165 lines
4.2 KiB
C
165 lines
4.2 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) 2013 Mike Hansen
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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 <float.h>
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#include "flint.h"
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#include "fmpz.h"
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#include "ulong_extras.h"
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#include "profiler.h"
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#include "fq_poly.h"
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#include "fq_nmod_poly.h"
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#define nalgs 2
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#define ncases 1
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#define cpumin 2
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int
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main(int argc, char** argv)
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{
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slong s[nalgs];
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int c, n, len, ext, reps = 0;
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slong j;
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fmpz_t p, temp;
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fq_poly_t f, g;
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fq_nmod_poly_t fn;
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fq_ctx_t ctx;
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fq_nmod_ctx_t ctxn;
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fmpz_poly_t fpoly;
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nmod_poly_t nmod;
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FLINT_TEST_INIT(state);
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fmpz_init(p);
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fmpz_set_str(p, argv[1], 10);
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fmpz_init(temp);
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fmpz_set_str(temp, argv[2], 10);
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ext = fmpz_get_si(temp);
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fmpz_set_str(temp, argv[3], 10);
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len = fmpz_get_si(temp);
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fq_ctx_init(ctx, p, ext, "a");
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fmpz_poly_init(fpoly);
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nmod_poly_init(nmod, fmpz_get_ui(p));
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fmpz_mod_poly_get_fmpz_poly(fpoly, ctx->modulus);
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fmpz_poly_get_nmod_poly(nmod, fpoly);
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fq_nmod_ctx_init_modulus(ctxn, p, ext, nmod, "a");
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fq_poly_init(f, ctx);
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fq_poly_init(g, ctx);
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fq_nmod_poly_init(fn, ctxn);
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for (c = 0; c < nalgs; c++)
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{
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s[c] = WORD(0);
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}
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for (n = 0; n < ncases; n++)
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{
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timeit_t t[nalgs];
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int l, loops = 1;
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fq_poly_factor_t res;
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fq_nmod_poly_factor_t resn;
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/*
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Construct random elements of fq
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*/
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{
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fq_poly_randtest_irreducible(f, state, len + 1, ctx);
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fq_poly_randtest_irreducible(g, state, len + 2, ctx);
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fq_poly_mul(f, f, g, ctx);
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fq_poly_make_monic(f, f, ctx);
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fq_nmod_poly_fit_length(fn, f->length, ctxn);
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for (j = 0; j < f->length; j++)
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{
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fmpz_poly_get_nmod_poly(fn->coeffs + j, f->coeffs + j);
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}
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_fq_nmod_poly_set_length(fn, f->length, ctxn);
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}
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loop:
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fflush(stdout);
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timeit_start(t[0]);
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for (l = 0; l < loops; l++)
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{
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fq_poly_factor_init(res, ctx);
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fq_poly_factor_kaltofen_shoup(res, f, ctx);
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fq_poly_factor_clear(res, ctx);
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}
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timeit_stop(t[0]);
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timeit_start(t[1]);
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for (l = 0; l < loops; l++)
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{
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fq_nmod_poly_factor_init(resn, ctxn);
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fq_nmod_poly_factor_kaltofen_shoup(resn, fn, ctxn);
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fq_nmod_poly_factor_clear(resn, ctxn);
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}
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timeit_stop(t[1]);
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for (c = 0; c < nalgs; c++)
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if (t[c]->cpu <= cpumin)
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{
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loops += 2;
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goto loop;
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}
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for (c = 0; c < nalgs; c++)
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s[c] += t[c]->cpu;
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reps += loops;
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}
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for (c = 0; c < nalgs; c++)
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{
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flint_printf("%20f ", s[c] / (double) reps);
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fflush(stdout);
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}
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printf("\n");
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fq_poly_clear(f, ctx);
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fq_poly_clear(g, ctx);
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fq_nmod_poly_clear(fn, ctxn);
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nmod_poly_clear(nmod);
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fq_ctx_clear(ctx);
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fq_nmod_ctx_clear(ctxn);
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fmpz_clear(p);
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fmpz_clear(temp);
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FLINT_TEST_CLEANUP(state);
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return 0;
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}
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