Function gsl_sys::gsl_cheb_calc_deriv 
source · [−]pub unsafe extern "C" fn gsl_cheb_calc_deriv(
    deriv: *mut gsl_cheb_series, 
    cs: *const gsl_cheb_series
) -> c_intpub unsafe extern "C" fn gsl_cheb_calc_deriv(
    deriv: *mut gsl_cheb_series, 
    cs: *const gsl_cheb_series
) -> c_int