dbl2mpn.c 1.2 KB

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  1. /* Copyright (C) 1993-2019 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, see
  13. <http://www.gnu.org/licenses/>. */
  14. #include <gmp.h>
  15. #include "gmp-impl.h"
  16. /* Convert a `double' to a multi-precision integer representing the
  17. significand scaled up by the highest possible number of significant bits
  18. of fraction (DBL_MANT_DIG), and an integral power of two (MPN frexp). */
  19. mp_size_t
  20. __mpn_extract_double (mp_ptr res_ptr, mp_size_t size,
  21. int *expt, int *is_neg,
  22. double value)
  23. {
  24. #error "__mpn_extract_double is not implemented for this floating point format"
  25. }