source: trunk/minix/lib/ack/fphook/sbf4.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/sbf4.fc,v 1.1 2005/10/10 15:27:44 beng Exp $ */

/*
        SUBTRACT TWO FLOATS - SINGLE Precision (SBF 4)
*/

#include        "FP_types.h"

void
sbf4(s2,s1)
SINGLE  s1,s2;
{
        EXTEND e1,e2;

        if (s2 == (SINGLE) 0) {
                return;
        }
        extend(&s1,&e1,sizeof(SINGLE));
        extend(&s2,&e2,sizeof(SINGLE));
        sub_ext(&e1,&e2);
        compact(&e1,&s1,sizeof(SINGLE));
}