C++ (Cpp) mag_randtest_special Examples

Example #1

int main()
{
    slong iter;
    flint_rand_t state;

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

    flint_randinit(state);

    for (iter = 0; iter < 100000 * arb_test_multiplier(); iter++)
    {
        fmpr_t x, y;
        mag_t xb, yb;
        int c1, c2;

        fmpr_init(x);
        fmpr_init(y);

        mag_init(xb);
        mag_init(yb);

        mag_randtest_special(xb, state, 100);
        mag_randtest_special(yb, state, 100);

        mag_get_fmpr(x, xb);
        mag_get_fmpr(y, yb);

        c1 = fmpr_cmp(x, y);
        c2 = mag_cmp(xb, yb);

        if (c1 != c2)
        {
            flint_printf("FAIL\n\n");
            flint_printf("x = "); fmpr_print(x); flint_printf("\n\n");
            flint_printf("y = "); fmpr_print(y); flint_printf("\n\n");
            flint_printf("xb = "); mag_print(xb); flint_printf("\n\n");
            flint_printf("yb = "); mag_print(yb); flint_printf("\n\n");
            abort();
        }

        fmpr_clear(x);
        fmpr_clear(y);

        mag_clear(xb);
        mag_clear(yb);
    }

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

Example #2

int main()
{
    slong iter;
    flint_rand_t state;

    flint_printf("mul_2exp_si....");
    fflush(stdout);

    flint_randinit(state);

    for (iter = 0; iter < 100000 * arb_test_multiplier(); iter++)
    {
        fmpr_t x, y, z;
        mag_t xb, yb;
        slong e;

        fmpr_init(x);
        fmpr_init(y);
        fmpr_init(z);

        mag_init(xb);
        mag_init(yb);

        mag_randtest_special(xb, state, 100);
        e = z_randtest(state);
        mag_get_fmpr(x, xb);

        mag_mul_2exp_si(yb, xb, e);

        fmpr_mul_2exp_si(y, x, e);

        mag_get_fmpr(z, yb);

        MAG_CHECK_BITS(yb)

        if (!fmpr_equal(z, y))
        {
            flint_printf("FAIL\n\n");
            flint_printf("x = "); fmpr_printd(x, 15); flint_printf("\n\n");
            flint_printf("y = "); fmpr_printd(y, 15); flint_printf("\n\n");
            flint_printf("z = "); fmpr_printd(z, 15); flint_printf("\n\n");
            abort();
        }

        fmpr_clear(x);
        fmpr_clear(y);
        fmpr_clear(z);

        mag_clear(xb);
        mag_clear(yb);
    }

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

Example #3

File: t-rfac_ui.c Project: argriffing/arb

int main()
{
    slong iter;
    flint_rand_t state;

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

    flint_randinit(state);

    for (iter = 0; iter < 2000 * arb_test_multiplier(); iter++)
    {
        fmpr_t x, y;
        fmpz_t f;
        mag_t xb;
        ulong n;

        fmpr_init(x);
        fmpr_init(y);
        fmpz_init(f);
        mag_init(xb);

        mag_randtest_special(xb, state, 80);
        n = n_randtest(state) % 2000;

        mag_rfac_ui(xb, n);
        fmpz_fac_ui(f, n);
        fmpr_one(x);
        fmpr_div_fmpz(x, x, f, 2 * MAG_BITS, FMPR_RND_UP);
        mag_get_fmpr(y, xb);

        MAG_CHECK_BITS(xb)

        if (!(fmpr_cmpabs(y, x) >= 0))
        {
            flint_printf("FAIL\n\n");
            flint_printf("n = %wu\n\n", n);
            flint_printf("x = "); fmpr_print(x); flint_printf("\n\n");
            flint_printf("y = "); fmpr_print(y); flint_printf("\n\n");
            abort();
        }

        fmpr_clear(x);
        fmpr_clear(y);
        fmpz_clear(f);
        mag_clear(xb);
    }

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