<span class="special">/</span><span class="identifier">cstdfloat</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>,
      however, it is very likely to be identical.
    </p>
<p>
      Using <code class="computeroutput"><span class="identifier">float64_t</span></code>, we know that
      this code is as portable as possible and uses a floating-point type with approximately
      15 decimal digits of precision, regardless of the compiler or versio