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glibc/math/libm-test-trunc.inc
Paul Eggert 2b778ceb40 Update copyright dates with scripts/update-copyrights 
I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 6694 files FOO.
I then removed trailing white space from benchtests/bench-pthread-locks.c
and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this
diagnostic from Savannah:
remote: *** pre-commit check failed ...
remote: *** error: lines with trailing whitespace found
remote: error: hook declined to update refs/heads/master
2021-01-02 12:17:34 -08:00

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/* Test trunc.
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 trunc_test_data[] =
{
TEST_f_f (trunc, plus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, minus_infty, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
TEST_f_f (trunc, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
TEST_f_f (trunc, 0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, minus_zero, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, min_subnorm_value, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, min_value, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 2, 2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p23, 0x1p23, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p24, 0x1p24, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p25, 0x1p25, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p52, 0x1p52, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p53, 0x1p53, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p54, 0x1p54, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p63, 0x1p63, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p64, 0x1p64, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p65, 0x1p65, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p105, 0x1p105, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p106, 0x1p106, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p107, 0x1p107, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p112, 0x1p112, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p113, 0x1p113, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p114, 0x1p114, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, max_value, max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -min_subnorm_value, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -min_value, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -1, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -2, -2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p23, -0x1p23, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p24, -0x1p24, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p25, -0x1p25, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p52, -0x1p52, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p53, -0x1p53, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p54, -0x1p54, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p63, -0x1p63, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p64, -0x1p64, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p65, -0x1p65, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p105, -0x1p105, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p106, -0x1p106, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p107, -0x1p107, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p112, -0x1p112, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p113, -0x1p113, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p114, -0x1p114, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -max_value, -max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0.1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0.25, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0.625, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0.1, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0.25, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0.625, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -1, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 1.625, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -1.625, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 1048580.625L, 1048580L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -1048580.625L, -1048580L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 8388610.125L, 8388610.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -8388610.125L, -8388610.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 4294967296.625L, 4294967296.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -4294967296.625L, -4294967296.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
#if MANT_DIG >= 64
/* The result can only be represented in long double. */
TEST_f_f (trunc, 4503599627370495.5L, 4503599627370495.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 4503599627370496.25L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 4503599627370496.5L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 4503599627370496.75L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 4503599627370497.5L, 4503599627370497.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# if MANT_DIG > 100
TEST_f_f (trunc, 4503599627370494.5000000000001L, 4503599627370494.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 4503599627370495.5000000000001L, 4503599627370495.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 4503599627370496.5000000000001L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# endif
TEST_f_f (trunc, -4503599627370495.5L, -4503599627370495.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -4503599627370496.25L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -4503599627370496.5L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -4503599627370496.75L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -4503599627370497.5L, -4503599627370497.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# if MANT_DIG > 100
TEST_f_f (trunc, -4503599627370494.5000000000001L, -4503599627370494.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -4503599627370495.5000000000001L, -4503599627370495.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -4503599627370496.5000000000001L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# endif
TEST_f_f (trunc, 9007199254740991.5L, 9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 9007199254740992.25L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 9007199254740992.5L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 9007199254740992.75L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 9007199254740993.5L, 9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# if MANT_DIG > 100
TEST_f_f (trunc, 9007199254740991.0000000000001L, 9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 9007199254740992.0000000000001L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 9007199254740993.0000000000001L, 9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 9007199254740991.5000000000001L, 9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 9007199254740992.5000000000001L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 9007199254740993.5000000000001L, 9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# endif
TEST_f_f (trunc, -9007199254740991.5L, -9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -9007199254740992.25L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -9007199254740992.5L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -9007199254740992.75L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -9007199254740993.5L, -9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# if MANT_DIG > 100
TEST_f_f (trunc, -9007199254740991.0000000000001L, -9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -9007199254740992.0000000000001L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -9007199254740993.0000000000001L, -9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -9007199254740991.5000000000001L, -9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -9007199254740992.5000000000001L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -9007199254740993.5000000000001L, -9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# endif
TEST_f_f (trunc, 72057594037927935.5L, 72057594037927935.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 72057594037927936.25L, 72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 72057594037927936.5L, 72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 72057594037927936.75L, 72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 72057594037927937.5L, 72057594037927937.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -72057594037927935.5L, -72057594037927935.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -72057594037927936.25L, -72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -72057594037927936.5L, -72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -72057594037927936.75L, -72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -72057594037927937.5L, -72057594037927937.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
/* Check cases where first double is a exact integer higher than 2^52 and
the precision is determined by second long double for IBM long double. */
TEST_f_f (trunc, 34503599627370498.515625L, 34503599627370498.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -34503599627370498.515625L, -34503599627370498.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# if MANT_DIG >= 106
TEST_f_f (trunc, 1192568192774434123539907640624.484375L, 1192568192774434123539907640624.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -1192568192774434123539907640624.484375L, -1192568192774434123539907640624.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# endif
TEST_f_f (trunc, 10141204801825835211973625643007.5L, 10141204801825835211973625643007.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 10141204801825835211973625643008.25L, 10141204801825835211973625643008.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 10141204801825835211973625643008.5L, 10141204801825835211973625643008.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 10141204801825835211973625643008.75L, 10141204801825835211973625643008.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 10141204801825835211973625643009.5L, 10141204801825835211973625643009.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
#endif
};
static void
trunc_test (void)
{
ALL_RM_TEST (trunc, 1, trunc_test_data, RUN_TEST_LOOP_f_f, END);
}
static void
do_test (void)
{
trunc_test ();
}
/*
* Local Variables:
* mode:c
* End:
*/
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