routput"><span class="identifier">nonfinite_num_get</span></code>.
        The input facet <code class="computeroutput"><span class="identifier">nonfinite_num_get</span></code>
        always parses "0" and "+0" as positive zero and "-0"
        as negative zero, as do most implementations of <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">num_get</span></code>.
      </p>
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