minix/lib/ansi/ldiv.c
2005-04-21 14:53:53 +00:00

31 lines
704 B
C
Executable file

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