Function gsl_sys::gsl_vector_long_double_const_subvector_with_stride

pub unsafe extern "C" fn gsl_vector_long_double_const_subvector_with_stride(
    v: *const gsl_vector_long_double, 
    i: usize, 
    stride: usize, 
    n: usize
) -> _gsl_vector_long_double_const_view