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<link title="Gsl_cdf" rel="Chapter" href="Gsl_cdf.html"><link title="Representation of floating point numbers" rel="Section" href="#3_Representationoffloatingpointnumbers">
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<title>ocamlgsl 0.6.0 : Gsl_ieee</title>
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<center><h1>Module <a href="type_Gsl_ieee.html">Gsl_ieee</a></h1></center>
<br>
<pre><span class="keyword">module</span> Gsl_ieee: <code class="code">sig</code> <a href="Gsl_ieee.html">..</a> <code class="code">end</code></pre>IEEE floating-point arithmetic<br>
<hr width="100%">
<br>
<a name="3_Representationoffloatingpointnumbers"></a>
<h3>Representation of floating point numbers</h3><br>
<br><code><span class="keyword">type</span> <a name="TYPEieee_type"></a><code class="type"></code>ieee_type = </code><table class="typetable">
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">NAN</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">INF</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">NORMAL</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">DENORMAL</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">ZERO</span></code></td>
</tr></table>
<br><code><span class="keyword">type</span> <a name="TYPEfloat_rep"></a><code class="type"></code>float_rep = {</code><table class="typetable">
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>sign : <code class="type">int</code>;</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>mantissa : <code class="type">string</code>;</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>exponent : <code class="type">int</code>;</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>ieee_type : <code class="type"><a href="Gsl_ieee.html#TYPEieee_type">ieee_type</a></code>;</code></td>
</tr></table>
}
<pre><span class="keyword">val</span> <a name="VALrep_of_float"></a>rep_of_float : <code class="type">float -> <a href="Gsl_ieee.html#TYPEfloat_rep">float_rep</a></code></pre><pre><span class="keyword">val</span> <a name="VALprint"></a>print : <code class="type">float -> string</code></pre><br>
<a name="3_IEEEenvironment"></a>
<h3>IEEE environment</h3><br>
<br><code><span class="keyword">type</span> <a name="TYPEprecision"></a><code class="type"></code>precision = </code><table class="typetable">
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">SINGLE</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">DOUBLE</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">EXTENDED</span></code></td>
</tr></table>
<br><code><span class="keyword">type</span> <a name="TYPErounding"></a><code class="type"></code>rounding = </code><table class="typetable">
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">TO_NEAREST</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">DOWN</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">UP</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">TO_ZERO</span></code></td>
</tr></table>
<br><code><span class="keyword">type</span> <a name="TYPEexceptions"></a><code class="type"></code>exceptions = </code><table class="typetable">
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">MASK_INVALID</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">MASK_DENORMALIZED</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">MASK_DIVISION_BY_ZERO</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">MASK_OVERFLOW</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">MASK_UNDERFLOW</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">MASK_ALL</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">TRAP_INEXACT</span></code></td>
</tr></table>
<pre><span class="keyword">val</span> <a name="VALset_mode"></a>set_mode : <code class="type">?precision:<a href="Gsl_ieee.html#TYPEprecision">precision</a> -><br> ?rounding:<a href="Gsl_ieee.html#TYPErounding">rounding</a> -> <a href="Gsl_ieee.html#TYPEexceptions">exceptions</a> list -> unit</code></pre><pre><span class="keyword">val</span> <a name="VALenv_setup"></a>env_setup : <code class="type">unit -> unit</code></pre><br>
<a name="3_FPUstatusword"></a>
<h3>FPU status word</h3><br>
<br><code><span class="keyword">type</span> <a name="TYPEexcepts"></a><code class="type"></code>excepts = </code><table class="typetable">
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">FE_INEXACT</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">FE_DIVBYZERO</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">FE_UNDERFLOW</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">FE_OVERFLOW</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">FE_INVALID</span></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">FE_ALL_EXCEPT</span></code></td>
</tr></table>
<pre><span class="keyword">val</span> <a name="VALclear_except"></a>clear_except : <code class="type"><a href="Gsl_ieee.html#TYPEexcepts">excepts</a> list -> unit</code></pre><pre><span class="keyword">val</span> <a name="VALtest_except"></a>test_except : <code class="type"><a href="Gsl_ieee.html#TYPEexcepts">excepts</a> list -> <a href="Gsl_ieee.html#TYPEexcepts">excepts</a> list</code></pre></body></html>
