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Change Log

All notable changes to this project will be documented in this file. This project follows Semantic Versioning.

[2.0.1] - 2026-04-11

  • Default decimal precision changed from 28 to 34 to match Decimal128.
  • Decimal operations now use the minimum precision of all operands, rather than the maximum.
  • Added Decimal\Rational implementation for rational numbers (fractions).
  • Added Decimal\Number abstract number class.
  • Added Decimal\Precision interface.
  • Added Decimal\Decimal::reduce method.
  • Renamed toSci to toScientific.
  • Remove signum methods.
  • Remove parity methods.
  • Better consistency around scientific notation when converting to string or JSON.
  • Precision is now applied on operations only (input is preserved).
  • Decimal constructors are now private - must use \Decimal\Number::valueOf.
  • Performance improvements, reduced object allocations.
  • PHP 8.2, 8.3, and 8.4 compatibility.
  • Fixed isPositive/isNegative to return false for zero values.
  • Fixed array/debug output for Decimal and Rational objects.

[1.3.0] - 2019-02-11

  • Fixed sqrt of -INF returning -INF rather than NAN. #13
  • Disable opcache pass 2 due to numeric string to float casts. Thanks @krakjoe

[1.2.0] - 2019-02-09

  • Change signum of NAN returning 1, now throws RuntimeException. #10
  • Change toInt of NAN and INF returning 0, now throws RuntimeException. #11
  • Fix pthreads incompatibility (properly). #12

[1.1.2] - 2019-02-07

  • Fix pthreads incompatibility. #12

[1.1.1] - 2019-01-24

  • Fix signum returning 1 for zero, instead of 0. #9

[1.1.0] - 2018-11-20

  • Added trim method to Decimal to trim trailing zeroes.

[1.0.1] - 2018-10-29

  • Added docs and tests to package.xml @remicollet
  • Smarter libmpdec lib check in config.m4 @remicollet

[1.0.0] - 2018-10-28

  • Initial public release, request for comments.