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/* Test stdc_bit_width functions and macros.
Copyright (C) 2024 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 <tst-stdbit.h>
static const struct stdbit_test inputs[] =
{
{ 0ULL, 0, 0, 0, 0 },
{ 0x1ULL, 1, 1, 1, 1 },
{ 0x2ULL, 2, 2, 2, 2 },
{ 0x3ULL, 2, 2, 2, 2 },
{ 0x4ULL, 3, 3, 3, 3 },
{ 0x5ULL, 3, 3, 3, 3 },
{ 0x6ULL, 3, 3, 3, 3 },
{ 0x7ULL, 3, 3, 3, 3 },
{ 0x8ULL, 4, 4, 4, 4 },
{ 0x9ULL, 4, 4, 4, 4 },
{ 0xaULL, 4, 4, 4, 4 },
{ 0xbULL, 4, 4, 4, 4 },
{ 0xcULL, 4, 4, 4, 4 },
{ 0xdULL, 4, 4, 4, 4 },
{ 0xeULL, 4, 4, 4, 4 },
{ 0xfULL, 4, 4, 4, 4 },
{ 0x10ULL, 5, 5, 5, 5 },
{ 0x11ULL, 5, 5, 5, 5 },
{ 0x12ULL, 5, 5, 5, 5 },
{ 0x1fULL, 5, 5, 5, 5 },
{ 0x20ULL, 6, 6, 6, 6 },
{ 0x7fULL, 7, 7, 7, 7 },
{ 0x80ULL, 8, 8, 8, 8 },
{ 0x81ULL, 8, 8, 8, 8 },
{ 0x9aULL, 8, 8, 8, 8 },
{ 0xf3ULL, 8, 8, 8, 8 },
{ 0xffULL, 8, 8, 8, 8 },
{ 0x100ULL, 0, 9, 9, 9 },
{ 0x101ULL, 1, 9, 9, 9 },
{ 0x102ULL, 2, 9, 9, 9 },
{ 0x1feULL, 8, 9, 9, 9 },
{ 0x1ffULL, 8, 9, 9, 9 },
{ 0x200ULL, 0, 10, 10, 10 },
{ 0x234ULL, 6, 10, 10, 10 },
{ 0x4567ULL, 7, 15, 15, 15 },
{ 0x7fffULL, 8, 15, 15, 15 },
{ 0x8000ULL, 0, 16, 16, 16 },
{ 0x8001ULL, 1, 16, 16, 16 },
{ 0xfffeULL, 8, 16, 16, 16 },
{ 0xffffULL, 8, 16, 16, 16 },
{ 0x10000ULL, 0, 0, 17, 17 },
{ 0x10001ULL, 1, 1, 17, 17 },
{ 0xfedcba98ULL, 8, 16, 32, 32 },
{ 0xfffffefeULL, 8, 16, 32, 32 },
{ 0xffffffffULL, 8, 16, 32, 32 },
{ 0x100000000ULL, 0, 0, 0, 33 },
{ 0x100000001ULL, 1, 1, 1, 33 },
{ 0x123456789ULL, 8, 15, 30, 33 },
{ 0x123456789abcdefULL, 8, 16, 32, 57 },
{ 0x789abcdef0123456ULL, 7, 14, 32, 63 },
{ 0x8000000000000000ULL, 0, 0, 0, 64 },
{ 0x8000000000000001ULL, 1, 1, 1, 64 },
{ 0xfffffffffffffffeULL, 8, 16, 32, 64 },
{ 0xffffffffffffffffULL, 8, 16, 32, 64 },
};
TEST_STDBIT_UI_TOPLEVEL (stdc_bit_width);
static int
do_test (void)
{
TEST_STDBIT_UI (stdc_bit_width, inputs);
return 0;
}
#include <support/test-driver.c>
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