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[minix3.git] / lib / ack / fphook / adf4.fc
blob572f3daa3019eca313fe2ac037c78b416c1a8081
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         ADD TWO FLOATS - SINGLE (ADF 4)
12 #include        "FP_types.h"
14 void
15 adf4(s2,s1)
16 SINGLE  s1,s2;
18         EXTEND  e1,e2;
19         int     swap = 0;
21         if (s1 == (SINGLE) 0) {
22                 s1 = s2;
23                 return;
24         }
25         if (s2 == (SINGLE) 0) {
26                 return;
27         }
28         extend(&s1,&e1,sizeof(SINGLE));
29         extend(&s2,&e2,sizeof(SINGLE));
30         add_ext(&e1,&e2);
31         compact(&e1,&s1,sizeof(SINGLE));