98 lines
2.5 KiB
C
98 lines
2.5 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) 2011 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 <math.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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int i, result;
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FLINT_TEST_INIT(state);
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flint_printf("get_d....");
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fflush(stdout);
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for (i = 0; i < 1000 * flint_test_multiplier(); i++)
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{
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fmpz_t x, y;
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mpz_t z;
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double a, b;
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fmpz_init(x);
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fmpz_init(y);
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mpz_init(z);
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fmpz_randtest(x, state, 200);
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fmpz_get_mpz(z, x);
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a = fmpz_get_d(x);
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b = mpz_get_d(z);
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result = (a == b);
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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 = "), fmpz_print(x), flint_printf("\n");
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flint_printf("a = %f\n", a);
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flint_printf("b = %f\n", b);
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abort();
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}
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a = a * (n_randtest(state) / (double) n_randtest_not_zero(state));
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fmpz_set_d(x, a);
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mpz_set_d(z, a);
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fmpz_set_mpz(y, z);
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result = fmpz_equal(x, y);
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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 = "), fmpz_print(x), flint_printf("\n");
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flint_printf("y = "), fmpz_print(y), flint_printf("\n");
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flint_printf("a = %f\n", a);
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abort();
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}
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fmpz_clear(x);
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fmpz_clear(y);
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mpz_clear(z);
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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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