Function float_to_int_unchecked

unsafe fn float_to_int_unchecked<Float: Copy, Int: Copy>(value: Float) -> Int

Converts with LLVM’s fptoui/fptosi, which may return undef for values out of range (https://github.com/rust-lang/rust/issues/10184)

Stabilized as f32::to_int_unchecked and f64::to_int_unchecked.