Exemple #1
0
int main()
{
    slong iter;
    flint_rand_t state;

    flint_printf("add_series....");
    fflush(stdout);

    flint_randinit(state);

    for (iter = 0; iter < 1000 * arb_test_multiplier(); iter++)
    {
        arb_poly_t a, b, c, d;
        slong len, prec;

        arb_poly_init(a);
        arb_poly_init(b);
        arb_poly_init(c);
        arb_poly_init(d);

        arb_poly_randtest(a, state, 1 + n_randint(state, 10), 100, 10);
        arb_poly_randtest(b, state, 1 + n_randint(state, 10), 100, 10);
        arb_poly_randtest(c, state, 1 + n_randint(state, 10), 100, 10);
        arb_poly_randtest(d, state, 1 + n_randint(state, 10), 100, 10);
        prec = 2 + n_randint(state, 100);
        len = n_randint(state, 10);

        arb_poly_add_series(c, a, b, len, prec);
        arb_poly_add(d, a, b, prec);
        arb_poly_truncate(d, len);

        if (!arb_poly_equal(c, d))
        {
            flint_printf("FAIL\n\n");
            flint_printf("a = "); arb_poly_printd(a, 15); flint_printf("\n\n");
            flint_printf("b = "); arb_poly_printd(b, 15); flint_printf("\n\n");
            flint_printf("c = "); arb_poly_printd(c, 15); flint_printf("\n\n");
            flint_printf("c = "); arb_poly_printd(c, 15); flint_printf("\n\n");
            abort();
        }

        arb_poly_set(d, a);
        arb_poly_add_series(d, d, b, len, prec);
        if (!arb_poly_equal(d, c))
        {
            flint_printf("FAIL (aliasing 1)\n\n");
            abort();
        }

        arb_poly_set(d, b);
        arb_poly_add_series(d, a, d, len, prec);
        if (!arb_poly_equal(d, c))
        {
            flint_printf("FAIL (aliasing 2)\n\n");
            abort();
        }

        arb_poly_clear(a);
        arb_poly_clear(b);
        arb_poly_clear(c);
        arb_poly_clear(d);
    }

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}
Exemple #2
0
int main()
{
    long iter;
    flint_rand_t state;

    printf("zeta_series....");
    fflush(stdout);

    flint_randinit(state);

    for (iter = 0; iter < 500; iter++)
    {
        long m, n1, n2, bits1, bits2, bits3;
        int deflate;
        arb_poly_t S, A, B, C, D, E, F;
        arb_t a, a1;

        bits1 = 2 + n_randint(state, 300);
        bits2 = 2 + n_randint(state, 300);
        bits3 = 2 + n_randint(state, 300);

        m = 1 + n_randint(state, 30);
        n1 = 1 + n_randint(state, 30);
        n2 = 1 + n_randint(state, 30);

        arb_poly_init(S);
        arb_poly_init(A);
        arb_poly_init(B);
        arb_poly_init(C);
        arb_poly_init(D);
        arb_poly_init(E);
        arb_poly_init(F);
        arb_init(a);
        arb_init(a1);

        deflate = n_randint(state, 2);

        arb_poly_randtest(S, state, m, bits1, 3);
        arb_randtest_precise(a, state, bits1, 3);
        arb_poly_set_coeff_arb(S, 0, a);

        if (n_randint(state, 2))
            arb_randtest(a, state, bits1, 3);
        else
            arb_one(a);

        arb_poly_zeta_series(A, S, a, deflate, n1, bits2);
        arb_poly_zeta_series(B, S, a, deflate, n2, bits3);

        arb_poly_set(C, A);
        arb_poly_truncate(C, FLINT_MIN(n1, n2));
        arb_poly_truncate(B, FLINT_MIN(n1, n2));

        if (!arb_poly_overlaps(B, C))
        {
            printf("FAIL\n\n");
            printf("S = "); arb_poly_printd(S, 15); printf("\n\n");
            printf("a = "); arb_printd(a, 15); printf("\n\n");
            printf("A = "); arb_poly_printd(A, 15); printf("\n\n");
            printf("B = "); arb_poly_printd(B, 15); printf("\n\n");
            abort();
        }

