pub fn ec_double_expr(
config: ExprBuilderConfig,
range_bus: VariableRangeCheckerBus,
a_biguint: BigUint,
) -> FieldExpr
pub fn ec_double_expr(
config: ExprBuilderConfig,
range_bus: VariableRangeCheckerBus,
a_biguint: BigUint,
) -> FieldExpr