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<TITLE>Fixnum</TITLE>
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<dl>
<dt> <H1>Fixnum</H1>
<dd> 
<P>
The class for the fixed range integers fit in the machine's
pointer, which is 31 bits length on most machines.  Fixnums
are immediate values.  If the result of the operations on
fixnums exceed the range, it will automatically expanded to
<a href="Bignum.html">bignums</a>. 
</P>
<dt> <h2>SuperClass:</h2>
<dd> 
<dl>
<dt> <A HREF="Integer.html"><code>Integer</code></A>
</dl>
<dt> <h2>Methods:</h2>
<dd> 
<DL COMPACT>

<DT>
<A NAME="plus">
<CODE>self + <VAR>other</VAR></CODE></A>
<DD>
<DT><A NAME="minus">
<CODE>self - <VAR>other</VAR></CODE></A>
<DD>
<DT><A NAME="mul">
<CODE>self * <VAR>other</VAR></CODE></A>
<DD>
<DT><A NAME="div">
<CODE>self / <VAR>other</VAR></CODE></A>
<DD>
<DT><A NAME="mod">
<CODE>self % <VAR>other</VAR></CODE></A>
<DD>
<DT><A NAME="pow">
<CODE>self ** <VAR>other</VAR></CODE></A>
<DD>
<p>
Arithmetic operations.
</p>

<DT>
<A NAME="inv">
<CODE>~ self</CODE></A>
<DD>
<DT><A NAME="or">
<CODE>self | <VAR>other</VAR></CODE></A>
<DD>
<DT><A NAME="and">
<CODE>self &#38; <VAR>other</VAR></CODE></A>
<DD>
<DT><A NAME="xor">
<CODE>self ^ <VAR>other</VAR></CODE></A>
<DD>
<DT><A NAME="lshift">
<CODE>self &#60;&#60; <VAR>bits</VAR></CODE></A>
<DD>
<DT><A NAME="rshift">
<CODE>self &#62;&#62; <VAR>bits</VAR></CODE></A>
<DD>
<p>
Bit operations
</p>

<DT>
<A NAME="id2name">
<CODE>id2name</CODE></A>
<DD>
<p>
Returns a corresponding strings to the number.  If there is
no corresponding symbol to the integer, it returns
<code>nil</code>.
</p>

<DT>
<A NAME="remainder"><CODE>remainder(other)</CODE></A>
<DD>
<p>
Returns remainder of the numbers.  In case either number is
negative, the evaluated value differs from that of the
operator <code>%</code>.
</p>
<blockquote>
<pre>
  13 %  4  =&gt;  1
  13 % -4  =&gt; -3
 -13 %  4  =&gt;  3
 -13 % -4  =&gt; -1

  13.remainder(4)    =&gt;  1
  13.remainder(-4)   =&gt;  1
(-13).remainder(4)   =&gt; -1
(-13).remainder(-4)  =&gt; -1
</pre>
</blockquote>

</DL>
</dl>

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