nan-high-order-bit.h 1.1 KB

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  1. /* Specify NaN high-order bit conventions. Generic version.
  2. Copyright (C) 2016-2019 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  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, see
  14. <http://www.gnu.org/licenses/>. */
  15. #ifndef NAN_HIGH_ORDER_BIT_H
  16. #define NAN_HIGH_ORDER_BIT_H 1
  17. /* Define this macro to 1 if the high-order bit of a NaN's mantissa is
  18. set for signaling NaNs and clear for quiet NaNs, 0 otherwise (the
  19. preferred IEEE convention). */
  20. #define HIGH_ORDER_BIT_IS_SET_FOR_SNAN 0
  21. #endif /* nan-high-order-bit.h */