lib/float/adf4.c

   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 */
   5
   6 /* $Header$ */
   7
   8 /*
   9         ADD TWO FLOATS - SINGLE (ADF 4)
  10 */
  11
  12 #include        "FP_types.h"
  13
  14 void
  15 adf4(s2,s1)
  16 SINGLE  s1,s2;
  17 {
  18         EXTEND  e1,e2;
  19         int     swap = 0;
  20
  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));
  32 }