psProd", "title": "Using PreciceSums's default method, take a product", "topics": [ "psProd" ] }, { "page": "psSetProd", "title": "Choose the type of product to use in PreciceSums. 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