71 lines
1.2 KiB
C
71 lines
1.2 KiB
C
/* $Header$ */
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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_err.h>
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extern _trp();
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int _mdi(j,i) int j,i; {
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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(j,i) long j,i; {
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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(j, i) unsigned int j,i; {
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int neg = 0;
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if ((int)j < 0) {
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j = -(int)j; neg = 1;
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}
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if ((int)i < 0) {
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i = -(int)i; neg = !neg;
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}
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i = i / j;
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if (neg) return -(int)i;
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return i;
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}
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long _dvil(j, i) unsigned long j,i; {
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int neg = 0;
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if ((long)j < 0) {
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j = -(long)j; neg = 1;
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}
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if ((long)i < 0) {
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i = -(long)i; neg = !neg;
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}
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i = i / j;
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if (neg) return -(long)i;
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return i;
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}
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