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

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

    flint_randinit(state);

    for (iter = 0; iter < 2000 * arb_test_multiplier(); iter++)
    {
        slong prec1, prec2;
        arb_poly_t f, g;
        arb_t c, d, e;

        prec1 = 2 + n_randint(state, 500);
        prec2 = 2 + n_randint(state, 500);

        arb_poly_init(f);
        arb_poly_init(g);

        arb_init(c);
        arb_init(d);
        arb_init(e);

        arb_poly_randtest(f, state, 1 + n_randint(state, 40), 1 + n_randint(state, 500), 10);
        arb_poly_randtest(g, state, 1 + n_randint(state, 20), 1 + n_randint(state, 500), 10);

        if (n_randint(state, 2))
            arb_set_si(c, n_randint(state, 5) - 2);
        else
            arb_randtest(c, state, 1 + n_randint(state, 500), 1 + n_randint(state, 100));

        if (n_randint(state, 2))
            arb_set_si(d, n_randint(state, 5) - 2);
        else
            arb_randtest(d, state, 1 + n_randint(state, 500), 1 + n_randint(state, 100));

        arb_add(e, c, d, prec1);

        /* check f(x+c)(x+d) = f(x+c+d) */
        arb_poly_taylor_shift_convolution(g, f, e, prec2);
        arb_poly_taylor_shift_convolution(f, f, c, prec1);
        arb_poly_taylor_shift_convolution(f, f, d, prec1);

        if (!arb_poly_overlaps(f, g))
        {
            flint_printf("FAIL\n\n");

            flint_printf("c = ");
            arb_printd(c, 15);
            flint_printf("\n\n");
            flint_printf("d = ");
            arb_printd(d, 15);
            flint_printf("\n\n");

            flint_printf("f = ");
            arb_poly_printd(f, 15);
            flint_printf("\n\n");
            flint_printf("g = ");
            arb_poly_printd(g, 15);
            flint_printf("\n\n");

            abort();
        }

        arb_poly_clear(f);
        arb_poly_clear(g);

        arb_clear(c);
        arb_clear(d);
        arb_clear(e);
    }

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

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

    flint_randinit(state);

    for (iter = 0; iter < 1000; iter++)
    {
        slong m, n1, n2, bits1, bits2, bits3;
        arb_poly_t S, A, B, C;
        arb_t pi;

        bits1 = 2 + n_randint(state, 200);
        bits2 = 2 + n_randint(state, 200);
        bits3 = 2 + n_randint(state, 200);

        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_init(pi);

        arb_poly_randtest(S, state, m, bits1, 3);
        arb_poly_randtest(A, state, m, bits1, 3);
        arb_poly_randtest(B, state, m, bits1, 3);

        arb_poly_cos_pi_series(A, S, n1, bits2);

        arb_const_pi(pi, bits3);
        arb_poly_set_arb(B, pi);
        arb_poly_mul(B, S, B, bits3);
        arb_poly_cos_series(B, B, 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))
        {
            flint_printf("FAIL\n\n");
            flint_printf("S = "); arb_poly_printd(S, 15); 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");
            abort();
        }

        arb_poly_cos_pi_series(S, S, n1, bits2);

        if (!arb_poly_overlaps(A, S))
        {
            flint_printf("FAIL (aliasing)\n\n");
            abort();
        }

        arb_poly_clear(S);
        arb_poly_clear(A);
        arb_poly_clear(B);
        arb_poly_clear(C);
        arb_clear(pi);
    }

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

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

    flint_randinit(state);

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

        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);
        arb_poly_init(d);

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

        arb_poly_set_fmpq_poly(a, A, rbits1);
        arb_poly_set_fmpq_poly(b, B, rbits2);
        arb_poly_mul(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();
        }

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

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

        /* test squaring */
        arb_poly_set(b, a);
        arb_poly_mul(c, a, b, rbits3);
        arb_poly_mul(d, a, a, 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_mul(a, a, a, 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);
    }

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

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

    flint_randinit(state);

