| /* Test nextdown. |
| Copyright (C) 1997-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "libm-test-driver.c" |
| |
| static const struct test_f_f_data nextdown_test_data[] = |
| { |
| TEST_f_f (nextdown, minus_zero, -min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, 0, -min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, min_subnorm_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, -max_value, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, plus_infty, max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, minus_infty, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), |
| TEST_f_f (nextdown, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), |
| #if TEST_COND_binary32 |
| TEST_f_f (nextdown, 1.0, 0x0.ffffffp0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, -1.0, -0x1.000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| #endif |
| #if TEST_COND_binary64 |
| TEST_f_f (nextdown, 1.0, 0x1.fffffffffffffp-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, -1.0, -0x1.0000000000001p+0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| #endif |
| #if TEST_COND_m68k96 || TEST_COND_intel96 |
| TEST_f_f (nextdown, -1.0L, -0x8.0000000000000010p-3L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, 1.0L, 0xf.fffffffffffffff0p-4L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, 0x8.0000000000000010p-3L, 1.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| #endif |
| #if TEST_COND_intel96 |
| TEST_f_f (nextdown, -0x0.fffffffdfffffffep-16382L, -0x0.fffffffep-16382L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| #endif |
| #if TEST_COND_m68k96 |
| TEST_f_f (nextdown, -0x0.fffffffdfffffffep-16383L, -0x0.fffffffep-16383L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| #endif |
| #if TEST_COND_ibm128 |
| TEST_f_f (nextdown, -1.0L, -1.0L - 0x1p-105L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, 1.0L + 0x1p-105L, 1.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, 1.0L, 1.0L - 0x1p-106L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| #endif |
| #if TEST_COND_binary128 |
| TEST_f_f (nextdown, 1.0L, 0x1.ffffffffffffffffffffffffffffp-1L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| TEST_f_f (nextdown, -1.0L, -0x1.0000000000000000000000000001p+0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), |
| #endif |
| }; |
| |
| static void |
| nextdown_test (void) |
| { |
| ALL_RM_TEST (nextdown, 1, nextdown_test_data, RUN_TEST_LOOP_f_f, END); |
| } |
| |
| |
| /* Note, the second argument is always typed as long double. The j type |
| argument to TEST_ indicates the literal should not be post-processed by |
| gen-libm-test.pl. */ |
| |
| static void |
| do_test (void) |
| { |
| nextdown_test (); |
| } |
| |
| /* |
| * Local Variables: |
| * mode:c |
| * End: |
| */ |