Ejemplo n.º 1
0
void fmpq_mat_one(fmpq_mat_t mat)
{
    slong i, j, min;

    for (i = 0; i < mat->r; i++)
        for (j = 0; j < mat->c; j++)
            fmpq_zero(fmpq_mat_entry(mat, i, j));

    min = FLINT_MIN(mat->r, mat->c);

    for (i = 0; i < min; i++)
        fmpq_one(fmpq_mat_entry(mat, i, i));
}
Ejemplo n.º 2
0
int main()
{
    slong iter;
    flint_rand_t state;

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

    flint_randinit(state);

    /* compare with fmpq */
    for (iter = 0; iter < 1000; iter++)
    {
        arb_t a, b;
        fmpq_t x, y, z;
        ulong n, step;
        slong i;

        arb_init(a);
        arb_init(b);

        fmpq_init(x);
        fmpq_init(y);
        fmpq_init(z);

        arb_randtest(a, state, 1 + n_randint(state, 1000), 10);
        arb_randtest(b, state, 1 + n_randint(state, 1000), 10);
        n = n_randint(state, 80);

        arb_get_rand_fmpq(x, state, a, 1 + n_randint(state, 10));

        step = n_randint(state, 20);
        arb_rising_ui_rs(b, a, n, step, 2 + n_randint(state, 1000));

        fmpq_one(y);
        for (i = 0; i < n; i++)
        {
            fmpq_set_si(z, i, 1);
            fmpq_add(z, x, z);
            fmpq_mul(y, y, z);
        }

        if (!arb_contains_fmpq(b, y))
        {
            flint_printf("FAIL: containment\n\n");
            flint_printf("n = %wu\n", n);
            flint_printf("a = "); arb_print(a); flint_printf("\n\n");
            flint_printf("x = "); fmpq_print(x); flint_printf("\n\n");
            flint_printf("b = "); arb_print(b); flint_printf("\n\n");
            flint_printf("y = "); fmpq_print(y); flint_printf("\n\n");
            abort();
        }

        arb_clear(a);
        arb_clear(b);

        fmpq_clear(x);
        fmpq_clear(y);
        fmpq_clear(z);
    }

    /* aliasing of y and x */
    for (iter = 0; iter < 500; iter++)
    {
        arb_t x, y;
        ulong n, step;
        slong prec;

        arb_init(x);
        arb_init(y);

        arb_randtest(x, state, 1 + n_randint(state, 200), 10);
        arb_randtest(y, state, 1 + n_randint(state, 200), 10);
        n = n_randint(state, 100);

        prec = 2 + n_randint(state, 1000);

        step = n_randint(state, 20);
        arb_rising_ui_rs(y, x, n, step, prec);
        arb_rising_ui_rs(x, x, n, step, prec);

        if (!arb_equal(x, y))
        {
            flint_printf("FAIL: aliasing\n\n");
            flint_printf("x = "); arb_print(x); flint_printf("\n\n");
            flint_printf("y = "); arb_print(y); flint_printf("\n\n");
            flint_printf("n = %wu\n", n);
            abort();
        }

        arb_clear(x);
        arb_clear(y);
    }

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}
Ejemplo n.º 3
0
int
main(void)
{
    int i, result;
    FLINT_TEST_INIT(state);
    

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

    /* x == 1 * x */
    for (i = 0; i < 10000; i++)
    {
        fmpq_t x, y, z;

        fmpq_init(x);
        fmpq_init(y);
        fmpq_init(z);

        fmpq_randtest(x, state, 200);
        fmpq_one(y);

        fmpq_mul(z, y, x);

        result = fmpq_is_canonical(z) && fmpq_equal(x, z);
        if (!result)
        {
            flint_printf("FAIL:\n");
            flint_printf("x = "), fmpq_print(x), flint_printf("\n");
            flint_printf("y = "), fmpq_print(y), flint_printf("\n");
            flint_printf("z = "), fmpq_print(z), flint_printf("\n");
            abort();
        }

        fmpq_clear(x);
        fmpq_clear(y);
        fmpq_clear(z);
    }

    /* x/x == 1 */
    for (i = 0; i < 10000; i++)
    {
        fmpq_t x, y;

        fmpq_init(x);
        fmpq_init(y);

        while (fmpq_is_zero(x))
            fmpq_randtest(x, state, 200);

        fmpq_div(y, x, x);

        result = fmpq_is_canonical(y) && fmpq_is_one(y);
        if (!result)
        {
            flint_printf("FAIL:\n");
            flint_printf("x = "), fmpq_print(x), flint_printf("\n");
            flint_printf("y = "), fmpq_print(y), flint_printf("\n");
            abort();
        }

        fmpq_clear(x);
        fmpq_clear(y);
    }

    

    FLINT_TEST_CLEANUP(state);
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}
Ejemplo n.º 4
0
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;
}