FixedPoint-Sharp

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need check pow2 num is neg

qcbf

acos 0.99+ values are out by several degrees

14

Hi, Acos input values between ~0.99 - 1.0 lead to some fairly imprecise output values, off by up to 5 degrees. eg. ``` input=0.9941521, expected=0.1082002, real=0.06253052, diff=0.04566966, :: degrees diff:2.616679...

jdtec01

Currently `fixmath.Atan2(0,0)` tries to divide by zero. While this is kind of unspecified behaviour, most other c# math libs simply return `0`, so I think it would be nice to...

nadako