Exemplos de _fmpq_vec_clear em C++ (Cpp)

Exemplo n.º 1

Arquivo: t-evaluate_vec_fast.c Projeto: argriffing/arb

int main()
{
    slong iter;
    flint_rand_t state;

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

    flint_randinit(state);

    for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
    {
        slong i, n, qbits1, qbits2, rbits1, rbits2, rbits3;
        fmpq_poly_t F;
        fmpq * X, * Y;
        arb_poly_t f;
        arb_ptr x, y;

        qbits1 = 2 + n_randint(state, 100);
        qbits2 = 2 + n_randint(state, 100);
        rbits1 = 2 + n_randint(state, 200);
        rbits2 = 2 + n_randint(state, 200);
        rbits3 = 2 + n_randint(state, 200);

        n = n_randint(state, 10);

        fmpq_poly_init(F);
        X = _fmpq_vec_init(n);
        Y = _fmpq_vec_init(n);

        arb_poly_init(f);
        x = _arb_vec_init(n);
        y = _arb_vec_init(n);

        fmpq_poly_randtest(F, state, 1 + n_randint(state, 20), qbits1);
        for (i = 0; i < n; i++)
            fmpq_randtest(X + i, state, qbits2);
        for (i = 0; i < n; i++)
            fmpq_poly_evaluate_fmpq(Y + i, F, X + i);

        arb_poly_set_fmpq_poly(f, F, rbits1);
        for (i = 0; i < n; i++)
            arb_set_fmpq(x + i, X + i, rbits2);
        arb_poly_evaluate_vec_fast(y, f, x, n, rbits3);

        for (i = 0; i < n; i++)
        {
            if (!arb_contains_fmpq(y + i, Y + i))
            {
                flint_printf("FAIL (%wd of %wd)\n\n", i, n);

                flint_printf("F = "); fmpq_poly_print(F); flint_printf("\n\n");
                flint_printf("X = "); fmpq_print(X + i); flint_printf("\n\n");
                flint_printf("Y = "); fmpq_print(Y + i); flint_printf("\n\n");

                flint_printf("f = "); arb_poly_printd(f, 15); flint_printf("\n\n");
                flint_printf("x = "); arb_printd(x + i, 15); flint_printf("\n\n");
                flint_printf("y = "); arb_printd(y + i, 15); flint_printf("\n\n");

                abort();
            }
        }

        fmpq_poly_clear(F);
        _fmpq_vec_clear(X, n);
        _fmpq_vec_clear(Y, n);

        arb_poly_clear(f);
        _arb_vec_clear(x, n);
        _arb_vec_clear(y, n);
    }

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

Exemplo n.º 2

Arquivo: t-bsplit_sum_abpq.c Projeto: goens/flint2

int
main(void)
{
    int i;
    flint_rand_t state;
    flint_randinit(state);

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

    for (i = 0; i < 10000; i++)
    {
        fmpq *ab, *pq;
        fmpq_t s1, s2, t, pqp;
        fmpq_bsplit_t sum;
        long k, n;

        n = n_randint(state, 40);

        ab = _fmpq_vec_init(n);
        pq = _fmpq_vec_init(n);

        fmpq_init(s1);
        fmpq_init(s2);
        fmpq_init(pqp);
        fmpq_init(t);

        for (k = 0; k < n; k++) fmpq_randtest(ab + k, state, 10);
        for (k = 0; k < n; k++) fmpq_randtest(pq + k, state, 10);

        fmpq_bsplit_init(sum);
        fmpq_bsplit_sum_abpq(sum, ab, pq, 0, n);
        fmpq_bsplit_get_fmpq(s1, sum);

        fmpq_zero(s2);
        fmpq_one(pqp);

        for (k = 0; k < n; k++)
        {
            fmpq_mul(pqp, pqp, pq + k);
            fmpq_mul(t, pqp, ab + k);
            fmpq_add(s2, s2, t);
        }

        if (!fmpq_is_canonical(s1) || !fmpq_equal(s1, s2))
        {
            printf("FAIL\n");
            printf("(a/b) = ");
            for (k = 0; k < n; k++) fmpq_print(ab+k), printf(" ");
            printf("\n");
            printf("(p/q) = ");
            for (k = 0; k < n; k++) fmpq_print(pq+k), printf(" ");
            printf("\n");
            printf("s1: ");
            fmpq_print(s1);
            printf("\n");
            printf("s2: ");
            fmpq_print(s2);
            printf("\n");
            abort();
        }

        /* Check numerical evaluation */
        {
            mpfr_t f1, f2;
            mpfr_prec_t prec;

            prec = 5 + n_randint(state, 1000);

            mpfr_init2(f1, prec);
            mpfr_init2(f2, prec);

            fmpq_bsplit_get_mpfr(f1, sum);
            fmpq_get_mpfr(f2, s1, MPFR_RNDN);

            mpfr_sub(f1, f1, f2, MPFR_RNDN);
            if (!mpfr_zero_p(f1) &&
                    !(mpfr_get_exp(f1) <= mpfr_get_exp(f2) - prec + 3))
            {
                printf("FAIL: numerical evaluation\n");
                printf("%ld, %ld, %ld\n", prec, mpfr_get_exp(f1),
                       mpfr_get_exp(f2) - prec + 3);
                abort();
            }


            mpfr_clear(f1);
            mpfr_clear(f2);
        }

        fmpq_bsplit_clear(sum);
        fmpq_clear(s1);
        fmpq_clear(s2);
        fmpq_clear(pqp);
        fmpq_clear(t);

        _fmpq_vec_clear(ab, n);
        _fmpq_vec_clear(pq, n);
    }

    flint_randclear(state);
    _fmpz_cleanup();
    printf("PASS\n");
    return 0;
}