pub fn ec_select_by_indicator<F: BigPrimeField, FC, Pt>(
chip: &FC,
ctx: &mut Context<F>,
points: &[Pt],
coeffs: &[AssignedValue<F>],
) -> EcPoint<F, FC::FieldPoint>where
FC: FieldChip<F> + Selectable<F, FC::FieldPoint>,
Pt: Into<EcPoint<F, FC::FieldPoint>> + Clone,