[TECH] Add the arcsine method

Coder-Spirit / php-bignumbers

A robust library to handle immutable big numbers inside PHP applications

MIT License

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Closed codisart closed 8 years ago

codisart commented 8 years ago

Add the arcsine method for the Decimal class and the tests

codisart commented 8 years ago

Hello,

I added special cases for 1, -1 and 0 because they were causing some bizarre results with the taylors series and the end condition.

castarco commented 8 years ago

Thanks!