/*  (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.  See the copyright notice in the ACK home directory, in the file "Copyright".*//* $Header: /cvsup/minix/src/lib/ack/float/fif4.fc,v 1.1 2005/10/10 15:27:43 beng Exp $ *//*	MULTIPLY AND DISMEMBER PARTS (FIF 4)*/#include "FP_types.h"#include "FP_shift.h"voidfif4(p,x,y)SINGLE	x,y;struct fif4_returns *p;{	EXTEND	e1,e2;	extend(&y,&e1,sizeof(SINGLE));	extend(&x,&e2,sizeof(SINGLE));		/* do a multiply */	mul_ext(&e1,&e2);	e2 = e1;	compact(&e2,&y,sizeof(SINGLE));	if (e1.exp < 0) {		p->ipart = 0;		p->fpart = y;		return;	}	if (e1.exp > 30 - SGL_M1LEFT) {		p->ipart = y;		p->fpart = 0;		return;	}	b64_sft(&e1.mantissa, 63 - e1.exp);	b64_sft(&e1.mantissa, e1.exp - 63);	/* "loose" low order bits */	compact(&e1,&(p->ipart),sizeof(SINGLE));	extend(&(p->ipart), &e2, sizeof(SINGLE));	extend(&y, &e1, sizeof(SINGLE));	sub_ext(&e1, &e2);	compact(&e1, &(p->fpart), sizeof(SINGLE));}