ack/mach/proto/fp/fef4.c
1989-07-25 14:21:09 +00:00

33 lines
597 B
C

/*
(c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* $Header$ */
/*
SEPERATE INTO EXPONENT AND FRACTION (FEF 4)
*/
#include "FP_types.h"
struct fef4_returns {
int e;
_float f;
};
fef4(r,s1)
_float s1;
struct fef4_returns *r;
{
EXTEND buf;
register struct fef4_returns *p = r; /* make copy; r might refer
to itself (see table)
*/
extend((_double *) &s1,&buf,sizeof(_float));
p->e = buf.exp+1;
buf.exp = -1;
compact(&buf,(_double *) &p->f,sizeof(_float));
}