fn batch_invert_consistency()

in src/scalar.rs [1692:1705]

• 12 lines of code
• 2 McCabe index (conditional complexity)

    fn batch_invert_consistency() {
        let mut x = Scalar::from(1u64);
        let mut v1: Vec<_> = (0..16).map(|_| {let tmp = x; x = x + x; tmp}).collect();
        let v2 = v1.clone();

        let expected: Scalar = v1.iter().product();
        let expected = expected.invert();
        let ret = Scalar::batch_invert(&mut v1);
        assert_eq!(ret, expected);

        for (a, b) in v1.iter().zip(v2.iter()) {
            assert_eq!(a * b, Scalar::one());
        }
    }