pub unsafe extern "C" fn xc_mgga_exc(
    p: *const xc_func_type,
    np: c_ulong,
    rho: *const f64,
    sigma: *const f64,
    lapl: *const f64,
    tau: *const f64,
    zk: *mut f64
)
Expand description

Evaluates the energy density for a meta-GGA functional