test-math-iscanonical.cc 1.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748
  1. /* Test for the C++ implementation of iscanonical.
  2. Copyright (C) 2017-2019 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. #define _GNU_SOURCE 1
  16. #include <math.h>
  17. #include <stdio.h>
  18. static int errors;
  19. template <class T>
  20. static void
  21. check_type ()
  22. {
  23. T val = 0;
  24. /* Check if iscanonical is available in C++ mode (bug 22235). */
  25. if (iscanonical (val) == 0)
  26. errors++;
  27. }
  28. static int
  29. do_test (void)
  30. {
  31. check_type<float> ();
  32. check_type<double> ();
  33. check_type<long double> ();
  34. #if __HAVE_DISTINCT_FLOAT128
  35. check_type<_Float128> ();
  36. #endif
  37. return errors != 0;
  38. }
  39. #include <support/test-driver.c>