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<link title="Mpfrf" rel="Chapter" href="Mpfrf.html"><title>Linexpr1</title>
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<h1>Module <a href="type_Linexpr1.html">Linexpr1</a></h1>

<pre><span class="keyword">module</span> Linexpr1: <code class="code"><span class="keyword">sig</span></code> <a href="Linexpr1.html">..</a> <code class="code"><span class="keyword">end</span></code></pre><div class="info module top">
APRON Expressions of level 1<br>
</div>
<hr width="100%">

<pre><code><span id="TYPEt"><span class="keyword">type</span> <code class="type"></code>t</span> = {</code></pre><table class="typetable">
<tr>
<td align="left" valign="top" >
<code>&nbsp;&nbsp;</code></td>
<td align="left" valign="top" >
<code><span class="keyword">mutable&nbsp;</span><span id="TYPEELTt.linexpr0">linexpr0</span>&nbsp;: <code class="type"><a href="Linexpr0.html#TYPEt">Linexpr0.t</a></code>;</code></td>

</tr>
<tr>
<td align="left" valign="top" >
<code>&nbsp;&nbsp;</code></td>
<td align="left" valign="top" >
<code><span class="keyword">mutable&nbsp;</span><span id="TYPEELTt.env">env</span>&nbsp;: <code class="type"><a href="Environment.html#TYPEt">Environment.t</a></code>;</code></td>

</tr></table>
}


<br>
APRON Expressions of level 1<br>

<pre><span id="VALmake"><span class="keyword">val</span> make</span> : <code class="type">?sparse:bool -> <a href="Environment.html#TYPEt">Environment.t</a> -> <a href="Linexpr1.html#TYPEt">t</a></code></pre><div class="info ">
Build a linear expression defined on the given argument, which is sparse by
default.<br>
</div>

<pre><span id="VALminimize"><span class="keyword">val</span> minimize</span> : <code class="type"><a href="Linexpr1.html#TYPEt">t</a> -> unit</code></pre><div class="info ">
In case of sparse representation, remove zero coefficients<br>
</div>

<pre><span id="VALcopy"><span class="keyword">val</span> copy</span> : <code class="type"><a href="Linexpr1.html#TYPEt">t</a> -> <a href="Linexpr1.html#TYPEt">t</a></code></pre><div class="info ">
Copy<br>
</div>

<pre><span id="VALprint"><span class="keyword">val</span> print</span> : <code class="type">Format.formatter -> <a href="Linexpr1.html#TYPEt">t</a> -> unit</code></pre><div class="info ">
Print the linear expression<br>
</div>

<pre><span id="VALset_list"><span class="keyword">val</span> set_list</span> : <code class="type"><a href="Linexpr1.html#TYPEt">t</a> -> (<a href="Coeff.html#TYPEt">Coeff.t</a> * <a href="Var.html#TYPEt">Var.t</a>) list -> <a href="Coeff.html#TYPEt">Coeff.t</a> option -> unit</code></pre><div class="info ">
Set simultaneously a number of coefficients.
<p>

<code class="code">set_list expr [(c1,<span class="string">"x"</span>); (c2,<span class="string">"y"</span>)] (<span class="constructor">Some</span> cst)</code> assigns coefficients <code class="code">c1</code> 
to variable <code class="code"><span class="string">"x"</span></code>, coefficient <code class="code">c2</code> to variable <code class="code"><span class="string">"y"</span></code>, and coefficient <code class="code">cst</code>
to the constant. If <code class="code">(<span class="constructor">Some</span> cst)</code> is replaced by <code class="code"><span class="constructor">None</span></code>,
the constant coefficient is not assigned.<br>
</div>

<pre><span id="VALset_array"><span class="keyword">val</span> set_array</span> : <code class="type"><a href="Linexpr1.html#TYPEt">t</a> -> (<a href="Coeff.html#TYPEt">Coeff.t</a> * <a href="Var.html#TYPEt">Var.t</a>) array -> <a href="Coeff.html#TYPEt">Coeff.t</a> option -> unit</code></pre><div class="info ">
Set simultaneously a number of coefficients, as <code class="code">set_list</code>.<br>
</div>

