math/libm-test-significand.inc

   1 /* Test significand.
   2    Copyright (C) 1997-2020 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_f_data significand_test_data[] =
  22   {
  23 #if !TEST_FLOATN
  24     /* significand returns the mantissa of the exponential
  25        representation.  Tests for infinities, zero and NaNs reflect
  26        the implementation (including possibility of "inexact" and
  27        variations between architectures) rather than any
  28        specification.  */
  29     TEST_f_f (significand, qnan_value, qnan_value, INVALID_EXCEPTION_OK),
  30     TEST_f_f (significand, -qnan_value, qnan_value, INVALID_EXCEPTION_OK),
  31     TEST_f_f (significand, snan_value, qnan_value, INVALID_EXCEPTION),
  32     TEST_f_f (significand, -snan_value, qnan_value, INVALID_EXCEPTION),
  33     TEST_f_f (significand, plus_infty, plus_infty, INVALID_EXCEPTION_OK),
  34     TEST_f_f (significand, minus_infty, minus_infty, INVALID_EXCEPTION_OK),
  35     TEST_f_f (significand, 0, 0, INVALID_EXCEPTION_OK|DIVIDE_BY_ZERO_EXCEPTION_OK),
  36     TEST_f_f (significand, minus_zero, minus_zero, INVALID_EXCEPTION_OK|DIVIDE_BY_ZERO_EXCEPTION_OK),
  37     TEST_f_f (significand, min_value, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  38     TEST_f_f (significand, -min_value, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  39     TEST_f_f (significand, min_subnorm_value, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  40     TEST_f_f (significand, -min_subnorm_value, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  41     TEST_f_f (significand, 1.0, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  42     TEST_f_f (significand, -1.0, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  43     TEST_f_f (significand, 4.0, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  44     TEST_f_f (significand, -4.0, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  45     TEST_f_f (significand, 6.0, 1.5, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  46     TEST_f_f (significand, -6.0, -1.5, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  47     TEST_f_f (significand, 8.0, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  48     TEST_f_f (significand, -8.0, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  49 #endif
  50   };
  51
  52 static void
  53 significand_test (void)
  54 {
  55 #if !TEST_FLOATN
  56   ALL_RM_TEST (significand, 1, significand_test_data, RUN_TEST_LOOP_f_f, END);
  57 #endif
  58 }
  59
  60 static void
  61 do_test (void)
  62 {
  63   significand_test ();
  64 }
  65
  66 /*
  67  * Local Variables:
  68  * mode:c
  69  * End:
  70  */