Function gsl_sys::gsl_interp2d_init

pub unsafe extern "C" fn gsl_interp2d_init(
    interp: *mut gsl_interp2d, 
    xa: *const f64, 
    ya: *const f64, 
    za: *const f64, 
    xsize: usize, 
    ysize: usize
) -> c_int