mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/*
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Copyright (C) 2014 Fredrik Johansson
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This file is part of Arb.
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Arb is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version. See <http://www.gnu.org/licenses/>.
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*/
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#include "fmpz_extras.h"
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int main()
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{
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slong iter;
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flint_rand_t state;
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flint_printf("lshift_mpn....");
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fflush(stdout);
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flint_randinit(state);
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for (iter = 0; iter < 100000 * arb_test_multiplier(); iter++)
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{
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fmpz_t a, b, c;
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ulong e;
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mp_limb_t atmp;
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mp_ptr aptr;
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mp_size_t an;
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int asgnbit;
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fmpz_init(a);
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fmpz_init(b);
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fmpz_init(c);
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fmpz_randtest_not_zero(a, state, 1 + n_randint(state, 2000));
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fmpz_randtest(b, state, 1 + n_randint(state, 2000));
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fmpz_randtest(c, state, 1 + n_randint(state, 2000));
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e = n_randint(state, 1000);
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FMPZ_GET_MPN_READONLY(asgnbit, an, aptr, atmp, *a)
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fmpz_lshift_mpn(b, aptr, an, asgnbit, e);
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fmpz_mul_2exp(c, a, e);
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if (!fmpz_equal(b, c))
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{
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flint_printf("FAIL\n");
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fmpz_print(a); flint_printf("\n\n");
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fmpz_print(b); flint_printf("\n\n");
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fmpz_print(c); flint_printf("\n\n");
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abort();
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}
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fmpz_clear(a);
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fmpz_clear(b);
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fmpz_clear(c);
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}
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flint_randclear(state);
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flint_cleanup();
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flint_printf("PASS\n");
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return EXIT_SUCCESS;
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}
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