ack/mach/proto/fp/cff4.c

36 lines
834 B
C
Raw Normal View History

1988-04-07 11:40:46 +00:00
/*
(c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* $Header$ */
1988-04-07 10:57:49 +00:00
/*
CONVERT DOUBLE TO FLOAT
This routine works quite simply. A floating point
of size 08 is converted to extended format.
This extended variable is converted back to
a floating point of size 04.
*/
#include "FP_types.h"
cff4(src)
_double src; /* the source itself - THIS TIME it's DOUBLE */
{
EXTEND buf;
extend(&src,&buf,8); /* no matter what */
#ifdef PRT_EXT
prt_ext("CFF4() entry:",&buf);
fprintf(stderr,"ds(%d),ss(%d),src(%08X%08X)\n",8,4,src.__double[0],
src.__double[1]);
#endif PRT_EXT
compact(&buf,(_double *) &(src.__double[1]),4);
#ifdef PRT_EXT
fprintf(stderr,"CFF4() exit : %08X\n",src.__double[1]);
#endif PRT_EXT
}