v4.0.1

What's Changed

• Exclude dependabot updates from release note by @hsbt in #474
• Remove unused variable (and add test for it) by @tompng in #475
• Remove "Which version should you select" section by @tompng in #476
• Bump version to v4.0.1 by @tompng in #477

Full Changelog: v4.0.0...v4.0.1

v4.0.0

What's Changed

• Fix x**y, x.power(y, 0) and x.sqrt(0) calculates huge digits if precision limit is huge by @tompng in #445
• Implement major math functions by @tompng in #336
• Fix fast-path of frac and _decimal_shift affected by BigDecimal.limit by @tompng in #447
• Update the latest versions of actions by @hsbt in #449
• Add missing bigmath precision test, add missing indent by @tompng in #450
• Make BigMath.exp and log also a module_method by @tompng in #452
• Fix incorrect exception when exponent is fractional for Infinity base by @troy-dunamu in #453
• Bump step-security/harden-runner from 2.13.1 to 2.13.2 by @dependabot[bot] in #454
• Don't use assert_separatly if not needed by @tompng in #455
• Bump actions/checkout from 5.0.0 to 6.0.0 by @dependabot[bot] in #456
• Bump actions/checkout from 5.0.1 to 6.0.0 by @dependabot[bot] in #457
• Add missing BigMath test for jruby by @tompng in #459
• Change remainder/modulo/divmod test of +0/-0 type tolerant by @tompng in #460
• Cast divmod quotient to int by @mrzasa in #312
• Bump actions/checkout from 6.0.0 to 6.0.1 by @dependabot[bot] in #462
• Bump step-security/harden-runner from 2.13.2 to 2.13.3 by @dependabot[bot] in #461
• Implement BigMath.erf(x, prec) and BigMath.erfc(x, prec) by @tompng in #357
• Implement BigMath.gamma and BigMath.lgamma by @tompng in #451
• Fix typos + improve copy/paste in readme by @tas50 in #463
• Fix inaccurate calculation (last digit) and add a workaround for add/sub hang bug by @tompng in #465
• Fix lgamma precision around 1 and 2 by @tompng in #466
• Fix lgamma precision when gamma(negative_x).abs nearly equals 1 by @tompng in #467
• Implement BigMath.frexp and ldexp with exponent of 10 by @tompng in #448
• Bump step-security/harden-runner from 2.13.3 to 2.14.0 by @dependabot[bot] in #468
• Better rounding of BigMath.atan(nearly_one, prec) by @tompng in #469
• Remove deprecated method BigDecimal#precs by @tompng in #470
• Deprecate ludcmp, jacobian and newton by @tompng in #471
• Bump version to v4.0.0 by @tompng in #472

New Contributors

• @troy-dunamu made their first contribution in #453
• @tas50 made their first contribution in #463

Full Changelog: v3.3.1...v4.0.0

v3.3.1

What's Changed

• Fix modulo/remainder of negative zero by @tompng in #441
• Unify all precision validation to be consistent with BigDecimal#add by @tompng in #442
• Bump version to 3.3.1 by @tompng in #443

Full Changelog: v3.3.0...v3.3.1

v3.3.0

What's Changed

• Allow calling Rational#to_d without arguments by @fsateler in #421
• Fix test_no_memory_leak failure by @tompng in #424
• Change BigMath.sin and cos to always calculate in relative precision. by @tompng in #422
• Faster exp calculation by @tompng in #399
• Rename assert_relative_precision to assert_converge_in_precision by @tompng in #425
• Add support for tangent function by @rhannequin in #231
• Make bigdecimal.rb work in JRuby by @tompng in #420
• BigMath methods common interface: coerce x, validate prec, check nan error by @tompng in #415
• Round result of sqrt and BigMath methods by @tompng in #427
• Update example calculation result in BigMath document by @tompng in #428
• BigMath.log(0,n)==-Infinity just like Math.log(0) by @tompng in #430
• Fix divmod and modulo by infinity to match Float#divmod and Float#modulo by @tompng in #429
• Bump step-security/harden-runner from 2.13.0 to 2.13.1 by @dependabot[bot] in #431
• Make internal BigMath method a private method by @tompng in #432
• Improve performance of x**y when y is a huge value by @tompng in #438
• Fix precision of x.power(y, prec) when the result is nearly infinity by @tompng in #439
• Bump version to 3.3.0 by @tompng in #437

