Pure fixed-point math functions

[heinezen]

Required Skills: C++

Difficulty: Easy

We should add additional math operations to our fixed-point implementation, so that all calculations can be done purely deterministic.

The fpm library already has these operations and could be used as an inspiration.

Interesting for us:

• [ ] sqrt
• [x] min
• [x] max
• [x] abs
• [x] hypot
• [ ] atan2

Nice to have:

• [ ] sin
• [ ] cos
• [ ] tan
• [ ] pow
• [ ] log

Further Reading

• openage fixed-point implementation
• fpm library documentation

[heinezen]

@mingjuu You can :)

I'll assign you right now and if you have any questions, feel free to ask here or in chat.

[AyiStar]

Hello, I am new to the project and wish I could join you. Can you assign this issue to me so that I can start from here?

[heinezen]

@AyiStar sure :)

[AyiStar]

@heinezen Thank! I will touch you if I have any questions.

[adamresemius]

Hello,

Is there anything left to do here that I can contribute to?

[heinezen]

@adamresemius Yes, the unticked boxes in the issue description is what's not implemented at the moment.

[Zain-Balkhi]

I think I know how to implement the other functions in fpm. I have pow already on mine.

[firednerve]

Hey, I'm a beginner and could try my hand at implementing sqrt (and possibly the others after) if it isn't being worked on right now

[heinezen]

@firednerve You are welcome to go for it :)

[firednerve]

Thanks! I’ll ask if I have any questions.