Function invert [src]

Return the inverse of a scalar (mod L), or 0 if x=0.
Prototype

pub fn invert(x: Scalar) Scalar
Parameters

x: Scalar
Source

  pub fn invert(x: Scalar) Scalar {
    const _10 = x.sq();
    const _11 = x.mul(_10);
    const _100 = x.mul(_11);
    const _1000 = _100.sq();
    const _1010 = _10.mul(_1000);
    const _1011 = x.mul(_1010);
    const _10000 = _1000.sq();
    const _10110 = _1011.sq();
    const _100000 = _1010.mul(_10110);
    const _100110 = _10000.mul(_10110);
    const _1000000 = _100000.sq();
    const _1010000 = _10000.mul(_1000000);
    const _1010011 = _11.mul(_1010000);
    const _1100011 = _10000.mul(_1010011);
    const _1100111 = _100.mul(_1100011);
    const _1101011 = _100.mul(_1100111);
    const _10010011 = _1000000.mul(_1010011);
    const _10010111 = _100.mul(_10010011);
    const _10111101 = _100110.mul(_10010111);
    const _11010011 = _10110.mul(_10111101);
    const _11100111 = _1010000.mul(_10010111);
    const _11101011 = _100.mul(_11100111);
    const _11110101 = _1010.mul(_11101011);
    return _1011.mul(_11110101).sqn_mul(126, _1010011).sqn_mul(9, _10).mul(_11110101)
        .sqn_mul(7, _1100111).sqn_mul(9, _11110101).sqn_mul(11, _10111101).sqn_mul(8, _11100111)
        .sqn_mul(9, _1101011).sqn_mul(6, _1011).sqn_mul(14, _10010011).sqn_mul(10, _1100011)
        .sqn_mul(9, _10010111).sqn_mul(10, _11110101).sqn_mul(8, _11010011).sqn_mul(8, _11101011);
}  