Mercurial > gnulib
view tests/test-integer_length_ll.c @ 40163:b89f4c441767
Avoid build errors due to wrong references between modules.
* lib/uninorm/canonical-decomposition.c: Include
"uninorm/decomposition-table.h", not "decomposition-table.h".
* lib/uninorm/decomposition.c: Likewise.
* lib/uninorm/u8-normalize.c: Include "uninorm/decompose-internal.h",
not "decompose-internal.h".
* lib/uninorm/u16-normalize.c: Likewise.
* lib/uninorm/u32-normalize.c: Likewise.
* lib/uninorm/uninorm-filter.c: Likewise.
* lib/uninorm/nfkc.c: Likewise.
* lib/uninorm/nfkd.c: Likewise.
* lib/unicase/u8-casemap.c: Include "unicase/caseprop.h", not
"caseprop.h".
* lib/unicase/u8-ct-totitle.c: Likewise.
* lib/unicase/u8-prefix-context.c: Likewise.
* lib/unicase/u8-suffix-context.c: Likewise.
* lib/unicase/u16-casemap.c: Likewise.
* lib/unicase/u16-ct-totitle.c: Likewise.
* lib/unicase/u16-prefix-context.c: Likewise.
* lib/unicase/u16-suffix-context.c: Likewise.
* lib/unicase/u32-casemap.c: Likewise.
* lib/unicase/u32-ct-totitle.c: Likewise.
* lib/unicase/u32-prefix-context.c: Likewise.
* lib/unicase/u32-suffix-context.c: Likewise.
* lib/unicase/u8-tolower.c: Include "unicase/unicasemap.h", not
"unicasemap.h".
* lib/unicase/u8-toupper.c: Likewise.
* lib/unicase/u8-ct-tolower.c: Likewise.
* lib/unicase/u8-ct-toupper.c: Likewise.
* lib/unicase/u16-tolower.c: Likewise.
* lib/unicase/u16-toupper.c: Likewise.
* lib/unicase/u16-ct-tolower.c: Likewise.
* lib/unicase/u16-ct-toupper.c: Likewise.
* lib/unicase/u32-tolower.c: Likewise.
* lib/unicase/u32-toupper.c: Likewise.
* lib/unicase/u32-ct-tolower.c: Likewise.
* lib/unicase/u32-ct-toupper.c: Likewise.
* lib/unicase/u8-ct-casefold.c: Include "unicase/unicasemap.h", not
"unicasemap.h", and "unicase/casefold.h", not "casefold.h".
* lib/unicase/u16-ct-casefold.c: Likewise.
* lib/unicase/u32-ct-casefold.c: Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Mon, 28 Jan 2019 01:20:11 +0100 |
parents | b06060465f09 |
children |
line wrap: on
line source
/* Test of integer_length_ll(). Copyright (C) 2011-2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ #include <config.h> #include "integer_length.h" #include <limits.h> #include "macros.h" #define NBITS (sizeof (unsigned long long) * CHAR_BIT) static int naive (unsigned long long x) { int j; for (j = NBITS - 1; j >= 0; j--) if (x & (1ULL << j)) return j + 1; return 0; } int main (int argc, char *argv[]) { unsigned long x; int i; for (x = 0; x <= 256; x++) ASSERT (integer_length_ll (x) == naive (x)); for (i = 0; i < NBITS; i++) { ASSERT (integer_length_ll (1ULL << i) == naive (1ULL << i)); ASSERT (integer_length_ll (1ULL << i) == i + 1); ASSERT (integer_length_ll (-1ULL << i) == NBITS); } for (i = 0; i < NBITS - 1; i++) ASSERT (integer_length_ll (3ULL << i) == i + 2); for (i = 0; i < NBITS - 2; i++) ASSERT (integer_length_ll (-3ULL << i) == NBITS); for (i = 0; i < NBITS - 2; i++) { ASSERT (integer_length_ll (5ULL << i) == i + 3); ASSERT (integer_length_ll (7ULL << i) == i + 3); } for (i = 0; i < NBITS - 3; i++) { ASSERT (integer_length_ll (-5ULL << i) == NBITS); ASSERT (integer_length_ll (-7ULL << i) == NBITS); } return 0; }