# \#decimalfloatingpoint

**URL:** https://forums.swift.org/tag/decimalfloatingpoint/844.md

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## [FixedPointDecimal — exact decimal arithmetic, 50x–1000x faster than Foundation.Decimal](https://forums.swift.org/t/fixedpointdecimal-exact-decimal-arithmetic-50x-1000x-faster-than-foundation-decimal/85642)

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**Author:** [@hassila](https://forums.swift.org/u/hassila)\
**Replies:** 13\
**Last updated:** [April 7, 2026, 7:15pm UTC](https://forums.swift.org/t/fixedpointdecimal-exact-decimal-arithmetic-50x-1000x-faster-than-foundation-decimal/85642 "2026-04-07T19:15:56Z")

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FixedPointDecimal — high-performance fixed-point decimal arithmetic for Swift A few weeks ago we open sourced FuzzyMatch, our fuzzy string matching library built with Claude Code. That experiment went well enough that we…

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## [DecimalFloatingPoint Protocol Review](https://forums.swift.org/t/decimalfloatingpoint-protocol-review/65047)

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**Author:** [@mgriebling](https://forums.swift.org/u/mgriebling)\
**Replies:** 22\
**Last updated:** [October 26, 2023, 10:01pm UTC](https://forums.swift.org/t/decimalfloatingpoint-protocol-review/65047 "2023-10-26T22:01:12Z")

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In another post, @scanon outlined some basic requirements before we can define fixed-width Decimal numbers: There is now a newly updated DecimalFloatingPoint protocol incorporating all known comments to be reviewed by…

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## [Arbitrary (and fixed) Precision Decimal Floating-Point Swift Package](https://forums.swift.org/t/arbitrary-and-fixed-precision-decimal-floating-point-swift-package/66056)

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**Author:** [@mgriebling](https://forums.swift.org/u/mgriebling)\
**Replies:** 3\
**Last updated:** [August 19, 2023, 2:25am UTC](https://forums.swift.org/t/arbitrary-and-fixed-precision-decimal-floating-point-swift-package/66056 "2023-08-19T02:25:51Z")

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BigDecimal The BigDecimal package provides arbitrary-precision (with an adjustable upper limit for performance) and fixed-precision decimal arithmetic in Swift. It is available from GitHub here. Its functionality falls…