    /* check rf(f, a) * rf(f + a, b) = rf(f, a + b) */
    for (iter = 0; iter < 1000 * arb_test_multiplier(); iter++)
    {
        slong bits, trunc;
        ulong a, b;
        arb_poly_t f, g, h1, h2, h1h2, h3;

        bits = 2 + n_randint(state, 200);
        trunc = 1 + n_randint(state, 20);
        a = n_randint(state, 10);
        b = n_randint(state, 10);

        arb_poly_init(f);
        arb_poly_init(g);
        arb_poly_init(h1);
        arb_poly_init(h2);
        arb_poly_init(h1h2);
        arb_poly_init(h3);

        arb_poly_randtest(f, state, 1 + n_randint(state, 20), bits, 4);
        arb_poly_set(g, f);

        /* g = f + 1 */
        if (g->length == 0)
        {
            arb_poly_fit_length(g, 1);
            arb_set_ui(g->coeffs, a);
            _arb_poly_set_length(g, 1);
            _arb_poly_normalise(g);
        }
        else
        {
            arb_add_ui(g->coeffs, g->coeffs, a, bits);
            _arb_poly_normalise(g);
        }

        arb_poly_rising_ui_series(h1, f, a, trunc, bits);
        arb_poly_rising_ui_series(h2, g, b, trunc, bits);
        arb_poly_rising_ui_series(h3, f, a + b, trunc, bits);

        arb_poly_mullow(h1h2, h1, h2, trunc, bits);

        if (!arb_poly_overlaps(h1h2, h3))
        {
            flint_printf("FAIL\n\n");
            flint_printf("bits = %wd\n", bits);
            flint_printf("trunc = %wd\n", trunc);
            flint_printf("a = %wu\n", a);
            flint_printf("b = %wu\n", a);

            flint_printf("f = "); arb_poly_printd(f, 15); flint_printf("\n\n");
            flint_printf("g = "); arb_poly_printd(g, 15); flint_printf("\n\n");
            flint_printf("h1 = "); arb_poly_printd(h1, 15); flint_printf("\n\n");
            flint_printf("h2 = "); arb_poly_printd(h2, 15); flint_printf("\n\n");
            flint_printf("h1h2 = "); arb_poly_printd(h1h2, 15); flint_printf("\n\n");
            flint_printf("h3 = "); arb_poly_printd(h3, 15); flint_printf("\n\n");

            abort();
        }

        arb_poly_rising_ui_series(f, f, a, trunc, bits);

        if (!arb_poly_equal(f, h1))
        {
            flint_printf("FAIL (aliasing)\n\n");

            flint_printf("bits = %wd\n", bits);
            flint_printf("trunc = %wd\n", trunc);
            flint_printf("a = %wu\n", a);
            flint_printf("b = %wu\n", a);

            flint_printf("f = "); arb_poly_printd(f, 15); flint_printf("\n\n");
            flint_printf("h1 = "); arb_poly_printd(h1, 15); flint_printf("\n\n");

            abort();
        }

        arb_poly_clear(f);
        arb_poly_clear(g);
        arb_poly_clear(h1);
        arb_poly_clear(h2);
        arb_poly_clear(h1h2);
        arb_poly_clear(h3);
    }

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}
예제 #6
0
파일: t-atan_series.c 프로젝트: isuruf/arb
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;
}
예제 #7
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;
}
예제 #8
0
int main()
{
    long iter;
    flint_rand_t state;

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

    flint_randinit(state);

    /* compare with exp/log */
    for (iter = 0; iter < 10000; iter++)
    {
        long prec, trunc;
        arb_poly_t f, g, h1, h2;
        arb_t c;

        prec = 2 + n_randint(state, 200);
        trunc = n_randint(state, 20);

        arb_poly_init(f);
        arb_poly_init(g);
        arb_poly_init(h1);
        arb_poly_init(h2);
        arb_init(c);

