Function sub [src]

r = a - b r, a and b may be aliases. Asserts the result fits in r. An upper bound on the number of limbs needed by r is @max(a.limbs.len, b.limbs.len) + 1. The +1 is not needed if both operands are positive.

Prototype

pub fn sub(r: *Mutable, a: Const, b: Const) void

Parameters

r: *Mutablea: Constb: Const

Source

  pub fn sub(r: *Mutable, a: Const, b: Const) void {
    r.add(a, b.negate());
}  