function_tree 0.2.6

A library for parsing and evaluating numerical functions built from strings.

Change log

0.2.6

Fixed ambiguity issue: if the user chooses a variable name in an expression that happens to be a special constant name (such as 'e'), the parser will take occurrences in the expression to mean that the variable.

0.2.5

• Marked as ready for Dart 2.
• dartfmt-ed some of the files.
• Added support for the % operator.
• Added support for floor, ceil and round.
• Added come timing comparisons between evaluating native Dart functions, function tree instances and repeated string parsing in test/.

0.2.0

• Re-wrote the parsing engine: code much cleaner and easier to read.
• Cleared out deprecated dart:math constants.
• Updated code for Dart 2.
• Added support for abs.

0.1.1

• Basic numerical differentiation.
• Basic numerical integration (Simpson).
• Basic zero-finding (Newton).
• Very much proof of concept.

0.1.0

• Initial version, proof of concept.
• Very little checking of input at this stage.