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| [9] | 1 | /* $Header: /cvsup/minix/src/lib/ack/libp/mdi.c,v 1.1 2005/10/10 15:27:47 beng Exp $ */
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| 2 | /*
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| 3 | * (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
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| 4 | *
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| 5 | * This product is part of the Amsterdam Compiler Kit.
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| 6 | *
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| 7 | * Permission to use, sell, duplicate or disclose this software must be
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| 8 | * obtained in writing. Requests for such permissions may be sent to
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| 9 | *
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| 10 | * Dr. Andrew S. Tanenbaum
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| 11 | * Wiskundig Seminarium
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| 12 | * Vrije Universiteit
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| 13 | * Postbox 7161
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| 14 | * 1007 MC Amsterdam
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| 15 | * The Netherlands
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| 16 | *
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| 17 | */
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| 18 |
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| 19 | /* Author: J.W. Stevenson */
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| 20 |
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| 21 | #include <pc_err.h>
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| 22 |
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| 23 | extern _trp();
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| 24 |
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| 25 | int _mdi(j,i) int j,i; {
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| 26 |
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| 27 | if (j <= 0)
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| 28 | _trp(EMOD);
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| 29 | i = i % j;
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| 30 | if (i < 0)
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| 31 | i += j;
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| 32 | return(i);
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| 33 | }
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| 34 |
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| 35 | long _mdil(j,i) long j,i; {
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| 36 |
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| 37 | if (j <= 0)
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| 38 | _trp(EMOD);
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| 39 | i = i % j;
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| 40 | if (i < 0)
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| 41 | i += j;
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| 42 | return(i);
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| 43 | }
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| 44 |
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| 45 | int _dvi(j, i) unsigned int j,i; {
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| 46 | int neg = 0;
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| 47 |
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| 48 | if ((int)j < 0) {
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| 49 | j = -(int)j; neg = 1;
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| 50 | }
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| 51 | if ((int)i < 0) {
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| 52 | i = -(int)i; neg = !neg;
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| 53 | }
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| 54 | i = i / j;
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| 55 | if (neg) return -(int)i;
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| 56 | return i;
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| 57 | }
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| 58 |
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| 59 | long _dvil(j, i) unsigned long j,i; {
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| 60 | int neg = 0;
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| 61 |
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| 62 | if ((long)j < 0) {
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| 63 | j = -(long)j; neg = 1;
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| 64 | }
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| 65 | if ((long)i < 0) {
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| 66 | i = -(long)i; neg = !neg;
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| 67 | }
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| 68 | i = i / j;
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| 69 | if (neg) return -(long)i;
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| 70 | return i;
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| 71 | }
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