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<a name="FRACTION-_002d_002d_002d-Fractional-part-of-the-model-representation"></a>
<h3 class="section">9.113 <code>FRACTION</code> &mdash; Fractional part of the model representation</h3>
<a name="index-FRACTION"></a>
<a name="index-real-number_002c-fraction"></a>
<a name="index-floating-point_002c-fraction"></a>

<dl compact="compact">
<dt><em>Description</em>:</dt>
<dd><p><code>FRACTION(X)</code> returns the fractional part of the model
representation of <code>X</code>.
</p>
</dd>
<dt><em>Standard</em>:</dt>
<dd><p>Fortran 95 and later
</p>
</dd>
<dt><em>Class</em>:</dt>
<dd><p>Elemental function
</p>
</dd>
<dt><em>Syntax</em>:</dt>
<dd><p><code>Y = FRACTION(X)</code>
</p>
</dd>
<dt><em>Arguments</em>:</dt>
<dd><table>
<tr><td width="15%"><var>X</var></td><td width="70%">The type of the argument shall be a <code>REAL</code>.</td></tr>
</table>

</dd>
<dt><em>Return value</em>:</dt>
<dd><p>The return value is of the same type and kind as the argument.
The fractional part of the model representation of <code>X</code> is returned;
it is <code>X * RADIX(X)**(-EXPONENT(X))</code>.
</p>
</dd>
<dt><em>Example</em>:</dt>
<dd><div class="smallexample">
<pre class="smallexample">program test_fraction
  real :: x
  x = 178.1387e-4
  print *, fraction(x), x * radix(x)**(-exponent(x))
end program test_fraction
</pre></div>

</dd>
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