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Unitwise Changelog

All notable changes to Unitwise will be documented in this file, starting at version 1.0.0.

Unitwise uses semantic versioning.

Unreleased

2.2.0 - 2017-07-14

Fixed

  • Default units now stored as BigDecimal or Integer to reduce floating point accuracy loss.
  • Added missing conversion for Degree Réaumur.

Changed

  • Performing mathematical operations or converting units will now use Rational math to prevent accuracy loss. In most cases, this means converted/operated on Measurements will have a Rational #value. If you have an explicit dependency on the exact Numeric type that Measurement#value returns, consider using #to_f or #to_i instead.

Removed

  • Support for MRI 2.1

2.1.0 - 2017-04-28

Removed

  • Support for Ruby MRI 1.9.3, MRI 2.0, and Rubinius

Added

  • Unitwise.register is a new method that allows user defined units
  • Support for MRI 2.3 and 2.4

Changed

  • Unit data refreshed from latest UCUM spec. Most notably, some metric atoms names have seen case changes.

2.0.0 - 2015-09-13

Fixed

  • Gem dependencies are less restrictive; now works with additional versions of parslet and blankslate.

Removed

  • 'unitwise/ext' is now officially removed. The core Numeric extensions are no longer available. Instead of 1.volt or 2.0.to_joule, use Unitwise(1, 'volt') and Unitwise(2.0, 'Joule').
  • Dropped support for Ruby 1.8.7, 1.9.2, and REE.

1.1.0 - 2015-09-10

Fixed

  • #to_s should no longer return the unexpected ' 1' suffix for dimless measurements.
  • #to_s(mode) will fall back to using the atom's primary_code if the mode isn't available.

Deprecated

  • require unitwise/ext has been deprecated as it is a performance drag and violates Ruby best practices. Use require unitwise instead. Any use of the Numeric helpers like 1.meter, 2.to_foot will need to change to Unitwise(1, 'meter'), and Unitwise(2, 'foot').

1.0.4 - 2015-01-10

  • Added Ruby 2.2 support.
  • Empty strings are no longer valid units.

1.0.3 - 2014-10-05

Added

  • Unitwise.valid? for checking validity of expressions

1.0.2 - 2014-09-14

Fixed

  • Decomposer caching is now a little smarter. This resulted in a mild performance increase.

1.0.1 - 2014-08-30

Fixed

  • Move conditional dependencies to Gemfile in order to allow proper installation issues on rbx and jruby.

1.0.0 - 2014-08-25

Added

  • Uniwise() now accepts a Unitwise::Measurement as the first argument.
  • Unitwise::Measurement now supports #round.

Fixed

  • Respect Rationals when inspecting/printing a Unitwise::Measurement.
  • Dynamically created methods from unitwise/ext now work with #respond_to? and #methods appropriately.

Deprecated

  • Unitwise() and Unitwise::Measurement.new() now requires two non-optional arguments (value and unit).
  • Unitwise::Measurement no longer has an implicit Integer conversion.