forget difference between big and small commands - obsolete with vm.
[minix.git] / lib / ack / fphook / sbf8.fc
blob9d4c1067c41ba30e883a6539cc200321cc4fa1b5
1 /*
2   (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
3   See the copyright notice in the ACK home directory, in the file "Copyright".
4 */
6 /* $Header$ */
8 /*
9         SUBTRACT TWO FLOATS - DOUBLE Precision (SBF 8)
12 #include        "FP_types.h"
14 void
15 sbf8(s2,s1)
16 DOUBLE  s1,s2;
18         EXTEND e1, e2;
20         if (s2.d[0] == 0 && s2.d[1] == 0) {
21                 return;
22         }
23         extend(&s1.d[0],&e1,sizeof(DOUBLE));
24         extend(&s2.d[0],&e2,sizeof(DOUBLE));
25         sub_ext(&e1,&e2);
26         compact(&e1,&s1.d[0],sizeof(DOUBLE));