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83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/* Test totalorderl and totalordermagl for ldbl-96.
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Copyright (C) 2016-2019 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 <float.h>
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#include <math.h>
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#include <math_ldbl.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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static const uint64_t tests[] =
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{
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0, 1, 0x4000000000000000ULL, 0x4000000000000001ULL,
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0x7fffffffffffffffULL
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};
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static int
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do_test (void)
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{
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int result = 0;
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if (LDBL_MIN_EXP == -16382)
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for (size_t i = 0; i < sizeof (tests) / sizeof (tests[0]); i++)
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{
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long double ldx, ldy, ldnx, ldny;
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/* Verify that the high bit of the mantissa is ignored for
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infinities and NaNs for the M68K variant of this
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format. */
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SET_LDOUBLE_WORDS (ldx, 0x7fff,
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tests[i] >> 32, tests[i] & 0xffffffffULL);
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SET_LDOUBLE_WORDS (ldy, 0x7fff,
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(tests[i] >> 32) | 0x80000000,
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tests[i] & 0xffffffffULL);
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SET_LDOUBLE_WORDS (ldnx, 0xffff,
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tests[i] >> 32, tests[i] & 0xffffffffULL);
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SET_LDOUBLE_WORDS (ldny, 0xffff,
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(tests[i] >> 32) | 0x80000000,
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tests[i] & 0xffffffffULL);
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bool to1 = totalorderl (&ldx, &ldy);
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bool to2 = totalorderl (&ldy, &ldx);
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bool to3 = totalorderl (&ldnx, &ldny);
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bool to4 = totalorderl (&ldny, &ldnx);
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if (to1 && to2 && to3 && to4)
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printf ("PASS: test %zu\n", i);
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else
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{
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printf ("FAIL: test %zu\n", i);
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result = 1;
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}
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to1 = totalordermagl (&ldx, &ldy);
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to2 = totalordermagl (&ldy, &ldx);
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to3 = totalordermagl (&ldnx, &ldny);
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to4 = totalordermagl (&ldny, &ldnx);
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if (to1 && to2 && to3 && to4)
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printf ("PASS: test %zu (totalordermagl)\n", i);
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else
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{
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printf ("FAIL: test %zu (totalordermagl)\n", i);
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result = 1;
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}
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}
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return result;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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