Function gsl_sys::gsl_multifit_fdfsolver_jac 
source · [−]pub unsafe extern "C" fn gsl_multifit_fdfsolver_jac(
    s: *mut gsl_multifit_fdfsolver, 
    J: *mut gsl_matrix
) -> c_intpub unsafe extern "C" fn gsl_multifit_fdfsolver_jac(
    s: *mut gsl_multifit_fdfsolver, 
    J: *mut gsl_matrix
) -> c_int