math/libm-test-signbit.inc

   1 /* Test signbit.
   2    Copyright (C) 1997-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include "libm-test-driver.c"
  20
  21 static const struct test_f_i_data signbit_test_data[] =
  22   {
  23     TEST_f_b (signbit, 0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  24     TEST_f_b (signbit, minus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  25     TEST_f_b (signbit, plus_infty, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  26     TEST_f_b (signbit, minus_infty, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  27     TEST_f_b (signbit, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  28     TEST_f_b (signbit, -qnan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  29     TEST_f_b (signbit, snan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  30     TEST_f_b (signbit, -snan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  31
  32     /* signbit (x) != 0 for x < 0.  */
  33     TEST_f_b (signbit, -1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  34     TEST_f_b (signbit, -min_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  35     TEST_f_b (signbit, -min_subnorm_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  36     TEST_f_b (signbit, -max_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  37     /* signbit (x) == 0 for x >= 0.  */
  38     TEST_f_b (signbit, 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  39     TEST_f_b (signbit, min_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  40     TEST_f_b (signbit, min_subnorm_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  41     TEST_f_b (signbit, max_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  42   };
  43
  44 static void
  45 signbit_test (void)
  46 {
  47   ALL_RM_TEST (signbit, 1, signbit_test_data, RUN_TEST_LOOP_f_b_tg, END);
  48 }
  49
  50 static void
  51 do_test (void)
  52 {
  53   signbit_test ();
  54 }
  55
  56 /*
  57  * Local Variables:
  58  * mode:c
  59  * End:
  60  */