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/* Test significand.
Copyright (C) 1997-2021 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
<https://www.gnu.org/licenses/>. */
#include "libm-test-driver.c"
static const struct test_f_f_data significand_test_data[] =
{
#if !TEST_FLOATN
/* significand returns the mantissa of the exponential
representation. Tests for infinities, zero and NaNs reflect
the implementation (including possibility of "inexact" and
variations between architectures) rather than any
specification. */
TEST_f_f (significand, qnan_value, qnan_value, INVALID_EXCEPTION_OK),
TEST_f_f (significand, -qnan_value, qnan_value, INVALID_EXCEPTION_OK),
TEST_f_f (significand, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_f_f (significand, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_f_f (significand, plus_infty, plus_infty, INVALID_EXCEPTION_OK),
TEST_f_f (significand, minus_infty, minus_infty, INVALID_EXCEPTION_OK),
TEST_f_f (significand, 0, 0, INVALID_EXCEPTION_OK|DIVIDE_BY_ZERO_EXCEPTION_OK),
TEST_f_f (significand, minus_zero, minus_zero, INVALID_EXCEPTION_OK|DIVIDE_BY_ZERO_EXCEPTION_OK),
TEST_f_f (significand, min_value, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (significand, -min_value, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (significand, min_subnorm_value, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (significand, -min_subnorm_value, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (significand, 1.0, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (significand, -1.0, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (significand, 4.0, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (significand, -4.0, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (significand, 6.0, 1.5, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (significand, -6.0, -1.5, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (significand, 8.0, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (significand, -8.0, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
#endif
};
static void
significand_test (void)
{
#if !TEST_FLOATN
ALL_RM_TEST (significand, 1, significand_test_data, RUN_TEST_LOOP_f_f, END);
#endif
}
static void
do_test (void)
{
significand_test ();
}
/*
* Local Variables:
* mode:c
* End:
*/
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