CHANGES

4.1.2

• Fix dtoa Ractor-safety bug. Update dtoa to version from Ruby 4.0 [GH-528]

  @jhawthorn

• Optimize BigDecimal#to_s [GH-519]

  @byroot

4.1.1

• Make BigDecimal object embedded [GH-507]

  @byroot

• Multiplication with 16-decdig batch [GH-501] [GH-511]

  @tompng

4.1.0

• Drop Ruby 2.5 support [GH-505]

  @tompng

• Performance improvements: NTT multiplication, Newton-Raphson division, bit-burst algorithm for exp/sin, Gauss-Legendre for PI, improved log, and faster add/sub for large exponent differences [GH-407] [GH-433] [GH-434] [GH-478] [GH-484]

  @tompng

• Remove ENABLE_NUMERIC_STRING flag [GH-479]

  @tompng

• Add RBS signature and testing [GH-488] [GH-492]

  @ksss

• Fix erfc(x,prec) precision when x is huge [GH-502]

  @tompng

• Fix error compiling with ruby.wasm [GH-504]

  @tompng

4.0.1

• Fix warning [GH-475]

  @tompng

4.0.0

• BigDecimal#divmod return value changed to [Integer, BigDecimal] [GH-312]

  @mrzasa

• Remove BigDecimal#precs [GH-470]

  @tompng

• BigMath now supports all functions defined in Math module [GH-336] [GH-357] [GH-451] [GH-448]

  @tompng

• Fix incorrect exception when exponent is fractional for Infinity base [GH-453]

  @troy-dunamu

• Deprecate bigdecimal/jacobian, bigdecimal/ludcmp and bigdecimal/newton [GH-471]

  @tompng

3.3.1

• All BigMath methods converts non integer precision with to_int

  @tompng

3.3.0

• Allow calling to_d without arguments [GH-421]

  @fsateler

• Calculate BigMath.sin and cos in relative precision [GH-422]

  @tompng

• Add support for tangent function [GH-231]

  @rhannequin

• BigMath methods accepts numeric as an argument [GH-415]

  @tompng

• Round result of sqrt and BigMath methods [GH-427]

  @tompng

3.2.3

• Allow BigDecimal accept Float without precision [GH-314]

  @mrzasa

• Ruby implementation pow, log, exp and sqrt [GH-347] [GH-381]

  @tompng

• Update document [GH-348] [GH-360] [GH-365]

  @timcraft @dduugg @mame

• Lots of bug fixes and refactoring

3.2.2

• Make precision calculation in bigdecimal.div(value, 0) gc-compaction safe. [GH-340]

  @tompng

3.2.1

• Fix division precision limit. [GH-335]

  @tompng

3.2.0

• Fix division rounding. [GH-330] [GH-328]

  @tompng

• Fix exponential precision growth in division. [GH-329] [GH-220] [GH-222] [GH-272]

  @tompng

3.1.9

• Accept no digits in the fractional part (#302)

  @kou

3.1.8

• Add missing documents [GH-277]

  @nobu

• Fix memory leak in VpAlloc [GH-294] [GH-290]

  Reported by @MaxLap

3.1.7

• Only consists of CI settings and test changes. This release is needed for developing Ruby to run make test-bundled-gems with the released version of bigdecimal.

3.1.6

• Add LICENSE file to gem files [GH-282]

  @oleksii-leonov

3.1.5

• Add .to_s('F') digit grouping for integer part [GH-264]

  @cryptogopher

3.1.4

• Handle correctly #reminder with infinity. Fixes [GH-187] [GH-243]

  @mrzasa

3.1.3

• Adjust a local variable type to exponent. [GH-223]
• Remove checks for struct RRational and struct RComplex . [GH-233]
• Suppress macro redefinition warnings. [GH-239]

3.1.2

• Fix the maximum precision of the quotient. [GH-220]

  Reported by @grk

3.1.1

• Fix the result precision of BigDecimal#divmod. [GH-219]

  Kenta Murata

3.1.0

• Improve documentation [GH-209]

  Burdette Lamar

• Let BigDecimal#quo accept precision. [GH-214] [Bug #8826]

  Reported by Földes László

• Allow passing both float and precision in BigDecimal#div. [GH-212] [Bug #8826]

  Reported by Földes László

• Add BigDecimal#scale and BigDecimal#precision_scale

  Kenta Murata

• Fix a bug of BigDecimal#precision for the case that a BigDecimal has single internal digit [GH-205]

  Kenta Murata

• Fix segmentation fault due to a bug of VpReallocReal

  Kenta Murata

• Use larger precision in divide for irrational or recurring results. [GH-94] [Bug #13754]

  Reported by Lionel PERRIN

• Fix negative Bignum conversion [GH-196]

  Jean byroot Boussier

• Fix grammar in error messages. [GH-196]

  Olle Jonsson

• Improve the conversion speed of Kernel#BigDecimal and to_d methods.

