32 lines
698 B
C
32 lines
698 B
C
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/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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/* $Header$ */
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#include <stdlib.h>
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static int tmp = -1;
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div_t
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div(register int numer, register int denom)
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{
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div_t r;
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/* The assignment of tmp should not be optimized !! */
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if (tmp == -1) {
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tmp = (tmp / 2 == 0);
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}
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if (numer == 0) {
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r.quot = numer / denom; /* might trap if denom == 0 */
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r.rem = numer % denom;
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} else if ( !tmp && ((numer < 0) != (denom < 0))) {
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r.quot = (numer / denom) + 1;
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r.rem = numer - (numer / denom + 1) * denom;
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} else {
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r.quot = numer / denom;
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r.rem = numer % denom;
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}
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return r;
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}
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