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Diffstat (limited to 'math/libm-test-logb.inc')
| -rw-r--r-- | math/libm-test-logb.inc | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/math/libm-test-logb.inc b/math/libm-test-logb.inc new file mode 100644 index 0000000000..2fe87c3ca8 --- /dev/null +++ b/math/libm-test-logb.inc @@ -0,0 +1,77 @@ +/* Test logb. + Copyright (C) 1997-2017 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/>. */ + +static const struct test_f_f_data logb_test_data[] = + { + TEST_f_f (logb, plus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, minus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + + /* Bug 6793: errno setting may be missing. */ + TEST_f_f (logb, 0, minus_infty, NO_INEXACT_EXCEPTION|DIVIDE_BY_ZERO_EXCEPTION), + + TEST_f_f (logb, minus_zero, minus_infty, NO_INEXACT_EXCEPTION|DIVIDE_BY_ZERO_EXCEPTION), + TEST_f_f (logb, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), + TEST_f_f (logb, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), + + TEST_f_f (logb, 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, lit_e, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, 1024, 10, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, -2000, 10, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + + TEST_f_f (logb, min_subnorm_value, MIN_EXP-MANT_DIG, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED); + TEST_f_f (logb, -min_subnorm_value, MIN_EXP-MANT_DIG, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED); + TEST_f_f (logb, min_value, MIN_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED); + TEST_f_f (logb, -min_value, MIN_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED); + TEST_f_f (logb, max_value, MAX_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED); + TEST_f_f (logb, -max_value, MAX_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED); + + TEST_f_f (logb, 0x0.1p-127, -131, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, 0x0.01p-127, -135, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, 0x0.011p-127, -135, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +#if !TEST_COND_binary32 + TEST_f_f (logb, 0x0.8p-1022, -1023, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, 0x0.1p-1022, -1026, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, 0x0.00111p-1022, -1034, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, 0x0.00001p-1022, -1042, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, 0x0.000011p-1022, -1042, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, 0x0.0000000000001p-1022, -1074, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +#endif +#if MIN_EXP - MANT_DIG <= -16400 + TEST_f_f (logb, 0x1p-16400L, -16400, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, 0x.00000000001p-16382L, -16426, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +#endif + +#if MANT_DIG >= 57 + TEST_f_f (logb, 0x1.ffffffffffffffp1L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_f_f (logb, -0x1.ffffffffffffffp1L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), +#endif + }; + +static void +logb_test (void) +{ + ALL_RM_TEST (logb, 1, logb_test_data, RUN_TEST_LOOP_f_f, END); +} + +/* + * Local Variables: + * mode:c + * End: + */ |