Function m4ri_sys::mzd_sub

pub unsafe extern "C" fn mzd_sub(
    c: *mut Mzd, 
    a: *const Mzd, 
    b: *const Mzd
) -> *mut Mzd

Set C = A - B If C is passed in, the result is written there otherwise a new matrix is created

Secretly an alias for mzd_add