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54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
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#ident "$Id$"
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/*======
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This file is part of TokuDB
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Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
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TokuDBis is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2,
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as published by the Free Software Foundation.
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TokuDB 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with TokuDB. If not, see <http://www.gnu.org/licenses/>.
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======= */
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#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
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#include <stdio.h>
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#include <stdint.h>
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#include <inttypes.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <sys/types.h>
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#include <tokudb_math.h>
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using namespace tokudb;
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static void test(int length_bits) {
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int64_t max = (1ULL << (length_bits-1)) - 1;
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for (int64_t x = -max-1; x <= max; x++) {
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for (int64_t y = -max-1; y <= max; y++) {
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bool over;
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int64_t n = int_add(x, y, length_bits, &over);
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printf("%"PRId64" %"PRId64" %"PRId64" %u\n", x, y, n, over);
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}
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}
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}
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int main(int argc, char *argv[]) {
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if (argc > 1) {
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for (int i = 1; i < argc; i++) {
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test(atoi(argv[i]));
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}
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}
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return 0;
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}
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