<pre><span id="VALiter"><span class="keyword">val</span> iter</span> : <code class="type">(<a href="Coeff.html#TYPEt">Coeff.t</a> -> <a href="Var.html#TYPEt">Var.t</a> -> unit) -> <a href="Linexpr1.html#TYPEt">t</a> -> unit</code></pre><div class="info ">
Iter the function on the pair coefficient/variable of the linear expression<br>
</div>

<pre><span id="VALget_cst"><span class="keyword">val</span> get_cst</span> : <code class="type"><a href="Linexpr1.html#TYPEt">t</a> -> <a href="Coeff.html#TYPEt">Coeff.t</a></code></pre><div class="info ">
Get the constant<br>
</div>

<pre><span id="VALset_cst"><span class="keyword">val</span> set_cst</span> : <code class="type"><a href="Linexpr1.html#TYPEt">t</a> -> <a href="Coeff.html#TYPEt">Coeff.t</a> -> unit</code></pre><div class="info ">
Set the constant<br>
</div>

<pre><span id="VALget_coeff"><span class="keyword">val</span> get_coeff</span> : <code class="type"><a href="Linexpr1.html#TYPEt">t</a> -> <a href="Var.html#TYPEt">Var.t</a> -> <a href="Coeff.html#TYPEt">Coeff.t</a></code></pre><div class="info ">
Get the coefficient of the variable<br>
</div>

<pre><span id="VALset_coeff"><span class="keyword">val</span> set_coeff</span> : <code class="type"><a href="Linexpr1.html#TYPEt">t</a> -> <a href="Var.html#TYPEt">Var.t</a> -> <a href="Coeff.html#TYPEt">Coeff.t</a> -> unit</code></pre><div class="info ">
Set the coefficient of the variable<br>
</div>

<pre><span id="VALextend_environment"><span class="keyword">val</span> extend_environment</span> : <code class="type"><a href="Linexpr1.html#TYPEt">t</a> -> <a href="Environment.html#TYPEt">Environment.t</a> -> <a href="Linexpr1.html#TYPEt">t</a></code></pre><div class="info ">
Change the environment of the expression for a super-environement. Raise <code class="code"><span class="constructor">Failure</span></code> if it is not the case<br>
</div>

<pre><span id="VALextend_environment_with"><span class="keyword">val</span> extend_environment_with</span> : <code class="type"><a href="Linexpr1.html#TYPEt">t</a> -> <a href="Environment.html#TYPEt">Environment.t</a> -> unit</code></pre><div class="info ">
Side-effet version of the previous function<br>
</div>

<pre><span id="VALis_integer"><span class="keyword">val</span> is_integer</span> : <code class="type"><a href="Linexpr1.html#TYPEt">t</a> -> bool</code></pre><div class="info ">
Does the linear expression depend only on integer variables ?<br>
</div>

<pre><span id="VALis_real"><span class="keyword">val</span> is_real</span> : <code class="type"><a href="Linexpr1.html#TYPEt">t</a> -> bool</code></pre><div class="info ">
Does the linear expression depend only on real variables ?<br>
</div>

<pre><span id="VALget_linexpr0"><span class="keyword">val</span> get_linexpr0</span> : <code class="type"><a href="Linexpr1.html#TYPEt">t</a> -> <a href="Linexpr0.html#TYPEt">Linexpr0.t</a></code></pre><div class="info ">
Get the underlying expression of level 0 (which is not a copy).<br>
</div>

<pre><span id="VALget_env"><span class="keyword">val</span> get_env</span> : <code class="type"><a href="Linexpr1.html#TYPEt">t</a> -> <a href="Environment.html#TYPEt">Environment.t</a></code></pre><div class="info ">
Get the environement of the expression<br>
</div>
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