float.c 1.3 KB

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  1. /* Auxiliary definitions for <float.h>.
  2. Copyright (C) 2011-2013 Free Software Foundation, Inc.
  3. Written by Bruno Haible <bruno@clisp.org>, 2011.
  4. This program is free software: you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation; either version 3 of the License, or
  7. (at your option) any later version.
  8. This program 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
  11. GNU General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with this program. If not, see <http://www.gnu.org/licenses/>. */
  14. #include <config.h>
  15. /* Specification. */
  16. #include <float.h>
  17. #if (defined _ARCH_PPC || defined _POWER) && (defined _AIX || defined __linux__) && (LDBL_MANT_DIG == 106) && defined __GNUC__
  18. const union gl_long_double_union gl_LDBL_MAX =
  19. { { DBL_MAX, DBL_MAX / (double)134217728UL / (double)134217728UL } };
  20. #elif defined __i386__
  21. const union gl_long_double_union gl_LDBL_MAX =
  22. { { 0xFFFFFFFF, 0xFFFFFFFF, 32766 } };
  23. #else
  24. /* This declaration is solely to ensure that after preprocessing
  25. this file is never empty. */
  26. typedef int dummy;
  27. #endif