division.h

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00001 /*
00002  * Copyright (c) 2006 Josef Cejka
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  *
00009  * - Redistributions of source code must retain the above copyright
00010  *   notice, this list of conditions and the following disclaimer.
00011  * - Redistributions in binary form must reproduce the above copyright
00012  *   notice, this list of conditions and the following disclaimer in the
00013  *   documentation and/or other materials provided with the distribution.
00014  * - The name of the author may not be used to endorse or promote products
00015  *   derived from this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00018  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00019  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00020  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00021  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00022  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00023  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00024  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00025  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00026  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00027  */
00028 
00036 #ifndef __SOFTINT_DIVISION_H__
00037 #define __SOFTINT_DIVISION_H__
00038 
00039 
00040 /* 32bit integer division */
00041 int __divsi3(int a, int b);
00042 
00043 /* 64bit integer division */
00044 long long __divdi3(long long a, long long b);
00045 
00046 /* 32bit unsigned integer division */
00047 unsigned int __udivsi3(unsigned int a, unsigned int b);
00048 
00049 /* 64bit unsigned integer division */
00050 unsigned long long __udivdi3(unsigned long long a, unsigned long long b);
00051 
00052 /* 32bit remainder of the signed division */
00053 int __modsi3(int a, int b);
00054 
00055 /* 64bit remainder of the signed division */
00056 long long __moddi3(long long a, long long b);
00057 
00058 /* 32bit remainder of the unsigned division */
00059 unsigned int __umodsi3(unsigned int a, unsigned int b);
00060 
00061 /* 64bit remainder of the unsigned division */
00062 unsigned long long __umoddi3(unsigned long long a, unsigned long long b);
00063 
00064 unsigned long long __udivmoddi3(unsigned long long a, unsigned long long b, unsigned long long *c); 
00065 
00066 #endif
00067 

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