Function llcmp [src]

Returns -1, 0, 1 if |a| < |b|, |a| == |b| or |a| > |b| respectively for limbs.

Prototype

pub fn llcmp(a: []const Limb, b: []const Limb) i8

Parameters

a: []const Limbb: []const Limb

Source

  pub fn llcmp(a: []const Limb, b: []const Limb) i8 {
    @setRuntimeSafety(debug_safety);
    const a_len = llnormalize(a);
    const b_len = llnormalize(b);
    if (a_len < b_len) {
        return -1;
    }
    if (a_len > b_len) {
        return 1;
    }

    var i: usize = a_len - 1;
    while (i != 0) : (i -= 1) {
        if (a[i] != b[i]) {
            break;
        }
    }

    if (a[i] < b[i]) {
        return -1;
    } else if (a[i] > b[i]) {
        return 1;
    } else {
        return 0;
    }
}  