v0.9.1

FixedPointNumbers v0.9.1

Diff since v0.9.0

Merged pull requests:

• Fix checked_mul off-by-one, non-finite rem platform dependence, and relax Statistics compat (#330) (@bjarthur)

Closed issues:

• Release version with @asserts removed from precompile (#317)
• 0.9 release notes (#329)

v0.8.6

FixedPointNumbers v0.8.6

Diff since v0.8.5

This release has been identified as a backport.
Automated changelogs for backports tend to be wildly incorrect.
Therefore, the list of issues and pull requests is hidden.

v0.9.0

Changes since v0.8.5:

Breaking / behavioral changes

• Overflow behavior is now consistent across operations. +, - (unary and binary), *, and abs use wrapping (modular) arithmetic, while /, div, fld, cld, rem, and mod use checked arithmetic and throw an error instead of overflowing. In particular, * between Normed values now wraps around on overflow instead of throwing (#236).
• Division by zero now throws a DivideError for /, div, fld, cld, rem, and mod.
• Promotion rules have been commonized between Fixed and Normed (#207). Most notably, Fixed values combined with an Integer now promote to a floating-point type (e.g. Q0f7(0.5) + 1 === 1.5f0); previously the result stayed Fixed. Mixed Fixed/Normed operations also promote to floating point.
• * between Fixed values now rounds ties to even (previously ties rounded up).
• / between Fixed values now rounds to nearest (previously the result was truncated toward zero) and throws on overflow.
• print now emits a plain decimal representation without the type suffix, and show output is more consistent across types (#189, #243).
• The old iterator methods have been removed (#231).
• On Julia >= 1.9, Statistics support is provided via a package extension (#277, #281).

New features

• Checked, wrapping, and saturating arithmetic families let callers choose the overflow behavior explicitly: checked_* (extending Base.Checked) plus the exported wrapping_* and saturating_* counterparts for neg/abs/add/sub/mul/div/fld/cld/rem/mod, and wrapping_fdiv/saturating_fdiv/checked_fdiv (#190, #210, #217, #222, #226, #230).
• round now supports the digits keyword argument (#235).
• Improved generation of type aliases (#233).
• Better conversion and overflow error messages (#205, #214).

Performance improvements

• Faster multiplication for Normed (#213) and Fixed (#220).
• Improved isapprox (#216).
• rand uses the sampler-based Random API (#206).

Note: for 64-bit types (Fixed{Int64}, Normed{UInt64}), /, div, rem, and their variants are computed via BigFloat — exact, but slow and allocating compared to the narrower types.

Bug fixes

• Fixed % Normed{UInt32} on ARM and improved NaN % FixedPoint (#223).
• Avoided inconsistent unsafe_trunc behavior with BigFloat (#212).

Full changelog: v0.8.5...v0.9.0

v0.8.5

FixedPointNumbers v0.8.5

Diff since v0.8.4

Merged pull requests:

• Update workflows (#299) (@kimikage)
• Update tests (#300) (@kimikage)
• Backport "Fix _unsafe_trunc to reduce the likelihood of arbitrary values (#291)" (#301) (@kimikage)
• Version 0.8.5 (#302) (@kimikage)

Closed issues:

v0.8.4

FixedPointNumbers v0.8.4

Diff since v0.8.3

Closed issues:

• Overflow in N63f1(Float64(typemax(N63f1))) and so on (#200)
• MSB may be cleared in conversion from BigFloat on ARM (#202)

Merged pull requests:

• Fix overflow in Float --> Normed{T,f} conversions where f == 1 (#201) (@kimikage)
• Fix _unsafe_trunc for BigFloat on ARM (#203) (@kimikage)
• [CI] use Github Actions and update test targets (#204) (@johnnychen94)

v0.8.3

FixedPointNumbers v0.8.3

Diff since v0.8.2

Closed issues:

• performance on clamp (#179)
• Adding big(::FixedPoint) and rationalize(::FixedPoint) (#184)

Merged pull requests:

• Add big() and rationalize() for FixedPoint (#186) (@kimikage)
• Specialize sign-related functions (#187) (@kimikage)
• Optimize clamp (#194) (@kimikage)
• Add bitstring for FixedPoint numbers (#195) (@kimikage)
• Version 0.8.3 (#198) (@kimikage)

v0.8.2

FixedPointNumbers v0.8.2

Diff since v0.8.1

Closed issues:

• [RFC] Promotion rules for overflow reduction (#167)

Merged pull requests:

• Support floattype(Rational) and require <:AbstractFloat for fallback (#177) (@timholy)
• Fix reductions in Statistics (#183) (@timholy)
• Update tests for show/summary (#191) (@kimikage)
• Version 0.8.2 (#193) (@kimikage)

v0.8.1

FixedPointNumbers v0.8.1

Diff since v0.8.0

Merged pull requests:

• Install TagBot as a GitHub Action (#176) (@JuliaTagBot)
• Put information in README regarding overflow, and add CONTRIBUTING (#178) (@timholy)
• Reduce invalidations of other methods (#180) (@timholy)

v0.8.0

v0.8.0 (2020-02-03)

Diff since v0.7.1

Closed issues:

• Optimizing Fixed --> Float conversions (#171)
• Float64->UInt8 unexpectedly get affected in v0.7.0 (#164)
• Problems with conversions from Rational (#157)
• [RFC] Acceptable input ranges (#156)
• Upper limit of the number of fractional bits f (#155)
• Inconsistent Integer results (#154)
• Adding rounding functions for Fixed (#153)
• Rounding errors in rem of Normed (#150)
• [RFC/Coffee Break] What about a new type NormedFloat? (#147)
• isinteger(::Normed) incorrect (#120)

Merged pull requests:

• Version 0.8.0 (#175) (kimikage)
• Optimize Fixed --> Float conversions (#172) (kimikage)
• Modify Fixed constructors (#170) (kimikage)
• Add support for Normed construction from Rational (Fixes #157) (#169) (kimikage)
• [RFC] Commonize further code between Fixed and Normed (#168) (kimikage)
• Improve accuracy of rem with Normed types (e.g. ::Float32 % N0f32) (#166) (kimikage)
• Fix isinteger (#165) (kimikage)
• Fix range construction and length (#163) (timholy)
• Work around JuliaLang/julia#34121 (#160) (kimikage)
• [RFC] Add depwarn in constructor of Fixed{T,f} where f == 8sizeof(T) (#159) (kimikage)
• Add rounding functions for Fixed (Fixes #153) (#158) (kimikage)
• Commonize code between Fixed and Normed (#151) (kimikage)

v0.7.1

v0.7.1 (2020-01-07)

Diff since v0.7.0

Merged pull requests:

• Work around JuliaLang/julia#34121 and Release 0.7.1 (#161) (kimikage)