drand48.c 1.2 KB

1234567891011121314151617181920212223242526272829303132333435
  1. /* Copyright (C) 1995,1996,1997,1998,2001,2002 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, write to the Free
  14. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA. */
  16. #include <stdlib.h>
  17. libc_hidden_proto(erand48_r)
  18. /* Global state for non-reentrant functions. Defined in drand48-iter.c. */
  19. extern struct drand48_data __libc_drand48_data attribute_hidden;
  20. double
  21. drand48 ()
  22. {
  23. double result;
  24. (void) erand48_r (__libc_drand48_data.__x, &__libc_drand48_data, &result);
  25. return result;
  26. }