92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
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/*=============================================================================
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This file is part of FLINT.
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FLINT 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 2 of the License, or
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(at your option) any later version.
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FLINT 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 FLINT; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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=============================================================================*/
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/******************************************************************************
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Copyright (C) 2009 William Hart
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******************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <gmp.h>
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#include "flint.h"
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#include "fmpz.h"
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#include "fmpz_vec.h"
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#include "ulong_extras.h"
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#include "long_extras.h"
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int
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main(void)
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{
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int i, result;
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FLINT_TEST_INIT(state);
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flint_printf("scalar_addmul_si_2exp....");
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fflush(stdout);
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/* Compare with alternative method of computation */
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for (i = 0; i < 1000 * flint_test_multiplier(); i++)
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{
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fmpz *a, *b, *c, *d;
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slong len, x;
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mp_bitcnt_t exp;
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len = n_randint(state, 100);
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a = _fmpz_vec_init(len);
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b = _fmpz_vec_init(len);
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c = _fmpz_vec_init(len);
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d = _fmpz_vec_init(len);
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_fmpz_vec_randtest(a, state, len, 200);
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_fmpz_vec_randtest(b, state, len, 200);
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_fmpz_vec_set(c, b, len);
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x = z_randtest(state);
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exp = n_randint(state, 200);
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_fmpz_vec_scalar_addmul_si_2exp(b, a, len, x, exp);
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_fmpz_vec_scalar_mul_2exp(d, a, len, exp);
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_fmpz_vec_scalar_addmul_si(c, d, len, x);
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result = (_fmpz_vec_equal(b, c, len));
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if (!result)
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{
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flint_printf("FAIL:\n");
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flint_printf("x = %wd, exp = %wu\n", x, exp);
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_fmpz_vec_print(b, len), flint_printf("\n\n");
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_fmpz_vec_print(c, len), flint_printf("\n\n");
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abort();
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}
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_fmpz_vec_clear(a, len);
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_fmpz_vec_clear(b, len);
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_fmpz_vec_clear(c, len);
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_fmpz_vec_clear(d, len);
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}
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FLINT_TEST_CLEANUP(state);
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flint_printf("PASS\n");
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return 0;
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}
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