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

Returns whether an object is an algebraic function field.

<p><p>

<h3>
Syntax:
</h3>
<pre>b := IsAlff(F);</pre>

<p>

<table>
<tr>
<td>boolean</td>
<td><pre>  b  </pre></td>
<td></td>
</tr>
<tr>
<td>object</td>
<td><pre>  F  </pre></td>
<td></td>
</tr>
</table>

<p>


See also:&nbsp;&nbsp;<a href="kashref.html#Alff">Alff</a>

<p>

<h3>
Description:
</h3>
Given an object this function returns whether this object
is an algebraic function field.

<p><p>

<p>
<hr>
<p>
<h3>
Example:
</h3>

<pre>

kash> AlffInit(FF(7,2));
"Defining global variables: k, w, kT, kTf, kTy, T, y, AlffGlobals"
kash> F := Alff((T^2+1)*y^3+y+T^4+1);
Algebraic function field defined by
.1^3*.2^2 + .1^3 + .1 + .2^4 + 1
over
Univariate rational function field over GF(7^2)
Variables: T

kash> IsAlff(F);
true
kash> IsAlff(1);
> false

</pre>

<p>


<hr>

<p>
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