minix/lib/float/sbf8.c
2009-11-09 10:26:00 +00:00

27 lines
492 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 - DOUBLE Precision (SBF 8)
*/
#include "FP_types.h"
void
sbf8(s2,s1)
DOUBLE s1,s2;
{
EXTEND e1, e2;
if (s2.d[0] == 0 && s2.d[1] == 0) {
return;
}
extend(&s1.d[0],&e1,sizeof(DOUBLE));
extend(&s2.d[0],&e2,sizeof(DOUBLE));
sub_ext(&e1,&e2);
compact(&e1,&s1.d[0],sizeof(DOUBLE));
}