        /* check zeta(s,a) = zeta(s,a+1) + a^(-s) */
        arb_poly_set_arb(D, a);
        arb_poly_log_series(D, D, n1, bits2);
        arb_poly_mullow(D, D, S, n1, bits2);
        arb_poly_neg(D, D);
        arb_poly_exp_series(D, D, n1, bits2);

        arb_add_ui(a1, a, 1, bits2);
        arb_poly_zeta_series(E, S, a1, deflate, n1, bits2);
        arb_poly_add(E, E, D, bits2);

        if (!arb_poly_overlaps(A, E))
        {
            printf("FAIL (functional equation)\n\n");
            printf("S = "); arb_poly_printd(S, 15); printf("\n\n");
            printf("a = "); arb_printd(a, 15); printf("\n\n");
            printf("A = "); arb_poly_printd(A, 15); printf("\n\n");
            printf("E = "); arb_poly_printd(A, 15); printf("\n\n");
            abort();
        }

        arb_poly_zeta_series(S, S, a, deflate, n1, bits2);
        if (!arb_poly_overlaps(A, S))
        {
            printf("FAIL (aliasing)\n\n");
            abort();
        }

        arb_poly_clear(S);
        arb_poly_clear(A);
        arb_poly_clear(B);
        arb_poly_clear(C);
        arb_poly_clear(D);
        arb_poly_clear(E);
        arb_poly_clear(F);
        arb_clear(a);
        arb_clear(a1);
    }

    flint_randclear(state);
    flint_cleanup();
    printf("PASS\n");
    return EXIT_SUCCESS;
}
Exemple #3
0
int main()
{
    slong iter;
    flint_rand_t state;

    flint_printf("sin_cos_pi_series....");
    fflush(stdout);

    flint_randinit(state);

    for (iter = 0; iter < 1000 * arb_test_multiplier(); iter++)
    {
        slong m, n, qbits, rbits1, rbits2;
        fmpq_poly_t A, B;
        arb_poly_t a, b, c, d, e;

        qbits = 2 + n_randint(state, 200);
        rbits1 = 2 + n_randint(state, 200);
        rbits2 = 2 + n_randint(state, 200);

        m = 1 + n_randint(state, 30);
        n = 1 + n_randint(state, 30);

        fmpq_poly_init(A);
        fmpq_poly_init(B);
        arb_poly_init(a);
        arb_poly_init(b);
        arb_poly_init(c);
        arb_poly_init(d);
        arb_poly_init(e);

        fmpq_poly_randtest(A, state, m, qbits);
        arb_poly_set_fmpq_poly(a, A, rbits1);

        arb_poly_sin_cos_pi_series(b, c, a, n, rbits2);

        /* Check sin(x)^2 + cos(x)^2 = 1 */
        arb_poly_mullow(d, b, b, n, rbits2);
        arb_poly_mullow(e, c, c, n, rbits2);
        arb_poly_add(d, d, e, rbits2);

        fmpq_poly_one(B);
        if (!arb_poly_contains_fmpq_poly(d, B))
        {
            flint_printf("FAIL\n\n");
            flint_printf("bits2 = %wd\n", rbits2);

            flint_printf("A = "); fmpq_poly_print(A); flint_printf("\n\n");
            flint_printf("a = "); arb_poly_printd(a, 15); flint_printf("\n\n");
            flint_printf("b = "); arb_poly_printd(b, 15); flint_printf("\n\n");
            flint_printf("c = "); arb_poly_printd(c, 15); flint_printf("\n\n");
            flint_printf("d = "); arb_poly_printd(d, 15); flint_printf("\n\n");

            abort();
        }

        arb_poly_set(d, a);
        arb_poly_sin_cos_pi_series(d, c, d, n, rbits2);
        if (!arb_poly_equal(b, d))
        {
            flint_printf("FAIL (aliasing 1)\n\n");
            abort();
        }

        arb_poly_set(d, a);
        arb_poly_sin_cos_pi_series(b, d, d, n, rbits2);
        if (!arb_poly_equal(c, d))
        {
            flint_printf("FAIL (aliasing 2)\n\n");
            abort();
        }

        fmpq_poly_clear(A);
        fmpq_poly_clear(B);
        arb_poly_clear(a);
        arb_poly_clear(b);
        arb_poly_clear(c);
        arb_poly_clear(d);
        arb_poly_clear(e);
    }

