* Copyright (c) 1990 The Regents of the University of California.
* This code is derived from software contributed to Berkeley by
* %sccs.include.redist.c%
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)modf.s 5.1 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */
* modf(value, iptr): return fractional part of value, and stores the
* integral part into iptr (a pointer to double).
* Written by Sean Eric Fagan (sef@kithrup.COM)
* Sun Mar 11 20:27:30 PST 1990
/* With CHOP mode on, frndint behaves as TRUNC does. Useful. */
modf(double value, double *iptr)
__asm ("fnstcw %0" : "=g" (i87flag) : );
i87temp = i87flag | 0xc00 ; /* turn on chop mode [truncation] */
__asm ("fldcw %0" : : "g" (i87temp));
__asm ("frndint" : "=f" (temp) : "0" (value)); /* temp = int of value */
__asm ("fldcw %0" : : "g" (i87flag));