83 lines
2.2 KiB
C
83 lines
2.2 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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Copyright (C) 2010 Fredrik Johansson
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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 "ulong_extras.h"
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#include "fmpz.h"
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int
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main(void)
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{
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slong i, n;
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fmpz_t x, y, z, w;
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FLINT_TEST_INIT(state);
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flint_printf("fib_ui....");
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fflush(stdout);
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fmpz_init(x);
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fmpz_init(y);
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fmpz_init(z);
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fmpz_init(w);
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/* Twice to check demotion */
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for (n = 0; n < 2; n++)
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{
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for (i = 0; i < 200; i++)
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{
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fmpz_fib_ui(x, i);
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fmpz_fib_ui(y, i+1);
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fmpz_fib_ui(z, i+2);
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fmpz_add(w, x, y);
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if (!fmpz_equal(w, z))
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{
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flint_printf("FAIL: %wd\n", i);
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fmpz_print(x);
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flint_printf("\n");
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fmpz_print(y);
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flint_printf("\n");
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fmpz_print(z);
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flint_printf("\n");
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abort();
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}
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}
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}
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fmpz_clear(x);
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fmpz_clear(y);
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fmpz_clear(z);
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fmpz_clear(w);
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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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