adf4.c 509 B

1234567891011121314151617181920212223242526272829303132
  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. /* $Id$ */
  6. /*
  7. ADD TWO FLOATS - SINGLE (ADF 4)
  8. */
  9. #include "FP_types.h"
  10. void
  11. adf4(s2,s1)
  12. SINGLE s1,s2;
  13. {
  14. EXTEND e1,e2;
  15. int swap = 0;
  16. if (s1 == (SINGLE) 0) {
  17. s1 = s2;
  18. return;
  19. }
  20. if (s2 == (SINGLE) 0) {
  21. return;
  22. }
  23. extend(&s1,&e1,sizeof(SINGLE));
  24. extend(&s2,&e2,sizeof(SINGLE));
  25. add_ext(&e1,&e2);
  26. compact(&e1,&s1,sizeof(SINGLE));
  27. }