[erlang-questions] math ceil floor

[Dan Gudmundsson]

Hi
I made pull request https://github.com/erlang/otp/pull/1084 which
implements ceil and floor in the math module.

The question is, should they return integer or floats?

The implementation in the PR currently returns integers and also implements
ceilf and floorf which returns floats.

Opinions?

/Dan
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