fn addSat(r: *Mutable, a: Const, b: Const, signedness: Signedness, bit_count: usize) void
[src]
r = a + b with 2s-complement saturating semantics. r, a and b may be aliases.
Assets the result fits in r
. Upper bound on the number of limbs needed by r is calcTwosCompLimbCount(bit_count)
.