/*  (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/fif8.fc,v 1.1 2005/10/10 15:27:43 beng Exp $ *//*	MULTIPLY AND DISMEMBER PARTS (FIF 8)*/#include "FP_types.h"#include "FP_shift.h"voidfif8(p,x,y)DOUBLE	x,y;struct fif8_returns *p;{	EXTEND	e1,e2;	extend(&y.d[0],&e1,sizeof(DOUBLE));	extend(&x.d[0],&e2,sizeof(DOUBLE));		/* do a multiply */	mul_ext(&e1,&e2);	e2 = e1;	compact(&e2, &y.d[0], sizeof(DOUBLE));	if (e1.exp < 0) {		p->ipart.d[0] = 0;		p->ipart.d[1] = 0;		p->fpart = y;		return;	}	if (e1.exp > 62 - DBL_M1LEFT) {		p->ipart = y;		p->fpart.d[0] = 0;		p->fpart.d[1] = 0;		return;	}	b64_sft(&e1.mantissa, 63 - e1.exp);	b64_sft(&e1.mantissa, e1.exp - 63);	/* "loose" low order bits */	compact(&e1, &(p->ipart.d[0]), sizeof(DOUBLE));	extend(&(p->ipart.d[0]), &e2, sizeof(DOUBLE));	extend(&y.d[0], &e1, sizeof(DOUBLE));	sub_ext(&e1, &e2);	compact(&e1, &(p->fpart.d[0]), sizeof(DOUBLE));}