Function vstd::atomic::wrapping_sub_i8

source ·

pub open spec fn wrapping_sub_i8(a: int, b: int) -> int

Expand description

{
    if a - b > (<i8>::MAX as int) {
        a - b - ((<i8>::MAX as int) - (<i8>::MIN as int) + 1)
    } else if a - b < (<i8>::MIN as int) {
        a - b + ((<i8>::MAX as int) - (<i8>::MIN as int) + 1)
    } else {
        a - b
    }
}