fn from_bytes_mod_order_wide()

in src/scalar.rs [1553:1574]

• 19 lines of code
• 3 McCabe index (conditional complexity)

    fn from_bytes_mod_order_wide() {
        let mut bignum = [0u8; 64];
        // set bignum = x + 2^256x
        for i in 0..32 {
            bignum[   i] = X[i];
            bignum[32+i] = X[i];
        }
        // 3958878930004874126169954872055634648693766179881526445624823978500314864344
        // = x + 2^256x (mod l)
        let reduced = Scalar{
            bytes: [
                216, 154, 179, 139, 210, 121,   2,  71,
                 69,  99, 158, 216,  23, 173,  63, 100,
                204,   0,  91,  50, 219, 153,  57, 249,
                 28,  82,  31, 197, 100, 165, 192,   8,
            ],
        };
        let test_red = Scalar::from_bytes_mod_order_wide(&bignum);
        for i in 0..32 {
            assert!(test_red[i] == reduced[i]);
        }
    }