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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

2.6.0 - 2024-07-31

Added

  • Add parser support for implicit multiplication (thanks juca1331)

Changed

  • Drop support for Dart SDK versions below 3.1.0

2.5.0 - 2024-04-16

Added

Changed

  • Drop support for Dart SDK versions below 3.0.0
  • Refactor unit test suites and improve test coverage
  • Switch from pedantic to the official Dart lint rules

2.4.0 - 2023-04-05

Added

  • Add UnaryPlus operator (thanks jpnurmi)

Changed

  • Improve evaluation of unary minus as an exponent of a power (thanks edhom)
  • Use markdown LaTeX instead of images in README (thanks dvirberlo)

2.3.1 - 2022-05-30

Changed

  • Evaluate roots written as powers correctly for negative bases (thanks edhom)

2.3.0 - 2021-12-21

Added

Changed

2.2.0 - 2021-08-04

  • Add algorithmic function that is bound to a Dart handler function, including parser support (thanks kamimark)

2.1.1 - 2021-05-02

  • Fix inaccuracies in sin/cos/tan when using math.pi (machine pi) (thanks mbullington)

2.1.0 - 2021-03-17

  • Bumped to stable release.

2.1.0-nullsafety.0 - 2021-03-12

  • Drop support for Dart SDK versions below 2.12.0
  • Migrate to null safety (thanks albertodev01)

2.0.2 - 2021-01-08

  • Lower precedence of unary minus below power operator to match common mathematics conventions so that -x^y is parsed as -(x^y) instead of (-x)^y

2.0.1 - 2020-09-07

  • Add ability to unbind variable names (by wdavies973)
  • Fix parsing of ceil function (by pepsin)

2.0.0 - 2020-03-08

  • Drop support for Dart SDK versions below 2.1.1
  • Enable unnecessary_new lint rule
  • Parser throws FormatException instead of StateError or ArgumentError for invalid input string
  • Remove underscore syntax previously supported for unary minus
  • Fix toString() parser compatibility for the following expressions:
    • Logarithm function: Change string representation from log_b(x) to log(b, x)
    • N-th root function: Change string representation from nrt_n(x) to nrt(n, x)
    • Exponential function: Change string representation from exp(x) to e(x)

1.1.1 - 2019-04-16

  • Package health and maintenance cleanups

1.1.0 - 2019-04-16

  • Drop support for Dart SDK versions below 2.0.0
  • Add arcsin, arccos, arctan functions
  • Fix floor and ceil functions
  • Update examples and documentation
  • Switch to pedantic analysis options

1.0.0 - 2018-08-11

  • Add support for Dart 2.0
  • Drop support for Dart SDK versions below 1.24.0
  • Depend on vector_math 2.0.0 or newer

0.4.0 - 2018-08-10

  • Last release to only support Dart 1.x
  • Prepare for Dart 2.0
  • Enable strong mode
  • Analyzer and linter fixes
  • Drop support for Dart SDK versions below 1.21.0

0.3.0 - 2016-07-09

  • Rename Point3D to Point3
  • Point3 now is a subtype of Vector3
  • Add mod (%) operator and ceil, floor functions
  • Fixing a few missed chain rules in derive

0.2.0+1 - 2015-12-30

  • Depend on vector_math 1.4.4 or greater

0.2.0 - 2015-11-19

  • Add support for basic vector operations
  • Switch to using test instead of unittest package
  • Warning: Depends on git version of vector_math as latest pub release is severely outdated

0.1.0 - 2014-07-19

  • Add absolute value function (by markhats)
  • Add sign function
  • Improve test coverage
  • Adapt string representation of unary minus to standard syntax

0.0.9 - 2014-03-30

  • To create exponentials, use e(x) or e^x. Consequently, removed support for exp(x).
  • Improve test coverage
  • Update dependencies

0.0.8 - 2013-12-10

  • Bring back standard syntax for unary minus: -5 works now. (by markhats)
  • Add parser support for e^x additional to exp(x). (by markhats)

0.0.7 - 2013-11-09

  • Introduce nested context/naming scopes
  • Improve vector evaluation
  • Add some missing methods
  • Improve test coverage (custom and composite functions)
  • Remove boilerplate code

0.0.6 - 2013-11-07

  • Add compose operator for functions: Use & to conveniently create a CompositeFunction from two existing functions: expr = f & g;
  • Improve documentation and dartdoc generation

0.0.5 - 2013-11-06

  • Minor code cleanup
  • Prepare for Dart 1.0

0.0.4 - 2013-10-11

  • Fix handling of operator associativity
  • Add support for default functions to parser
  • Add support for unary minus to parser: Input with underscore. Instead of 2*-5 use 2*_5.

0.0.3 - 2013-10-09

  • Add cli evaluator to examples
  • Improve test coverage
  • Fix bug in differentiation of Sin and Cos
  • Remove support of unary minus in Parser

0.0.2 - 2013-10-07

  • Improve test coverage
  • Improve documentation
  • Fix bug in simplification of Minus
  • Fix bug in simplification of Times
  • Implement evaluation of nth root

0.0.1+1 - 2013-10-06

  • Improve documentation and examples

0.0.1 - 2013-10-04

  • Initial release of standalone version