Function ismv_with_progress 

pub fn ismv_with_progress<F>(
    field: &[f64],
    mask: &[u8],
    nx: usize,
    ny: usize,
    nz: usize,
    vsx: f64,
    vsy: f64,
    vsz: f64,
    radius: f64,
    tol: f64,
    max_iter: usize,
    progress_callback: F,
) -> (Vec<f64>, Vec<u8>)
where
    F: FnMut(usize, usize),

iSMV with progress callback

Same as ismv but calls progress_callback(iteration, max_iter) each iteration.