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}
Exemple #4
0
int main()
{
    slong iter;
    flint_rand_t state;

    flint_printf("digamma_series....");
    fflush(stdout);

    flint_randinit(state);

    for (iter = 0; iter < 1000; iter++)
    {
        slong m, n1, n2, rbits1, rbits2, rbits3;
        arb_poly_t a, b, c, d;

        rbits1 = 2 + n_randint(state, 300);
        rbits2 = 2 + n_randint(state, 300);
        rbits3 = 2 + n_randint(state, 300);

        m = n_randint(state, 25);
        n1 = n_randint(state, 25);
        n2 = n_randint(state, 25);

        arb_poly_init(a);
        arb_poly_init(b);
        arb_poly_init(c);
        arb_poly_init(d);

        arb_poly_randtest(a, state, m, rbits1, 10);

        arb_poly_digamma_series(b, a, n1, rbits2);
        arb_poly_digamma_series(c, a, n2, rbits3);

        arb_poly_set(d, b);
        arb_poly_truncate(d, FLINT_MIN(n1, n2));
        arb_poly_truncate(c, FLINT_MIN(n1, n2));

        if (!arb_poly_overlaps(c, d))
        {
            flint_printf("FAIL\n\n");
            flint_printf("n1 = %wd, n2 = %wd, bits2 = %wd, bits3 = %wd\n", n1, n2, rbits2, rbits3);

            flint_printf("a = "); arb_poly_printd(a, 50); flint_printf("\n\n");
            flint_printf("b = "); arb_poly_printd(b, 50); flint_printf("\n\n");
            flint_printf("c = "); arb_poly_printd(c, 50); flint_printf("\n\n");

            abort();
        }

        /* check psi(a) + 1/a = psi(a+1) */
        arb_poly_inv_series(c, a, n1, rbits2);
        arb_poly_add(c, b, c, rbits2);

        arb_poly_add_si(d, a, 1, rbits2);
        arb_poly_digamma_series(d, d, n1, rbits2);

        if (!arb_poly_overlaps(c, d))
        {
            flint_printf("FAIL (functional equation)\n\n");

            flint_printf("a = "); arb_poly_printd(a, 15); flint_printf("\n\n");
            flint_printf("b = "); arb_poly_printd(b, 15); flint_printf("\n\n");
            flint_printf("c = "); arb_poly_printd(c, 15); flint_printf("\n\n");
            flint_printf("d = "); arb_poly_printd(d, 15); flint_printf("\n\n");

            abort();
        }

        arb_poly_digamma_series(a, a, n1, rbits2);
        if (!arb_poly_overlaps(a, b))
        {
            flint_printf("FAIL (aliasing)\n\n");
            abort();
        }

        arb_poly_clear(a);
        arb_poly_clear(b);
        arb_poly_clear(c);
        arb_poly_clear(d);
    }

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}
Exemple #5
0
int main()
{
    slong iter;
    flint_rand_t state;

    flint_printf("atan_series....");
    fflush(stdout);

    flint_randinit(state);

    for (iter = 0; iter < 10000; iter++)
    {
        slong m, n, qbits, rbits1, rbits2;
        fmpq_poly_t A;
        arb_poly_t a, b, c, d;

        qbits = 2 + n_randint(state, 200);
        rbits1 = 2 + n_randint(state, 200);
        rbits2 = 2 + n_randint(state, 200);

        m = 1 + n_randint(state, 30);
        n = 1 + n_randint(state, 30);

        fmpq_poly_init(A);
        arb_poly_init(a);
        arb_poly_init(b);
        arb_poly_init(c);
        arb_poly_init(d);

        fmpq_poly_randtest(A, state, m, qbits);
        arb_poly_set_fmpq_poly(a, A, rbits1);

        arb_poly_randtest(b, state, 1 + n_randint(state, 30), rbits1, 5);

        arb_poly_atan_series(b, a, n, rbits2);

