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<center><h1>Module <a href="type_Fcl_expr.html">Fcl_expr</a></h1></center>
<br>
<pre><span class="keyword">module</span> Fcl_expr: <code class="code">sig</code> <a href="Fcl_expr.html">..</a> <code class="code">end</code></pre>Arithmetic Expressions over Variables of Type <code class="code">Var.Fd.t</code><br>
<hr width="100%">
<br>
This module provides functions and operators to build arithmetic
expressions.<br>
<br><code><span class="keyword">type</span> <a name="TYPEagg_op"></a><code class="type"></code>agg_op = </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">Pluse</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">Multe</span></code></td>
</tr></table>
<br><code><span class="keyword">type</span> <a name="TYPEbin_op"></a><code class="type"></code>bin_op = </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">Dive</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">Mode</span></code></td>
</tr></table>
<br><code><span class="keyword">type</span> <a name="TYPEun_op"></a><code class="type"></code>un_op = </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">Abse</span></code></td>
</tr></table>
<br><code><span class="keyword">type</span> <a name="TYPEvar"></a><code class="type"></code>var = </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">Var</span> <span class="keyword">of</span> <code class="type">Fcl_var.Fd.t</code></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">Aux</span> <span class="keyword">of</span> <code class="type">int</code></code></td>
</tr></table>
<br><code><span class="keyword">type</span> <a name="TYPEt"></a><code class="type"></code>t = </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">Agg</span> <span class="keyword">of</span> <code class="type"><a href="Fcl_expr.html#TYPEagg_op">agg_op</a> * (int * <a href="Fcl_expr.html#TYPEt">t</a>) list * int</code></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">Bin</span> <span class="keyword">of</span> <code class="type"><a href="Fcl_expr.html#TYPEbin_op">bin_op</a> * <a href="Fcl_expr.html#TYPEt">t</a> * <a href="Fcl_expr.html#TYPEt">t</a></code></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">Un</span> <span class="keyword">of</span> <code class="type"><a href="Fcl_expr.html#TYPEun_op">un_op</a> * <a href="Fcl_expr.html#TYPEt">t</a></code></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">Inte</span> <span class="keyword">of</span> <code class="type">int</code></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">Fde</span> <span class="keyword">of</span> <code class="type"><a href="Fcl_expr.html#TYPEvar">var</a></code></code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" >Type of arithmetic expressions over variables of type <code class="code">Var.Fd.t</code> and
integers.</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr></table>
<pre><span class="keyword">val</span> <a name="VALfprint"></a>fprint : <code class="type">Pervasives.out_channel -> <a href="Fcl_expr.html#TYPEt">t</a> -> unit</code></pre><div class="info">
<code class="code">fprint chan e</code> prints expression <code class="code">e</code> on channel <code class="code">chan</code>.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALeval"></a>eval : <code class="type"><a href="Fcl_expr.html#TYPEt">t</a> -> int</code></pre><div class="info">
<code class="code">eval e</code> returns the integer numerical value of a fully instantiated
expression <code class="code">e</code>. Raises <code class="code">Invalid_argument</code> if <code class="code">e</code> is not instantiated.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALmin_of_expr"></a>min_of_expr : <code class="type"><a href="Fcl_expr.html#TYPEt">t</a> -> int</code></pre><pre><span class="keyword">val</span> <a name="VALmax_of_expr"></a>max_of_expr : <code class="type"><a href="Fcl_expr.html#TYPEt">t</a> -> int</code></pre><div class="info">
<code class="code">min_of_expr e</code> (resp. <code class="code">max_of_expr e</code>) returns the minimal (resp. maximal)
possible value of expression <code class="code">e</code>.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALmin_max_of_expr"></a>min_max_of_expr : <code class="type"><a href="Fcl_expr.html#TYPEt">t</a> -> int * int</code></pre><div class="info">
<code class="code">min_max_of_expr e</code> is equivalent to <code class="code">(min_of_expr e, max_of_expr e)</code>.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALcompare_expr"></a>compare_expr : <code class="type"><a href="Fcl_expr.html#TYPEt">t</a> -> <a href="Fcl_expr.html#TYPEt">t</a> -> int</code></pre><pre><span class="keyword">val</span> <a name="VALcompare_intexpr"></a>compare_intexpr : <code class="type">int * <a href="Fcl_expr.html#TYPEt">t</a> -> int * <a href="Fcl_expr.html#TYPEt">t</a> -> int</code></pre><pre><span class="keyword">val</span> <a name="VALreduce"></a>reduce : <code class="type"><a href="Fcl_expr.html#TYPEt">t</a> -> <a href="Fcl_expr.html#TYPEt">t</a></code></pre><div class="info">
<code class="code">reduce e</code> normalizes expression <code class="code">e</code>.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALconstrain"></a>constrain : <code class="type"><a href="Fcl_expr.html#TYPEt">t</a> -> <a href="Fcl_linear.html#TYPEoperator">Fcl_linear.operator</a> -> <a href="Fcl_cstr.html#TYPEt">Fcl_cstr.t</a></code></pre><div class="info">
<code class="code">constrain e op</code> returns the constraint <code class="code">e op = 0</code> and post
intermediate constraints.<br>
</div>
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