60 lines
1.9 KiB
C
60 lines
1.9 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 Sebastian Pancratz
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Copyright (C) 2012 Andres Goens
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Copyright (C) 2013 Mike Hansen
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******************************************************************************/
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#include "fq.h"
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void
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fq_ctx_randtest(fq_ctx_t ctx, flint_rand_t state)
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{
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fmpz_mod_poly_t modulus;
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fmpz_t p, x;
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slong d;
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fmpz_init(p);
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fmpz_set_ui(p, n_randprime(state, 2 + n_randint(state, 6), 1));
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d = n_randint(state, 10) + 1;
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fq_ctx_init_conway(ctx, p, d, "a");
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fmpz_clear(p);
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/* Test non-monic modulus */
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if (n_randint(state, 2))
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{
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fmpz_init_set(x, p);
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fmpz_sub_ui(x, x, 1);
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fmpz_mod_poly_init(modulus, p);
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fmpz_mod_poly_set(modulus, ctx->modulus);
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fmpz_randm(x, state, x);
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fmpz_add_ui(x, x, 1);
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fmpz_mod_poly_scalar_mul_fmpz(modulus, modulus, x);
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fq_ctx_clear(ctx);
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fq_ctx_init_modulus(ctx, modulus, "a");
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fmpz_mod_poly_clear(modulus);
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fmpz_clear(x);
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}
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}
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