52 lines
1.7 KiB
C
52 lines
1.7 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) 2013 Mike Hansen
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******************************************************************************/
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#include "fq_zech.h"
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#include "fq_nmod.h"
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#include "ulong_extras.h"
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#include "long_extras.h"
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#include <math.h>
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void
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fq_zech_ctx_randtest(fq_zech_ctx_t ctx, flint_rand_t state)
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{
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fmpz_t p;
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slong max_d, d;
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fq_nmod_ctx_struct * fq_nmod_ctx;
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fq_nmod_ctx = flint_malloc(sizeof(fq_nmod_ctx_struct));
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fmpz_init(p);
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fmpz_set_ui(p, n_randprime(state, 2 + n_randint(state, 4), 1));
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max_d = floor(log(n_pow(2, 16)) / log(fmpz_get_ui(p)));
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d = n_randint(state, max_d - 1) + 2;
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fq_nmod_ctx_init(fq_nmod_ctx, p, d, "a");
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fq_zech_ctx_init_fq_nmod_ctx(ctx, fq_nmod_ctx);
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fmpz_clear(p);
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ctx->owns_fq_nmod_ctx = 1;
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}
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