35 lines
507 B
C
35 lines
507 B
C
|
/*
|
||
|
|
* (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
|
||
|
|
* See the copyright notice in the ACK home directory, in the file "Copyright".
|
||
|
|
*
|
||
|
|
* Author: Hans van Eck
|
||
|
|
*/
|
||
|
|
/* $Header$ */
|
||
|
|
|
||
|
|
#include <math.h>
|
||
|
|
#include <errno.h>
|
||
|
|
|
||
|
|
double
|
||
|
|
fmod(double x, double y)
|
||
|
|
{
|
||
|
|
long i;
|
||
|
|
double val;
|
||
|
|
double frac;
|
||
|
|
|
||
|
|
if (y == 0) {
|
||
|
|
errno = EDOM;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
frac = modf( x / y, &val);
|
||
|
|
|
||
|
|
return frac * y;
|
||
|
|
|
||
|
|
/*
|
||
|
|
val = x / y;
|
||
|
|
if (val > LONG_MIN && val < LONG_MAX) {
|
||
|
|
i = val;
|
||
|
|
return x - i * y;
|
||
|
|
}
|
||
|
|
*/
|
||
|
|
}
|