        /* generate binomials */
        if (n_randint(state, 20) == 0)
        {
            arb_randtest(c, state, prec, 10);
            arb_poly_set_coeff_arb(f, 0, c);
            arb_randtest(c, state, prec, 10);
            arb_poly_set_coeff_arb(f, 1 + n_randint(state, 20), c);
        }
        else
        {
            arb_poly_randtest(f, state, 1 + n_randint(state, 20), prec, 10);
        }

        arb_poly_randtest(h1, state, 1 + n_randint(state, 20), prec, 10);

        arb_randtest(c, state, prec, 10);
        arb_poly_set_arb(g, c);

        /* f^c */
        arb_poly_pow_arb_series(h1, f, c, trunc, prec);

        /* f^c = exp(c*log(f)) */
        arb_poly_log_series(h2, f, trunc, prec);
        arb_poly_mullow(h2, h2, g, trunc, prec);
        arb_poly_exp_series(h2, h2, trunc, prec);

        if (!arb_poly_overlaps(h1, h2))
        {
            printf("FAIL\n\n");

            printf("prec = %ld\n", prec);
            printf("trunc = %ld\n", trunc);

            printf("f = "); arb_poly_printd(f, 15); printf("\n\n");
            printf("c = "); arb_printd(c, 15); printf("\n\n");
            printf("h1 = "); arb_poly_printd(h1, 15); printf("\n\n");
            printf("h2 = "); arb_poly_printd(h2, 15); printf("\n\n");

            abort();
        }

        arb_poly_pow_arb_series(f, f, c, trunc, prec);

        if (!arb_poly_overlaps(f, h1))
        {
            printf("FAIL (aliasing)\n\n");
            abort();
        }

        arb_poly_clear(f);
        arb_poly_clear(g);
        arb_poly_clear(h1);
        arb_poly_clear(h2);
        arb_clear(c);
    }

    flint_randclear(state);
    flint_cleanup();
    printf("PASS\n");
    return EXIT_SUCCESS;
}
예제 #9
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;
}
예제 #10
0
int main()
{
    slong iter;
    flint_rand_t state;

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

    flint_randinit(state);

    for (iter = 0; iter < 50000 * arb_test_multiplier(); iter++)
    {
        slong rbits1, rbits2, len;
        arb_poly_t a, b, c, d;

        rbits1 = 2 + n_randint(state, 200);
        rbits2 = 2 + n_randint(state, 200);
        len = n_randint(state, 25);

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

        if (n_randint(state, 4) == 0)
            arb_poly_randtest(a, state, 1, rbits1, 25);
        else
            arb_poly_randtest(a, state, 1 + n_randint(state, 20), rbits1, 5);

        if (n_randint(state, 4) == 0)
            arb_poly_randtest(b, state, 1, rbits1, 25);
        else
            arb_poly_randtest(b, state, 1 + n_randint(state, 20), rbits1, 5);

        arb_poly_randtest(c, state, 1 + n_randint(state, 20), rbits1, 5);

        arb_poly_pow_series(c, a, b, len, rbits2);

        /* a^b = exp(b log a) */
        arb_poly_log_series(d, a, len, rbits2);
        arb_poly_mullow(d, d, b, len, rbits2);
        arb_poly_exp_series(d, d, len, rbits2);

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

            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();
        }

        /* check aliasing */
        if (iter < 5000)
        {
            arb_poly_set(d, a);
            arb_poly_pow_series(d, d, b, len, rbits2);

            if (!arb_poly_overlaps(c, d))
            {
                flint_printf("FAIL (aliasing 1)\n");
                abort();
            }

            arb_poly_set(d, b);
            arb_poly_pow_series(d, a, d, len, rbits2);

            if (!arb_poly_overlaps(c, d))
            {
                flint_printf("FAIL (aliasing 2)\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;
}
예제 #11
0
int main()
{
    slong iter;
    flint_rand_t state;

