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Java > Open Source Codes > org > armedbear > lisp > rem


1 /*
2  * rem.java
3  *
4  * Copyright (C) 2004 Peter Graves
5  * $Id: rem.java,v 1.2 2004/03/14 00:23:34 piso Exp $
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20  */
21
22 package org.armedbear.lisp;
23
24 // ### rem number divisor => remainder
25 public final class rem extends Primitive2
26 {
27     private rem()
28     {
29         super("rem", "number divisor");
30     }
31
32     public LispObject execute(LispObject number, LispObject divisor)
33         throws ConditionThrowable
34     {
35         number.truncate(divisor);
36         final LispThread thread = LispThread.currentThread();
37         LispObject remainder = thread._values[1];
38         thread.clearValues();
39         return remainder;
40     }
41
42     private static final Primitive2 REM = new rem();
43 }
44
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