        /* Check 2 atan(x) = atan(2x/(1-x^2)) + C */
        arb_poly_mullow(c, a, a, n, rbits2);
        arb_poly_one(d);
        arb_poly_sub(c, d, c, rbits2);
        arb_poly_add(d, a, a, rbits2);

        if (arb_poly_length(c) != 0)
        {
            arb_poly_div_series(c, d, c, n, rbits2);
            arb_poly_atan_series(c, c, n, rbits2);
            arb_poly_add(d, b, b, rbits2);

            /* TODO: also check the first coefficient */
            arb_poly_set_coeff_si(c, 0, 0);
            arb_poly_set_coeff_si(d, 0, 0);

            if (!arb_poly_overlaps(c, d))
            {
                flint_printf("FAIL\n\n");
                flint_printf("bits2 = %wd\n", rbits2);

                flint_printf("A = "); fmpq_poly_print(A); flint_printf("\n\n");
                flint_printf("a = "); arb_poly_printd(a, 15); flint_printf("\n\n");
                flint_printf("b = "); arb_poly_printd(b, 15); flint_printf("\n\n");
                flint_printf("c = "); arb_poly_printd(c, 15); flint_printf("\n\n");
                flint_printf("d = "); arb_poly_printd(d, 15); flint_printf("\n\n");

                abort();
            }
        }

        arb_poly_atan_series(a, a, n, rbits2);
        if (!arb_poly_equal(a, b))
        {
            flint_printf("FAIL (aliasing)\n\n");
            abort();
        }

        fmpq_poly_clear(A);
        arb_poly_clear(a);
        arb_poly_clear(b);
        arb_poly_clear(c);
        arb_poly_clear(d);
    }

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}
Exemple #6
0
int main()
{
    slong iter;
    flint_rand_t state;

    flint_printf("mullow_block....");
    fflush(stdout);

    flint_randinit(state);

    /* compare with fmpq_poly */
    for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
    {
        slong qbits1, qbits2, rbits1, rbits2, rbits3, trunc;
        fmpq_poly_t A, B, C;
        arb_poly_t a, b, c, d;

        qbits1 = 2 + n_randint(state, 1000);
        qbits2 = 2 + n_randint(state, 1000);
        rbits1 = 2 + n_randint(state, 1000);
        rbits2 = 2 + n_randint(state, 1000);
        rbits3 = 2 + n_randint(state, 1000);
        trunc = n_randint(state, 100);

        fmpq_poly_init(A);
        fmpq_poly_init(B);
        fmpq_poly_init(C);

        arb_poly_init(a);
        arb_poly_init(b);
        arb_poly_init(c);
        arb_poly_init(d);

        fmpq_poly_randtest(A, state, 1 + n_randint(state, 100), qbits1);
        fmpq_poly_randtest(B, state, 1 + n_randint(state, 100), qbits2);
        fmpq_poly_mullow(C, A, B, trunc);

        arb_poly_set_fmpq_poly(a, A, rbits1);
        arb_poly_set_fmpq_poly(b, B, rbits2);
        arb_poly_mullow_block(c, a, b, trunc, rbits3);

        if (!arb_poly_contains_fmpq_poly(c, C))
        {
            flint_printf("FAIL\n\n");
            flint_printf("bits3 = %wd\n", rbits3);
            flint_printf("trunc = %wd\n", trunc);

            flint_printf("A = "); fmpq_poly_print(A); flint_printf("\n\n");
            flint_printf("B = "); fmpq_poly_print(B); flint_printf("\n\n");
            flint_printf("C = "); fmpq_poly_print(C); flint_printf("\n\n");

