71 lines
2.0 KiB
C
71 lines
2.0 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) 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 "mpn_extras.h"
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#include "ulong_extras.h"
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int main(void)
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{
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int zero, nonzero;
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mp_bitcnt_t check;
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mpz_t a;
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mpz_t b;
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FLINT_TEST_INIT(state);
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flint_printf("remove_2exp....");
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fflush(stdout);
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mpz_init(a);
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mpz_init(b);
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for (zero=0; zero<300; zero++)
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{
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for (nonzero=0; nonzero<300; nonzero++)
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{
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flint_mpz_set_ui(a, 1);
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mpz_setbit(a, nonzero);
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mpz_set(b, a);
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mpz_mul_2exp(a, a, zero);
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a->_mp_size = flint_mpn_remove_2exp(a->_mp_d, a->_mp_size, &check);
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if (check != zero || mpz_cmp(a,b))
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{
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gmp_printf("%d %d \n", zero, nonzero);
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abort();
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}
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}
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}
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mpz_clear(a);
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mpz_clear(b);
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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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