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71 lines
3.0 KiB
PHP
71 lines
3.0 KiB
PHP
/* Test significand.
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Copyright (C) 1997-2023 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 significand_test_data[] =
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{
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#if !TEST_FLOATN
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/* significand returns the mantissa of the exponential
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representation. Tests for infinities, zero and NaNs reflect
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the implementation (including possibility of "inexact" and
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variations between architectures) rather than any
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specification. */
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TEST_f_f (significand, qnan_value, qnan_value, INVALID_EXCEPTION_OK),
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TEST_f_f (significand, -qnan_value, qnan_value, INVALID_EXCEPTION_OK),
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TEST_f_f (significand, snan_value, qnan_value, INVALID_EXCEPTION),
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TEST_f_f (significand, -snan_value, qnan_value, INVALID_EXCEPTION),
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TEST_f_f (significand, plus_infty, plus_infty, INVALID_EXCEPTION_OK),
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TEST_f_f (significand, minus_infty, minus_infty, INVALID_EXCEPTION_OK),
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TEST_f_f (significand, 0, 0, INVALID_EXCEPTION_OK|DIVIDE_BY_ZERO_EXCEPTION_OK),
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TEST_f_f (significand, minus_zero, minus_zero, INVALID_EXCEPTION_OK|DIVIDE_BY_ZERO_EXCEPTION_OK),
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TEST_f_f (significand, min_value, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (significand, -min_value, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (significand, min_subnorm_value, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (significand, -min_subnorm_value, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (significand, 1.0, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (significand, -1.0, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (significand, 4.0, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (significand, -4.0, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (significand, 6.0, 1.5, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (significand, -6.0, -1.5, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (significand, 8.0, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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TEST_f_f (significand, -8.0, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
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#endif
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};
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static void
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significand_test (void)
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{
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#if !TEST_FLOATN
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ALL_RM_TEST (significand, 1, significand_test_data, RUN_TEST_LOOP_f_f, END);
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#endif
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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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significand_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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