21 lines
293 B
C
21 lines
293 B
C
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)modf.c 1.1 92/07/30 SMI";
|
|
#endif
|
|
|
|
/*
|
|
* Copyright (c) 1987 by Sun Microsystems, Inc.
|
|
*/
|
|
|
|
#include <math.h>
|
|
|
|
double modf(x,iptr)
|
|
double x, *iptr ;
|
|
{
|
|
*iptr = aint(x);
|
|
if(finite(x)&&x!=(*iptr))
|
|
return x - (*iptr);
|
|
else
|
|
return copysign(0.0,x);
|
|
}
|