ack/mach/proto/fp/adf4.c
1988-08-04 11:16:20 +00:00

34 lines
567 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".
*/
/* $Header$ */
/*
ADD TWO FLOATS - SINGLE (ADF 4)
*/
#include "FP_types.h"
_float
adf4(s2,s1)
_float s1,s2;
{
EXTEND e1,e2;
int swap = 0;
if (s1 == (_float) 0) {
s1 = s2;
return s1;
}
if (s2 == (_float) 0) {
return s1;
}
extend((_double *)&s1,&e1,sizeof(SINGLE));
extend((_double *)&s2,&e2,sizeof(SINGLE));
add_ext(&e1,&e2);
compact(&e1,(_double *)&s1,sizeof(SINGLE));
return(s1);
}