27 lines
492 B
C
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));
|
|
}
|