pub fn point(&self) -> SepticCurve<F> {
        match self {
            Self::Infinity => panic!("point() called for point at infinity"),
            Self::Affine(point) => *point,
        }
    }
Asserts that the point is not a point at infinity, and returns the `SepticCurve` value.
crates/stark/src/septic_curve.rs