ecrust-fp 0.1.1

Finite field arithmetic for the ecrust ecosystem.
Documentation 
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use fp::f2_element::F2Element;
use fp::field_ops::FieldOps;

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn zero_is_zero() {
        assert!(bool::from(F2Element::ZERO.is_zero()));
    }
    #[test]
    fn one_is_one() {
        assert!(bool::from(F2Element::ONE.is_one()));
    }
    #[test]
    fn inv_zero_is_none() {
        assert!(bool::from(F2Element::zero().invert().is_none()));
    }
    #[test]
    fn degree_is_one() {
        assert_eq!(F2Element::degree(), 1);
    }
    #[test]
    fn characteristic_is_2() {
        assert_eq!(F2Element::characteristic(), vec![2u64]);
    }
    #[test]
    fn add_mod_2() {
        // 0 + 1 ≡ 1 (mod 2)
        // 1 + 1 ≡ 0 (mod 2)
        assert_eq!(
            F2Element::from_u64(0) + F2Element::from_u64(1),
            F2Element::ONE
        );
        assert_eq!(
            F2Element::from_u64(1) + F2Element::from_u64(1),
            F2Element::ZERO
        );
    }
    #[test]
    fn mul_mod_2() {
        // 0 * 0 ≡ 0 (mod 2)
        // 0 * 1 ≡ 0 (mod 2)
        // 1 * 1 ≡ 1 (mod 2)
        assert_eq!(
            F2Element::from_u64(0) * F2Element::from_u64(0),
            F2Element::ZERO
        );
        assert_eq!(
            F2Element::from_u64(0) * F2Element::from_u64(1),
            F2Element::ZERO
        );
        assert_eq!(
            F2Element::from_u64(1) * F2Element::from_u64(1),
            F2Element::ONE
        );
    }
    #[test]
    fn neg_mod_2() {
        assert_eq!(F2Element::ONE.negate(), F2Element::ONE);
    }
    #[test]
    fn inv_mod_2() {
        assert_eq!(F2Element::ONE.invert().unwrap(), F2Element::ONE);
    }
}