120 lines
3.2 KiB
C
120 lines
3.2 KiB
C
/*=============================================================================
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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 <gmp.h>
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#include "flint.h"
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#include "fmpz.h"
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#include "fmpq.h"
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int
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main(void)
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{
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slong i;
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fmpq_t r, ans;
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FLINT_TEST_INIT(state);
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flint_printf("next_calkin_wilf....");
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fflush(stdout);
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fmpq_init(r);
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fmpq_init(ans);
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fmpq_set_si(r, 0, 1);
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fmpq_set_si(ans, 191, 1287);
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for (i = 0; i < 1000000; i++)
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fmpq_next_calkin_wilf(r, r);
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if (!fmpq_equal(r, ans))
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{
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flint_printf("FAIL: enum from 0\n");
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fmpq_print(r);
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flint_printf("\n");
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fmpq_print(ans);
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flint_printf("\n");
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abort();
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}
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fmpq_set_si(r, 0, 1);
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fmpq_set_si(ans, -191, 1096);
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for (i = 0; i < 1000000; i++)
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fmpq_next_signed_calkin_wilf(r, r);
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if (!fmpq_equal(r, ans))
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{
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flint_printf("FAIL: signed enum from 0\n");
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fmpq_print(r);
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flint_printf("\n");
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fmpq_print(ans);
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flint_printf("\n");
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abort();
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}
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fmpz_set_str(fmpq_numref(r), "18446744073709551615", 10);
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fmpz_set_str(fmpq_denref(r), "18446744073709551616", 10);
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fmpz_set_str(fmpq_numref(ans), "18538977794078099355206", 10);
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fmpz_set_str(fmpq_denref(ans), "22062305912156623710275", 10);
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for (i = 0; i < 1000000; i++)
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fmpq_next_calkin_wilf(r, r);
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if (!fmpq_equal(r, ans))
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{
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flint_printf("FAIL: enum from 2^64\n");
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fmpq_print(r);
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flint_printf("\n");
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fmpq_print(ans);
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flint_printf("\n");
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abort();
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}
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fmpz_set_str(fmpq_numref(r), "18446744073709551615", 10);
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fmpz_set_str(fmpq_denref(r), "18446744073709551616", 10);
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fmpz_set_str(fmpq_numref(ans), "15015649675999575000951", 10);
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fmpz_set_str(fmpq_denref(ans), "18538977794078099356211", 10);
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for (i = 0; i < 1000000; i++)
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fmpq_next_signed_calkin_wilf(r, r);
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if (!fmpq_equal(r, ans))
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{
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flint_printf("FAIL: signed enum from 2^64\n");
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fmpq_print(r);
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flint_printf("\n");
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fmpq_print(ans);
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flint_printf("\n");
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abort();
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}
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fmpq_clear(r);
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fmpq_clear(ans);
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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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