  Kenta Murata

• Fix trailing zeros handling in rb_uint64_convert_to_BigDecimal. [GH-192]

  Reported by @kamipo

• Permit 0 digits in BigDecimal(float) and Float#to_d. It means auto-detection of the smallest number of digits to represent the given Float number without error. [GH-180]

  Kenta Murata

• Fix precision issue of Float. [GH-70] [Bug #13331]

  Reported by @casperisfine

3.0.2

This version is totally same as 3.0.0. This was released for reverting 3.0.1.

• Revert the changes in 3.0.1 due to remaining bugs.

3.0.1

This version is yanked due to the remaining bugs.

3.0.0

• Deprecate BigDecimal#precs.

  Kenta Murata

• Add BigDecimal#n_significant_digits.

  Kenta Murata

• Add BigDecimal#precision.

  Kenta Murata

• Ractor support.

  Kenta Murata

• Fix a bug of the way to undefine allocate method.

  Kenta Murata

• Fix the default precision of Float#to_d. [Bug #13331]

  Kenta Murata

2.0.2

• Deprecate taint/trust and related methods, and make the methods no-ops

  Jeremy Evans

• Make BigDecimal#round with argument < 1 return Integer

  Jeremy Evans

• Use higher default precision for BigDecimal#power and #**

  Jeremy Evans Kenta Murata

2.0.1

• Let BigDecimal#to_s return US-ASCII string

  Kenta Murata

2.0.0

• Remove BigDecimal.new

  Kenta Murata

• Drop fat-gem support

  Akira Matsuda

• Do not mutate frozen BigDecimal argument in BigMath.exp

  Jeremy Evans

• Make Kernel#BigDecimal return argument if given correct type [Bug #7522]

  Jeremy Evans

• Undef BigDecimal#initialize_copy

  Jeremy Evans

• Support conversion from Complex without the imaginary part

  Kenta Murata

• Remove taint checking

  Jeremy Evans

• Code maintenance

  Nobuyoshi Nakada

1.4.4

• Fix String#to_d against the string with trailing "e" like "1e"

  Ibrahim Awwal

• Add BigDecimal.interpret_loosely, use it in String#to_d, and remove bigdecimal/util.so and rmpd_util_str_to_d

  Kenta Murata

1.4.3

• Restore subclassing support

  Kenta Murata

1.4.2

• Fix gem installation issue on mingw32.

  Kenta Murata

1.4.1

• Fix wrong packaging.

  Ben Ford

1.4.0

• Update documentation of exception: keyword.

  Victor Shepelev

• Fix VpAlloc so that '1.2.3'.to_d is 1.2

  Nobuyoshi Nakada

• Restore BigDecimal.new just for version 1.4 for very old version of Rails

  Kenta Murata

• Support exception: keyword in BigDecimal()

  Kenta Murata

• Remove BigDecimal#initialize

  Kenta Murata

• Fix the string parsing logic in BigDecimal() to follow Float()

  Kenta Murata

• Fix String#to_d to follow String#to_f

  Kenta Murata

• Update BigDecimal#inspect documentation

  Dana Sherson

• Remove BigDecimal.ver, BigDecimal.allocate, and BigDecimal.new

  Kenta Murata

• No more support Ruby < 2.3

  Kenta Murata

• Make BigDecimal objects frozen

  Kenta Murata

• Remove division by zero from the internal implementation

  Urabe, Shyouhei

1.3.5

• Add NilClass#to_d

  Jose Ramon Camacho

1.3.4

• Stop deprecation warning in dup and clone, and just return self

  Kenta Murata

• Improve warning message in BigDecimal.new

  Masataka Pocke Kuwabara

1.3.3

• Introduce BigDecimal::VERSION, deprecate BigDecimal.ver, and follow this version string to gem's version.

  Kenta Murata

• Deprecate BigDecimal.new

  Kenta Murata

• Deprecate BigDecimal#clone and #dup

  Kenta Murata

• Relax the dependent version of rake-compiler

  yui-knk

• Works for better windows cross-compilation support

  SHIBATA Hiroshi

• Use Bundler::GemHelper.install_tasks instead of bundler/gem_tasks

  SHIBATA Hiroshi

• Remove the old gemspec file

  yui-knk

• Fix for mathn removal in Ruby 2.5

  SHIBATA Hiroshi

• Update ruby versions in .travis.yml

  Jun Aruga

• Add tests for BigDecimal#truncate

  yui-knk

• Add tests for BigDecimal#round

  yui-knk

• Fix error message for precision argument

  Marcus Stollsteimer

1.3.2 and older

Omitted.