89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
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/*=============================================================================
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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 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 "arith.h"
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#include "fmpz_vec.h"
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#define N 10
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static const fmpz known[N][N] = {
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{1, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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{1, 2, 0, 0, 2, 0, 0, 0, 0, 2},
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{1, 4, 4, 0, 4, 8, 0, 0, 4, 4},
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{1, 6, 12, 8, 6, 24, 24, 0, 12, 30},
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{1, 8, 24, 32, 24, 48, 96, 64, 24, 104},
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{1, 10, 40, 80, 90, 112, 240, 320, 200, 250},
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{1, 12, 60, 160, 252, 312, 544, 960, 1020, 876},
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{1, 14, 84, 280, 574, 840, 1288, 2368, 3444, 3542},
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{1, 16, 112, 448, 1136, 2016, 3136, 5504, 9328, 12112},
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{1, 18, 144, 672, 2034, 4320, 7392, 12672, 22608, 34802}
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};
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int main(void)
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{
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fmpz * r;
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fmpz_t t;
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slong i, j;
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FLINT_TEST_INIT(state);
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flint_printf("sum_of_squares....");
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fflush(stdout);
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r = _fmpz_vec_init(N);
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fmpz_init(t);
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for (i = 0; i < N; i++)
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{
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arith_sum_of_squares_vec(r, i, N);
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for (j = 0; j < N; j++)
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{
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fmpz_set_ui(t, j);
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arith_sum_of_squares(t, i, t);
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if (!fmpz_equal(t, r + j) || !fmpz_equal(t, known[i] + j))
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{
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flint_printf("FAIL:\n");
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flint_printf("i, j = %wd, %wd, r[j] = %wd, r(j) = %wd, "
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"expected: %wd\n",
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i, j, fmpz_get_si(r + j), fmpz_get_si(t), known[i][j]);
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abort();
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}
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}
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}
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_fmpz_vec_clear(r, N);
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fmpz_clear(t);
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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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