What is the reason that the SCALE codec does not support Encode and Decode of f64 types?
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1 Answer
Basically this question boils down to: Can you use floating point numbers or math in the Runtime?
While SCALE could deterministically encode and decode floating point types, the runtime can't deterministically do compute on them. Interestingly to do some benchmarks of SCALE f64/f32 support was hacked in to allow like for like comparison of serialisation benchmarks: https://github.com/paritytech/parity-scale-codec/issues/341