New Contributors

• @fsateler made their first contribution in #421

Full Changelog: v3.2.3...v3.3.0

v3.2.3

What's Changed

• Fix sign of bigdecimal**bigint by @tompng in #341
• Fix BigMath.atan precision safe margin by @tompng in #320
• Fix typo in BigDecimal#scale comment by @timcraft in #348
• Allow BigDecimal accept Float without precision by @mrzasa in #314
• Fix edgecase segfault of BigDecimal#remainder by @tompng in #349
• Fix precision of BigMath.sin(x,prec) and BigMath.cos(x,prec) for large x by @tompng in #346
• Fix wrong converge check in VpSqrt by @tompng in #353
• Bump step-security/harden-runner from 2.12.0 to 2.12.1 by @dependabot[bot] in #356
• Ensure BigMath.sin and BigMath.cos to be within -1..1 by @tompng in #317
• Remove BigDecimal_divremain(which has a bug) and use BigDecimal_DoDivmod instead by @tompng in #351
• Bump step-security/harden-runner from 2.12.1 to 2.12.2 by @dependabot[bot] in #359
• Remove back pointer from Real to VALUE by @tompng in #344
• Update docs for #to_d core extensions by @dduugg in #360
• Fix compiling issue (when BIGDECIMAL_DEBUG is 1) by @tompng in #363
• Use a correct term: engineering notation -> scientific notation by @mame in #365
• Fix to_f underflow check when DECDIG is uint16_t by @tompng in #364
• Fix VpNumOfChars calculation for the longest case by @tompng in #366
• Fix a bug that exponent overflow is ignored in add, sub, mult and div operation by @tompng in #367
• Fix dump/load bigdecimal with few or large precs by @tompng in #362
• Refactor AddExponent overflow/underflow check by @tompng in #368
• Strict BigDecimal("0.1e#{exponent}") exponent overflow/underflow check by @tompng in #369
• Add DECDIG=16bit CI workflow by @tompng in #370
• Fix wrong multiplying BASE_FIG in precision calculation by @tompng in #372
• Remove debug print by @tompng in #375
• Remove unused #define macros by @tompng in #376
• VpDivd bugfix by @tompng in #374
• Fix VpDivd to fully use quotient array by @tompng in #377
• Add RB_GC_GUARD to test-only methods by @tompng in #378
• Use minimum necessary division precision in BigDecimal_DoDivmod by @tompng in #371
• Remove dead code and ineffective optimization path form VpDivd by @tompng in #379
• Implement exp, log, power and ** in ruby by @tompng in #347
• Remove unused "# define" macros by @tompng in #382
• Bump step-security/harden-runner from 2.12.2 to 2.13.0 by @dependabot[bot] in #383
• VpFormatSt O(n^2) to O(n) by @tompng in #384
• Ignore ndigits passed to BigDecimal(string, ndigits) by @tompng in #385
• Better error message for negative**intinite and zero-converge case fix by @tompng in #386
• Refactor truncate floor and ceil duplicated part by @tompng in #387
• Fix exp log power to raise "Computation results in Infinity/NaN" in EXCEPTION_INFINITY/EXCEPTION_NaN mode by @tompng in #389
• Reduce guard obj by @tompng in #390
• Remove ENTER and GUARD_OBJ macro by @tompng in #391
• Coerce to bigdecimal refactor by @tompng in #392
• Coerce rational with the given prec in exp, log and power calculation by @tompng in #393
• Unify coerce prec calculation by @tompng in #394
• Use bool instead of Qtrue/Qfalse for normal c boolish value by @tompng in #395
• Fix adjusting x to 0.3..3 in log calculation by @tompng in #397
• missing.h cleanup by @tompng in #396
• Hide internal method of BigMath into BigDecimal::Internal by @tompng in #400
• Remove gc_compaction test by @tompng in #401
• Bump actions/checkout from 4 to 5 by @dependabot[bot] in #402
• Fix VpMult result size calculation by @tompng in #403
• Fix GetAddSubPrec calculation by @tompng in #406
• Fix PrecLimit not restored on exception by @tompng in #405
• Fix div,modulo,remainder and divmod precision when prec limit is specified by @tompng in #408
• Fix x.fix and x.frac affected by prec limit, Stop -x and x.abs round with prec limit by @tompng in #409
• Don't use ZeroWrapLimited. Use unlimited version instead. by @tompng in #410
• Fix x / y precision when prec limit is huge by @tompng in #412
• Calculate exp, log, pow with the given prec even if prec limit is set by @tompng in #411
• Simplify to_i logic by @tompng in #413
• Add BigMath::E and BigMath::PI precision test by @tompng in #414
• Rewrite BigDecimal#sqrt in ruby with improved Newton's method by @tompng in #381
• Update bigdecimal version used in benchmark from 3.0.0 to 3.1.1 by @tompng in #416
• Implement BigDecimal#_decimal_shift for internal use by @tompng in #324
• In JRuby, don't add sqrt, exp, log, power implemented in ruby by @tompng in #417
• Add JRuby minimum ci by @tompng in #418
• Bump version to 3.2.3 by @tompng in #419

New Contributors

• @timcraft made their first contribution in #348
• @dduugg made their first contribution in #360

Full Changelog: v3.2.2...v3.2.3

v3.2.2

What's Changed

• Make precision calculation in bigdecimal.div(value, 0) gc-compaction safe by @tompng in #339

Full Changelog: v3.2.1...v3.2.2

v3.2.1

What's Changed

• Enabled trusted publisher for rubygems.org by @hsbt in #333
• Fix division precision limit by @tompng in #335

Full Changelog: v3.2.0...v3.2.1

v3.2.0

What's Changed

• Fix spec NoMethodError message for .allocator on truffle Ruby by @mrzasa in #313
• Remove outdated BigMath.atan document that refers to convergence by @tompng in #318
• Add a precision assertion to BigMath test by @tompng in #316
• Use Ractor#value as Ractor#take is removed by @ko1 in #327
• Indent multiline call-seq comment by @tompng in #311
• Integrate BigDecimal_div and BigDecimal_div2 by @tompng in #329
• Fix division rounding by @tompng in #330

New Contributors

• @tompng made their first contribution in #318
• @ko1 made their first contribution in #327

Full Changelog: v3.1.9...v3.2.0

v3.1.8

What's Changed

• Restore TruffleRuby on CI by @andrykonchin in #292
• Fix memory leak in VpAlloc by exception by @mrkn in #294
• Add missing documents by @nobu in #277
• Provide a 'Changelog' link on rubygems.org/gems/bigdecimal by @mark-young-atg in #281

New Contributors

• @andrykonchin made their first contribution in #292
• @mark-young-atg made their first contribution in #281

Full Changelog: v3.1.7...v3.1.8

v3.1.7

What's Changed

• Use macos-arm-oss and latest versions for test and benchmark CI by @hsbt in #285
• Support Ruby 3.4's new error message format by @mame in #286
• Rename rake spec with rake test in documentation by @rhannequin in #287

New Contributors

• @mame made their first contribution in #286
• @rhannequin made their first contribution in #287

Full Changelog: v3.1.6...v3.1.7