test-fp-llogb-constants.c 1.5 KB

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  1. /* Test requirements on FP_LLOGB* constants.
  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. #include <limits.h>
  16. #include <math.h>
  17. #if FP_LLOGB0 >= 0
  18. # error "FP_LLOGB0 is positive"
  19. #endif
  20. #if FP_LLOGB0 != LONG_MIN && FP_LLOGB0 != -LONG_MAX
  21. # error "FP_LLOGB0 must be LONG_MIN or -LONG_MAX"
  22. #endif
  23. #if FP_LLOGBNAN >= 0 && FP_LLOGBNAN != LONG_MAX
  24. # error "FP_LLOGBNAN must be LONG_MIN or LONG_MAX"
  25. #endif
  26. #if FP_LLOGBNAN < 0 && FP_LLOGBNAN != LONG_MIN
  27. # error "FP_LLOGBNAN must be LONG_MIN or LONG_MAX"
  28. #endif
  29. #if (FP_ILOGB0 == INT_MIN) != (FP_LLOGB0 == LONG_MIN)
  30. # error "FP_ILOGB0 and FP_LLOGB0 inconsistent"
  31. #endif
  32. #if (FP_ILOGBNAN == INT_MIN) != (FP_LLOGBNAN == LONG_MIN)
  33. # error "FP_ILOGBNAN and FP_LLOGBNAN inconsistent"
  34. #endif
  35. /* This is a compilation test. */
  36. #define TEST_FUNCTION 0
  37. #include "../test-skeleton.c"