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beltoforion / muparserx

A C++ Library for Parsing Expressions with Strings, Complex Numbers, Vectors, Matrices and more.
http://beltoforion.de/en/muparserx
BSD 2-Clause "Simplified" License
137 stars 60 forks source link

Why not NOT? #89

Closed Clon451 closed 2 years ago

Clon451 commented 6 years ago

This might not be a big issue but why is there no logical "not"? "a xor true" isn't as nice as "not a" and I would even value xor less important than not.

beltoforion commented 6 years ago

Well that is strange, i was under the assumption there is one. Seems no one ever bothered to complain about it missing. Either that or it broke the parsing engine and i forgot about it.

Wangzhike commented 4 years ago

hope to support operator '!'

beltoforion commented 2 years ago

Since the operator may collide with a factorial operator i will not implement it.