Checked Arithmetic">checked arithmetic</a>".
        These free functions mirror the normal operators +, -, *, ... except
        that rather than returning values of type R, they return values of the
        type <a class="link" href="checked_result.html" title="checked_result&lt;R&gt;"><code class="computeroutput">checked_result&lt;R&gt;</code></a>.
        They are defined in files "<a href="../../include/boost/safe_numerics/checked_default.hpp" target="_top">checked_default.hpp</a>",
        "<a href=".