50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/* Test of next_prime() function.
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Copyright (C) 2025-2026 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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 this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2025. */
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#include <config.h>
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/* Specification. */
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#include "next-prime.h"
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#include "macros.h"
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int
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main ()
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{
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ASSERT (next_prime (1) >= 1 && next_prime (1) <= 11);
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ASSERT (next_prime (3) >= 3 && next_prime (3) <= 11);
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ASSERT (next_prime (5) >= 5 && next_prime (5) <= 11);
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ASSERT (next_prime (7) >= 7 && next_prime (7) <= 11);
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ASSERT (next_prime (10) == 11);
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ASSERT (next_prime (11) == 11);
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ASSERT (next_prime (12) == 13);
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ASSERT (next_prime (640) == 641);
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ASSERT (next_prime (8647) == 8647);
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ASSERT (next_prime (9551) == 9551);
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ASSERT (next_prime (9552) == 9587);
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ASSERT (next_prime (43331) == 43331);
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ASSERT (next_prime (43332) == 43391);
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ASSERT (next_prime (1000000) == 1000003);
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return test_exit_status;
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}
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