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<p>&nbsp;<p>
<hr noshade size="5">
<h2><a name="AlffEltIsInIdeal"></a>
AlffEltIsInIdeal
</h2>

Checks whether a function field element is in an ideal.

<p><p>

<h3>
Syntax:
</h3>
<pre>b := AlffEltIsInIdeal(a, I);</pre>

<p>

<table>
<tr>
<td>boolean</td>
<td><pre>  b  </pre></td>
<td></td>
</tr>
<tr>
<td>alff order element</td>
<td><pre>  a  </pre></td>
<td></td>
</tr>
<tr>
<td>alff order ideal</td>
<td><pre>  I  </pre></td>
<td></td>
</tr>
</table>

<p>


<h3>
Description:
</h3>
<i>no detailed description available yet</i>

<p><p>

<p>
<hr>
<p>
<h3>
Example:
</h3>
Some computations:
<pre>

kash> AlffInit(FF(5,2));
"Defining global variables: k, w, kT, kTf, kTy, T, y, AlffGlobals"
kash> AlffOrders(y^3+T^4+1);
"Defining global variables: F, o, oi, one"
kash> I := T*o;
< [ T, 0, 0 ] >
kash> AlffEltIsInIdeal(T, I);
true
kash> AlffEltIsInIdeal(1/T, I);
false
kash> a := AlffElt(o, [0, 1, 0]);
[ 0, 1, 0 ]
kash> I := a*o;
< [ 0, 1, 0 ] >
kash> AlffEltIsInIdeal(T+w, I);
> false

</pre>

<p>


<hr>

<p>
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