            flint_printf("a = "); arb_poly_printd(a, 15); flint_printf("\n\n");
            flint_printf("b = "); arb_poly_printd(b, 15); flint_printf("\n\n");
            flint_printf("c = "); arb_poly_printd(c, 15); flint_printf("\n\n");

            abort();
        }

        arb_poly_set(d, a);
        arb_poly_mullow_block(d, d, b, trunc, rbits3);
        if (!arb_poly_equal(d, c))
        {
            flint_printf("FAIL (aliasing 1)\n\n");
            abort();
        }

        arb_poly_set(d, b);
        arb_poly_mullow_block(d, a, d, trunc, rbits3);
        if (!arb_poly_equal(d, c))
        {
            flint_printf("FAIL (aliasing 2)\n\n");
            abort();
        }

        /* test squaring */
        arb_poly_set(b, a);
        arb_poly_mullow_block(c, a, b, trunc, rbits3);
        arb_poly_mullow_block(d, a, a, trunc, rbits3);
        if (!arb_poly_overlaps(c, d))  /* not guaranteed to be identical */
        {
            flint_printf("FAIL (squaring)\n\n");

            flint_printf("a = "); arb_poly_printd(a, 15); flint_printf("\n\n");
            flint_printf("b = "); arb_poly_printd(b, 15); flint_printf("\n\n");
            flint_printf("c = "); arb_poly_printd(c, 15); flint_printf("\n\n");

            abort();
        }

        arb_poly_mullow_block(a, a, a, trunc, rbits3);
        if (!arb_poly_equal(d, a))
        {
            flint_printf("FAIL (aliasing, squaring)\n\n");

            flint_printf("a = "); arb_poly_printd(a, 15); flint_printf("\n\n");
            flint_printf("b = "); arb_poly_printd(b, 15); flint_printf("\n\n");
            flint_printf("d = "); arb_poly_printd(d, 15); flint_printf("\n\n");

            abort();
        }

        fmpq_poly_clear(A);
        fmpq_poly_clear(B);
        fmpq_poly_clear(C);

        arb_poly_clear(a);
        arb_poly_clear(b);
        arb_poly_clear(c);
        arb_poly_clear(d);
    }

    for (iter = 0; iter < 3000 * arb_test_multiplier(); iter++)
    {
        slong rbits1, rbits2, rbits3, trunc;
        arb_poly_t a, b, c, ab, ac, bc, abc, abc2;

        rbits1 = 2 + n_randint(state, 300);
        rbits2 = 2 + n_randint(state, 300);
        rbits3 = 2 + n_randint(state, 300);
        trunc = n_randint(state, 100);

        arb_poly_init(a);
        arb_poly_init(b);
        arb_poly_init(c);
        arb_poly_init(ab);
        arb_poly_init(ac);
        arb_poly_init(bc);
        arb_poly_init(abc);
        arb_poly_init(abc2);

        arb_poly_randtest(a, state, 1 + n_randint(state, 100), rbits1, 1 + n_randint(state, 100));
        arb_poly_randtest(b, state, 1 + n_randint(state, 100), rbits2, 1 + n_randint(state, 100));
        arb_poly_randtest(c, state, 1 + n_randint(state, 100), rbits2, 1 + n_randint(state, 100));

        /* check a*(b+c) = a*b + a*c */
        arb_poly_mullow_block(ab, a, b, trunc, rbits3);
        arb_poly_mullow_block(ac, a, c, trunc, rbits3);
        arb_poly_add(abc, ab, ac, rbits3);

        arb_poly_add(bc, b, c, rbits3);
        arb_poly_mullow_block(abc2, a, bc, trunc, rbits3);

        if (!arb_poly_overlaps(abc, abc2))
        {
            flint_printf("FAIL (a*(b+c) = a*b + a*c) \n\n");
            flint_printf("bits3 = %wd\n", rbits3);
            flint_printf("trunc = %wd\n", trunc);

