pub unsafe extern "C" fn CVodeSStolerances(
cvode_mem: *mut c_void,
reltol: sunrealtype,
abstol: sunrealtype,
) -> c_intpub unsafe extern "C" fn CVodeSStolerances(
cvode_mem: *mut c_void,
reltol: sunrealtype,
abstol: sunrealtype,
) -> c_int