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<title>ocamlgsl 0.6.0 : Gsl_fun</title>
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<center><h1>Module <a href="type_Gsl_fun.html">Gsl_fun</a></h1></center>
<br>
<pre><span class="keyword">module</span> Gsl_fun: <code class="code">sig</code> <a href="Gsl_fun.html">..</a> <code class="code">end</code></pre>Callbacks and types for error estimates<br>
<hr width="100%">
<br>
<a name="3_Typesforspecialfunctions"></a>
<h3>Types for special functions</h3><br>
<br>
These type are used by module <a href="Gsl_sf.html"><code class="code">Gsl_sf</code></a><br>
<br><code><span class="keyword">type</span> <a name="TYPEresult"></a><code class="type"></code>result = {</code><table class="typetable">
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<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>res : <code class="type">float</code>;</code></td>
</tr>
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<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>err : <code class="type">float</code>;</code></td>
</tr></table>
}
<div class="info">
The result of a computation : <code class="code">res</code> is the value and <code class="code">err</code> an
estimate of the absolute error in the value.<br>
</div>
<br><code><span class="keyword">type</span> <a name="TYPEresult_e10"></a><code class="type"></code>result_e10 = {</code><table class="typetable">
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<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>res_e10 : <code class="type">float</code>;</code></td>
</tr>
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<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>err_e10 : <code class="type">float</code>;</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>e10 : <code class="type">int</code>;</code></td>
</tr></table>
}
<div class="info">
Result of computation with a scaling exponent. Actual result is
obtained as <code class="code">res *. 10. ** e10</code>.<br>
</div>
<br><code><span class="keyword">type</span> <a name="TYPEmode"></a><code class="type"></code>mode = </code><table class="typetable">
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<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">DOUBLE</span></code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" >Double precision : 2 * 10^-16</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr>
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<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">SIMPLE</span></code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" >Single precision : 10^-7</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr>
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<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span class="constructor">APPROX</span></code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" >Approximate values : 5 * 10^-4</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr></table>
<div class="info">
Reduce the accuracy of some evaluations to speed up computations.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALsmash"></a>smash : <code class="type"><a href="Gsl_fun.html#TYPEresult_e10">result_e10</a> -> <a href="Gsl_fun.html#TYPEresult">result</a></code></pre><br>
<a name="3_Callbacks"></a>
<h3>Callbacks</h3><br>
<pre><span class="keyword">type</span> <a name="TYPEgsl_fun"></a><code class="type"></code>gsl_fun = <code class="type">float -> float</code> </pre>
<br><code><span class="keyword">type</span> <a name="TYPEgsl_fun_fdf"></a><code class="type"></code>gsl_fun_fdf = {</code><table class="typetable">
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<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>f : <code class="type">float -> float</code>;</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>df : <code class="type">float -> float</code>;</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>fdf : <code class="type">float -> float * float</code>;</code></td>
</tr></table>
}
<pre><span class="keyword">type</span> <a name="TYPEmonte_fun"></a><code class="type"></code>monte_fun = <code class="type">float array -> float</code> </pre>
<pre><span class="keyword">type</span> <a name="TYPEmulti_fun"></a><code class="type"></code>multi_fun = <code class="type">x:<a href="Gsl_vector.html#TYPEvector">Gsl_vector.vector</a> -> f:<a href="Gsl_vector.html#TYPEvector">Gsl_vector.vector</a> -> unit</code> </pre>
<br><code><span class="keyword">type</span> <a name="TYPEmulti_fun_fdf"></a><code class="type"></code>multi_fun_fdf = {</code><table class="typetable">
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>multi_f : <code class="type">x:<a href="Gsl_vector.html#TYPEvector">Gsl_vector.vector</a> -> f:<a href="Gsl_vector.html#TYPEvector">Gsl_vector.vector</a> -> unit</code>;</code></td>
</tr>
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<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>multi_df : <code class="type">x:<a href="Gsl_vector.html#TYPEvector">Gsl_vector.vector</a> -> j:<a href="Gsl_matrix.html#TYPEmatrix">Gsl_matrix.matrix</a> -> unit</code>;</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>multi_fdf : <code class="type">x:<a href="Gsl_vector.html#TYPEvector">Gsl_vector.vector</a> -> f:<a href="Gsl_vector.html#TYPEvector">Gsl_vector.vector</a> -> j:<a href="Gsl_matrix.html#TYPEmatrix">Gsl_matrix.matrix</a> -> unit</code>;</code></td>
</tr></table>
}
<pre><span class="keyword">type</span> <a name="TYPEmultim_fun"></a><code class="type"></code>multim_fun = <code class="type">x:<a href="Gsl_vector.html#TYPEvector">Gsl_vector.vector</a> -> float</code> </pre>
<br><code><span class="keyword">type</span> <a name="TYPEmultim_fun_fdf"></a><code class="type"></code>multim_fun_fdf = {</code><table class="typetable">
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>multim_f : <code class="type">x:<a href="Gsl_vector.html#TYPEvector">Gsl_vector.vector</a> -> float</code>;</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>multim_df : <code class="type">x:<a href="Gsl_vector.html#TYPEvector">Gsl_vector.vector</a> -> g:<a href="Gsl_vector.html#TYPEvector">Gsl_vector.vector</a> -> unit</code>;</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code>multim_fdf : <code class="type">x:<a href="Gsl_vector.html#TYPEvector">Gsl_vector.vector</a> -> g:<a href="Gsl_vector.html#TYPEvector">Gsl_vector.vector</a> -> float</code>;</code></td>
</tr></table>
}
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