            flint_printf("a = "); arb_poly_printd(a, 15); flint_printf("\n\n");
            flint_printf("b = "); arb_poly_printd(b, 15); flint_printf("\n\n");
            flint_printf("c = "); arb_poly_printd(c, 15); flint_printf("\n\n");

            abort();
        }

        /* check (b+c)^2 = b^2 + 2bc + c^2 */
        arb_poly_mullow_block(a, b, c, trunc, rbits3);
        arb_poly_scalar_mul_2exp_si(a, a, 1);
        arb_poly_mullow_block(abc, b, b, trunc, rbits3);
        arb_poly_mullow_block(abc2, c, c, trunc, rbits3);
        arb_poly_add(abc, abc, a, rbits3);
        arb_poly_add(abc, abc, abc2, rbits3);

        arb_poly_mullow_block(abc2, bc, bc, trunc, rbits3);

        if (!arb_poly_overlaps(abc, abc2))
        {
            flint_printf("FAIL ((b+c)^2 = b^2 + 2bc + c^2) \n\n");
            flint_printf("bits3 = %wd\n", rbits3);
            flint_printf("trunc = %wd\n", trunc);

            flint_printf("b = "); arb_poly_printd(b, 15); flint_printf("\n\n");
            flint_printf("c = "); arb_poly_printd(c, 15); flint_printf("\n\n");

            flint_printf("abc  = "); arb_poly_printd(abc, 15); flint_printf("\n\n");
            flint_printf("abc2 = "); arb_poly_printd(abc2, 15); flint_printf("\n\n");

            abort();
        }

        arb_poly_clear(a);
        arb_poly_clear(b);
        arb_poly_clear(c);
        arb_poly_clear(ab);
        arb_poly_clear(ac);
        arb_poly_clear(bc);
        arb_poly_clear(abc);
        arb_poly_clear(abc2);
    }

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}
Exemple #7
0
int main()
{
    slong iter;
    flint_rand_t state;

    flint_printf("add....");
    fflush(stdout);

    flint_randinit(state);

    for (iter = 0; iter < 100000; iter++)
    {
        slong qbits1, qbits2, rbits1, rbits2, rbits3;
        fmpq_poly_t A, B, C;
        arb_poly_t a, b, c;

        qbits1 = 2 + n_randint(state, 200);
        qbits2 = 2 + n_randint(state, 200);
        rbits1 = 2 + n_randint(state, 200);
        rbits2 = 2 + n_randint(state, 200);
        rbits3 = 2 + n_randint(state, 200);

        fmpq_poly_init(A);
        fmpq_poly_init(B);
        fmpq_poly_init(C);

        arb_poly_init(a);
        arb_poly_init(b);
        arb_poly_init(c);

        fmpq_poly_randtest(A, state, 1 + n_randint(state, 10), qbits1);
        fmpq_poly_randtest(B, state, 1 + n_randint(state, 10), qbits2);
        fmpq_poly_add(C, A, B);

        arb_poly_set_fmpq_poly(a, A, rbits1);
        arb_poly_set_fmpq_poly(b, B, rbits2);
        arb_poly_add(c, a, b, rbits3);

        if (!arb_poly_contains_fmpq_poly(c, C))
        {
            flint_printf("FAIL\n\n");
            flint_printf("bits3 = %wd\n", rbits3);

            flint_printf("A = "); fmpq_poly_print(A); flint_printf("\n\n");
            flint_printf("B = "); fmpq_poly_print(B); flint_printf("\n\n");
            flint_printf("C = "); fmpq_poly_print(C); flint_printf("\n\n");

            flint_printf("a = "); arb_poly_printd(a, 15); flint_printf("\n\n");
            flint_printf("b = "); arb_poly_printd(b, 15); flint_printf("\n\n");
            flint_printf("c = "); arb_poly_printd(c, 15); flint_printf("\n\n");

            abort();
        }

        fmpq_poly_clear(A);
        fmpq_poly_clear(B);
        fmpq_poly_clear(C);

        arb_poly_clear(a);
        arb_poly_clear(b);
        arb_poly_clear(c);
    }

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}