range_safe_add()

ulong range_safe_add ( ulong a, ulong b )

inline

Definition at line 9 of file comb.cpp.

{
  ulong c = a + b;
  if (c < a)
    {
      emit_line("ulong integer addition overflow");
      exit(-1);
    }
  return c;
}

References emit_line().

Referenced by Subsets::Subsets().