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86 lines
3.7 KiB
PHP
86 lines
3.7 KiB
PHP
/* Test logb.
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Copyright (C) 1997-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include "libm-test-driver.c"
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static const struct test_f_f_data logb_test_data[] =
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{
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TEST_f_f (logb, plus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, minus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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/* Bug 6793: errno setting may be missing. */
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TEST_f_f (logb, 0, minus_infty, NO_INEXACT_EXCEPTION|DIVIDE_BY_ZERO_EXCEPTION),
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TEST_f_f (logb, minus_zero, minus_infty, NO_INEXACT_EXCEPTION|DIVIDE_BY_ZERO_EXCEPTION),
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TEST_f_f (logb, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
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TEST_f_f (logb, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
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TEST_f_f (logb, 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, lit_e, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, 1024, 10, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, -2000, 10, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, min_subnorm_value, MIN_EXP-MANT_DIG, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, -min_subnorm_value, MIN_EXP-MANT_DIG, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, min_value, MIN_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, -min_value, MIN_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, max_value, MAX_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, -max_value, MAX_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, 0x0.1p-127, -131, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, 0x0.01p-127, -135, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, 0x0.011p-127, -135, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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#if !TEST_COND_binary32
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TEST_f_f (logb, 0x0.8p-1022, -1023, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, 0x0.1p-1022, -1026, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, 0x0.00111p-1022, -1034, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, 0x0.00001p-1022, -1042, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, 0x0.000011p-1022, -1042, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, 0x0.0000000000001p-1022, -1074, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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#endif
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#if MIN_EXP - MANT_DIG <= -16400
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TEST_f_f (logb, 0x1p-16400L, -16400, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, 0x.00000000001p-16382L, -16426, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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#endif
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#if MANT_DIG >= 57
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TEST_f_f (logb, 0x1.ffffffffffffffp1L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (logb, -0x1.ffffffffffffffp1L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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#endif
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};
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static void
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logb_test (void)
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{
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ALL_RM_TEST (logb, 1, logb_test_data, RUN_TEST_LOOP_f_f, END);
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}
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static void
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do_test (void)
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{
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logb_test ();
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}
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/*
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* Local Variables:
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* mode:c
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* End:
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*/
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