hmetically incorrect behavior - but at cost of checking
  many arithmetic operations at runtime. It is a fact that many C++
  programmers will find this trade-off unacceptable. So the question arises as
  to how we might minimize or eliminate this runtime penalty.</p>
<p>The first step is to determine what parts of a program might invoke
  exceptions. The following program is similar to previous examples but uses a
  special exception policy: <a class="link" href="exception_policies.html#safe_numerics.excep