Function highs_sys::Highs_getPrimalRay

pub unsafe extern "C" fn Highs_getPrimalRay(
    highs: *mut c_void, 
    has_primal_ray: *mut c_int, 
    primal_ray_value: *mut f64
) -> c_int

@brief Returns an unbounded primal ray that is a certificate of dual infeasibility.