source: trunk/minix/lib/ack/fphook/adf8.fc@ 12

/*
  (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/fphook/adf8.fc,v 1.1 2005/10/10 15:27:43 beng Exp $ */

/*
        ADD TWO FLOATS - DOUBLE (ADF 8)
*/

#include        "FP_types.h"

void
adf8(s2,s1)
DOUBLE  s1,s2;
{
        EXTEND  e1,e2;

        if (s1.d[0] == 0 && s1.d[1] == 0) {
                s1 = s2;
                return;
        }
        if (s2.d[0] == 0 && s2.d[1] == 0) {
                return;
        }

        extend(&s1.d[0],&e1,sizeof(DOUBLE));
        extend(&s2.d[0],&e2,sizeof(DOUBLE));
        add_ext(&e1,&e2);
        compact(&e1,&s1.d[0],sizeof(DOUBLE));
}