83 lines
1.1 KiB
C
83 lines
1.1 KiB
C
/* $Id$ */
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/*
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* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
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*
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* This product is part of the Amsterdam Compiler Kit.
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*
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* Permission to use, sell, duplicate or disclose this software must be
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* obtained in writing. Requests for such permissions may be sent to
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*
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* Dr. Andrew S. Tanenbaum
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* Wiskundig Seminarium
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* Vrije Universiteit
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* Postbox 7161
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* 1007 MC Amsterdam
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* The Netherlands
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*
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*/
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/* Author: J.W. Stevenson */
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#include "pc.h"
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int _mdi(int j, int i)
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{
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if (j <= 0)
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_trp(EMOD);
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i = i % j;
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if (i < 0)
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i += j;
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return (i);
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}
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long _mdil(long j, long i)
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{
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if (j <= 0)
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_trp(EMOD);
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i = i % j;
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if (i < 0)
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i += j;
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return (i);
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}
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int _dvi(unsigned int j, unsigned int i)
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{
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int neg = 0;
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if ((int)j < 0)
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{
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j = -(int)j;
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neg = 1;
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}
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if ((int)i < 0)
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{
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i = -(int)i;
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neg = !neg;
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}
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i = i / j;
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if (neg)
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return -(int)i;
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return i;
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}
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long _dvil(unsigned long j, unsigned long i)
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{
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int neg = 0;
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if ((long)j < 0)
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{
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j = -(long)j;
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neg = 1;
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}
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if ((long)i < 0)
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{
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i = -(long)i;
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neg = !neg;
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}
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i = i / j;
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if (neg)
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return -(long)i;
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return i;
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}
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