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

    flint_randinit(state);

    for (iter = 0; iter < 1000 * arb_test_multiplier(); iter++)
    {
        arb_poly_t a, b, c, d, e;
        slong n1, n2, prec;
        int alg1, alg2;

        prec = 2 + n_randint(state, 200);

        if (n_randint(state, 40) == 0)
        {
            n1 = n_randint(state, 300);
            n2 = n_randint(state, 300);
        }
        else
        {
            n1 = n_randint(state, 30);
            n2 = n_randint(state, 30);
        }

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

        arb_poly_randtest(a, state, 20, prec, 10);
        arb_poly_randtest(b, state, 20, prec, 10);
        arb_poly_randtest(c, state, 20, prec, 10);
        arb_poly_randtest(d, state, 20, prec, 10);
        arb_poly_randtest(e, state, 20, prec, 10);

        alg1 = n_randint(state, 4);
        alg2 = n_randint(state, 7);

        switch (alg1)
        {
            case 0:
                arb_poly_sinh_cosh_series(b, c, a, n1, prec);
                break;
            case 1:
                arb_poly_sinh_cosh_series_basecase(b, c, a, n1, prec);
                break;
            case 2:
                arb_poly_sinh_cosh_series_exponential(b, c, a, n1, prec);
                break;
            default:
                arb_poly_sinh_series(b, a, n1, prec);
                arb_poly_cosh_series(c, a, n1, prec);
                break;
        }

        switch (alg2)
        {
            case 0:
                arb_poly_sinh_cosh_series(d, e, a, n2, prec);
                break;
            case 1:
                arb_poly_sinh_cosh_series_basecase(d, e, a, n2, prec);
                break;
            case 2:
                arb_poly_sinh_cosh_series_exponential(d, e, a, n2, prec);
                break;
            case 3:
                arb_poly_sinh_series(d, a, n2, prec);
                arb_poly_cosh_series(e, a, n2, prec);
                break;
            case 4:
                arb_poly_set(d, a);
                arb_poly_sinh_cosh_series(d, e, d, n2, prec);
                break;
            case 5:
                arb_poly_set(e, a);
                arb_poly_sinh_cosh_series(d, e, e, n2, prec);
                break;
            default:
                arb_poly_set(d, a);
                arb_poly_sinh_series(d, d, n2, prec);
                arb_poly_set(e, a);
                arb_poly_cosh_series(e, e, n2, prec);
                break;
        }

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

        if (!arb_poly_overlaps(b, d) || !arb_poly_overlaps(c, e))
        {
            flint_printf("FAIL\n\n");
            flint_printf("alg1 = %d, alg2 = %d, n1 = %wd, n2 = %wd\n\n", alg1, alg2, n1, n2);

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

            flint_abort();
        }

        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;
}
예제 #12
0
int main()
{
    slong iter;
    flint_rand_t state;

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

    flint_randinit(state);

    for (iter = 0; iter < 2000 * arb_test_multiplier(); iter++)
    {
        slong m, n1, n2, qbits, rbits1, rbits2, rbits3;
        fmpq_poly_t A;
        arb_poly_t a, b, c, d;

        qbits = 2 + n_randint(state, 200);
        rbits1 = 2 + n_randint(state, 400);
        rbits2 = 2 + n_randint(state, 400);
        rbits3 = 2 + n_randint(state, 400);

        m = 1 + n_randint(state, 30);
        n1 = 1 + n_randint(state, 30);
        n2 = 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_not_zero(A, state, m, qbits);
        arb_poly_set_fmpq_poly(a, A, rbits1);

        arb_poly_rgamma_series(b, a, n1, rbits2);
        arb_poly_rgamma_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 = "); 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");

            abort();
        }

        /* check rgamma(a) = a gamma(a+1) */
        arb_poly_add_si(d, a, 1, rbits2);
        arb_poly_rgamma_series(d, d, n1, rbits2);
        arb_poly_mullow(c, d, a, n1, rbits2);

        if (!arb_poly_overlaps(b, c))
        {
            flint_printf("FAIL (functional equation, n1 = %wd)\n\n", n1);

            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_rgamma_series(a, a, n1, rbits2);
        if (!arb_poly_overlaps(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;
}