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<h4 class="subsection">D.14.9 <code>mpfr</code> exceptions</h4>

     <ul>
<li>A message of <code>&lt;'memory overflow'&gt;</code> is possible any time
<code>mpfr</code> runs out of memory. 
<li>A message of <code>&lt;'bad mpfr specification'&gt;</code> will be returned
<a name="index-bad-mpfr-specification-799"></a>if an input argument recognizably violates the required specification. 
<li>The <code>&lt;'mpfr error'&gt;</code> message is returned in the event of any
<a name="index-mpfr-error-800"></a>unexpected behavior or irregular status from the API. 
<li>The message of <code>&lt;'mpfr overflow'&gt;</code> can be cause by the
<code>nat2mp</code> function if a natural number has too many bits to be
represented exactly as an <code>mpfr</code> number. 
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