ack/mach/proto/fp/sbf4.c
1993-01-05 12:06:58 +00:00

28 lines
474 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".
*/
/* $Header$ */
/*
SUBTRACT TWO FLOATS - SINGLE Precision (SBF 4)
*/
#include "FP_types.h"
SINGLE
sbf4(s2,s1)
SINGLE s1,s2;
{
SINGLE *result = &s1; /* s1 may not be in a register! */
if (s2 == (SINGLE) 0) {
return s1;
}
s2 = ngf4(s2);
*result = adf4(s2,s1);
return(s1); /* add and return result */
}