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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
Check floating-point numbers similarly to integers in FURB163. For
example, both `math.log(x, 10)` and `math.log(x, 10.0)` should be
changed to `math.log10(x)`.
## Test Plan
<!-- How was it tested? -->
Added couple of test cases.