mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/*=============================================================================
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This file is part of ARB.
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ARB 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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ARB 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 ARB; 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) 2014 Fredrik Johansson
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******************************************************************************/
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#include "mag.h"
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int main()
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{
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long iter;
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flint_rand_t state;
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printf("fast_mul_2exp_si....");
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fflush(stdout);
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flint_randinit(state);
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for (iter = 0; iter < 100000; iter++)
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{
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fmpr_t x, y, z;
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mag_t xb, yb;
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long e;
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fmpr_init(x);
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fmpr_init(y);
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fmpr_init(z);
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mag_init(xb);
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mag_init(yb);
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mag_randtest(xb, state, 15);
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e = n_randint(state, 10000) - n_randint(state, 10000);
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mag_get_fmpr(x, xb);
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mag_fast_mul_2exp_si(yb, xb, e);
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fmpr_mul_2exp_si(y, x, e);
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mag_get_fmpr(z, yb);
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MAG_CHECK_BITS(yb)
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if (!fmpr_equal(z, y))
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{
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printf("FAIL\n\n");
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printf("x = "); fmpr_printd(x, 15); printf("\n\n");
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printf("y = "); fmpr_printd(y, 15); printf("\n\n");
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printf("z = "); fmpr_printd(z, 15); printf("\n\n");
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abort();
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}
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fmpr_clear(x);
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fmpr_clear(y);
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fmpr_clear(z);
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mag_clear(xb);
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mag_clear(yb);
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}
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flint_randclear(state);
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flint_cleanup();
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printf("PASS\n");
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return EXIT_SUCCESS;
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}
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