Rollup merge of #82710 - peter-kehl:FloatToInit_82709, r=sfackler
Rollup merge of #82710 - peter-kehl:FloatToInit_82709, r=sfackler

FloatToInit: Replacing round_unchecked_to --> to_int_unchecked

FloatToInit docs: Replacing round_unchecked_to with
to_int_unchecked. Bug #82709.

aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust