Пример #1
0
int
main(void)
{
    int i, result;
    flint_rand_t state;
    
    printf("init_set....");
    fflush(stdout);
    
    flint_randinit(state);

    /* Small integers */
    for (i = 0; i < 100000; i++)
    {
        fmpz_t a, b;

        fmpz_init(a);
        fmpz_randtest(a, state, FLINT_BITS - 2);
        fmpz_init_set(b, a);

        result = fmpz_equal(a, b);
        if (!result)
        {
            printf("FAIL:\n\n");
            printf("a = "), fmpz_print(a), printf("\n");
            printf("b = "), fmpz_print(b), printf("\n");
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(b);
    }

    /* Large integers */
    for (i = 0; i < 100000; i++)
    {
        fmpz_t a, b;

        fmpz_init(a);
        fmpz_randtest(a, state, 2 * FLINT_BITS);
        fmpz_init_set(b, a);

        result = fmpz_equal(a, b);
        if (!result)
        {
            printf("FAIL:\n\n");
            printf("a = "), fmpz_print(a), printf("\n");
            printf("b = "), fmpz_print(b), printf("\n");
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(b);
    }

    flint_randclear(state);
    _fmpz_cleanup();
    printf("PASS\n");
    return 0;
}
Пример #2
0
void
fmpr_randtest(fmpr_t x, flint_rand_t state, slong bits, slong mag_bits)
{
    fmpz_randtest(fmpr_manref(x), state, bits);
    fmpz_randtest(fmpr_expref(x), state, mag_bits);
    fmpz_sub_ui(fmpr_expref(x), fmpr_expref(x), fmpz_bits(fmpr_manref(x)));
    _fmpr_normalise(fmpr_manref(x), fmpr_expref(x), bits, FMPR_RND_DOWN);
}
Пример #3
0
int main()
{
    slong iter;
    flint_rand_t state;

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

    flint_randinit(state);

    for (iter = 0; iter < 100000; iter++)
    {
        fmpz_t a, c, d;
        slong b;

        fmpz_init(a);
        fmpz_init(c);
        fmpz_init(d);

        fmpz_randtest(a, state, 1 + n_randint(state, 200));
        fmpz_randtest(c, state, 1 + n_randint(state, 200));
        fmpz_randtest(d, state, 1 + n_randint(state, 200));
        b = n_randtest(state);

        fmpz_sub_si(c, a, b);
        fmpz_sub_si_inline(d, a, b);

        if (!fmpz_equal(c, d))
        {
            flint_printf("FAIL\n");
            fmpz_print(a); flint_printf("\n\n");
            flint_printf("%wd", b); flint_printf("\n\n");
            fmpz_print(c); flint_printf("\n\n");
            fmpz_print(d); flint_printf("\n\n");
            abort();
        }

        fmpz_sub_si_inline(a, a, b);
        if (!fmpz_equal(c, a))
        {
            flint_printf("FAIL (aliasing)\n");
            fmpz_print(a); flint_printf("\n\n");
            flint_printf("%wd", b); flint_printf("\n\n");
            fmpz_print(c); flint_printf("\n\n");
            fmpz_print(d); flint_printf("\n\n");
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(c);
        fmpz_clear(d);
    }

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

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

    flint_randinit(state);

    for (iter = 0; iter < 100000 * arb_test_multiplier(); iter++)
    {
        fmpz_t a, b, c;
        ulong e;
        mp_limb_t atmp;
        mp_ptr aptr;
        mp_size_t an;
        int asgnbit;

        fmpz_init(a);
        fmpz_init(b);
        fmpz_init(c);

        fmpz_randtest_not_zero(a, state, 1 + n_randint(state, 2000));
        fmpz_randtest(b, state, 1 + n_randint(state, 2000));
        fmpz_randtest(c, state, 1 + n_randint(state, 2000));

        e = n_randint(state, 1000);

        FMPZ_GET_MPN_READONLY(asgnbit, an, aptr, atmp, *a)
        fmpz_lshift_mpn(b, aptr, an, asgnbit, e);

        fmpz_mul_2exp(c, a, e);

        if (!fmpz_equal(b, c))
        {
            flint_printf("FAIL\n");
            fmpz_print(a); flint_printf("\n\n");
            fmpz_print(b); flint_printf("\n\n");
            fmpz_print(c); flint_printf("\n\n");
            flint_abort();
        }

        fmpz_clear(a);
        fmpz_clear(b);
        fmpz_clear(c);
    }

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}
Пример #5
0
int
main(void)
{
    int i, result;
    flint_rand_t state;

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

    for (i = 0; i < 100000; i++)
    {
        fmpz_t a, b;

        *a = 0L;

        fmpz_randtest(a, state, FLINT_BITS - 2);

        *b = *a;

        _fmpz_promote_val(a);
        _fmpz_demote_val(a);

        result = (*b == *a);

        if (!result)
        {
            printf("FAIL\n");
            abort();
        }
    }

    _fmpz_cleanup();
    printf("PASS\n");
    return 0;
}
Пример #6
0
void
fmpz_poly_randtest(fmpz_poly_t f, flint_rand_t state, 
                   long len, mp_bitcnt_t bits)
{
    long i;
    fmpz_poly_fit_length(f, len);

    for (i = 0; i < len; i++)
        fmpz_randtest(f->coeffs + i, state, bits);

    _fmpz_poly_set_length(f, len);
    _fmpz_poly_normalise(f);
}
Пример #7
0
int
main(void)
{
    int i, result;
    flint_rand_t state;

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

    flint_randinit(state);

    for (i = 0; i < 100000; i++)
    {
        ulong j;
        fmpz_t a, c;
        mpz_t b;

        fmpz_init(a);
        fmpz_init(c);
        mpz_init(b);

        fmpz_randtest(a, state, 2 * FLINT_BITS);
        fmpz_get_mpz(b, a);
        j = n_randint(state, 3 * FLINT_BITS);

        fmpz_setbit(a, j);
        mpz_setbit(b, j);
        fmpz_set_mpz(c, b);

        result = (fmpz_equal(a, c));

        if (!result)
        {
            printf("FAIL:\n");
            printf("a = "), fmpz_print(a), printf("\n");
            gmp_printf("b = %Zd\n", b);
            printf("c = "), fmpz_print(c), printf("\n");
            printf("j = %ld\n", j);
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(c);
        mpz_clear(b);
    }

    flint_randclear(state);
    _fmpz_cleanup();
    printf("PASS\n");
    return 0;
}
Пример #8
0
int
main(void)
{
    int i, result;
    FLINT_TEST_INIT(state);

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

    

    /* Check that content(a f) = abs(a) content(f) */
    for (i = 0; i < 1000 * flint_test_multiplier(); i++)
    {
        fmpz_t a, c, d;
        fmpz *f;
        slong len = n_randint(state, 100);

        fmpz_init(a);
        fmpz_init(c);
        fmpz_init(d);
        f = _fmpz_vec_init(len);
        _fmpz_vec_randtest(f, state, len, 200);
        fmpz_randtest(a, state, 100);

        _fmpz_vec_content(c, f, len);
        _fmpz_vec_scalar_mul_fmpz(f, f, len, a);
        fmpz_abs(a, a);
        fmpz_mul(c, a, c);
        _fmpz_vec_content(d, f, len);

        result = (fmpz_equal(c, d));
        if (!result)
        {
            flint_printf("FAIL:\n");
            fmpz_print(c), flint_printf("\n\n");
            fmpz_print(d), flint_printf("\n\n");
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(c);
        fmpz_clear(d);
        _fmpz_vec_clear(f, len);
    }

    FLINT_TEST_CLEANUP(state);
    
    flint_printf("PASS\n");
    return 0;
}
Пример #9
0
int
main(void)
{
    int i, result;
    FLINT_TEST_INIT(state);

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

    

    for (i = 0; i < 10000 * flint_test_multiplier(); i++)
    {
        fmpz_t a;
        mpz_t b;
        int r1, r2;

        fmpz_init(a);

        mpz_init(b);

        fmpz_randtest(a, state, 200);
        if (n_randint(state, 2) == 0)
            fmpz_mul(a, a, a);

        fmpz_get_mpz(b, a);

        r1 = fmpz_is_square(a);
        r2 = mpz_perfect_square_p(b);
        result = (r1 == r2);

        if (!result)
        {
            flint_printf("FAIL:\n");
            gmp_printf("b = %Zd\n", b);
            abort();
        }

        fmpz_clear(a);

        mpz_clear(b);
    }

    FLINT_TEST_CLEANUP(state);
    
    flint_printf("PASS\n");
    return 0;
}
Пример #10
0
void
acb_randtest_maybe_half_int(acb_t x, flint_rand_t state, long prec, long size)
{
    if (n_randint(state, 8) == 0)
    {
        fmpz_t t;
        fmpz_init(t);
        fmpz_randtest(t, state, 1 + n_randint(state, prec));
        arb_set_fmpz(acb_realref(x), t);
        arb_zero(acb_imagref(x));
        acb_mul_2exp_si(x, x, -1);
        fmpz_clear(t);
    }
    else
    {
        acb_randtest(x, state, prec, size);
    }
}
Пример #11
0
int
main(void)
{
    int i, result;

    double output;
    slong exp;

    FLINT_TEST_INIT(state);

    flint_printf("get_d_2exp....");
    fflush(stdout);

    for (i = 0; i < 1000 * flint_test_multiplier(); i++)
    {
        fmpz_t a;
        fmpz_init(a);

        fmpz_randtest(a, state, 200);

        output = fmpz_get_d_2exp(&exp, a);

        result = (fmpz_bits(a) == exp);
        if (!result)
        {
            flint_printf("FAIL:\n");
            flint_printf("a = "), fmpz_print(a), flint_printf("\n");
            flint_printf("output = %f\n", output);
            flint_printf("exp = %wd, bits = %wu\n", exp, fmpz_bits(a));
            abort();
        }

        fmpz_clear(a);
    }

    FLINT_TEST_CLEANUP(state);
    
    flint_printf("PASS\n");
    return 0;
}
Пример #12
0
void fmpq_poly_randtest(fmpq_poly_t poly, flint_rand_t state, 
                        long len, mp_bitcnt_t bits)
{
    ulong m;

    m = n_randlimb(NULL);

    fmpq_poly_fit_length(poly, len);
    _fmpq_poly_set_length(poly, len);

    if (m & 1UL)
    {
        _fmpz_vec_randtest(poly->coeffs, state, len, bits);
    }
    else
    {
        fmpz_t x;

        fmpz_init(x);
        fmpz_randtest(x, state, bits / 2);
        _fmpz_vec_randtest(poly->coeffs, state, len, (bits + 1) / 2);
        _fmpz_vec_scalar_mul_fmpz(poly->coeffs, poly->coeffs, len, x);
        fmpz_clear(x);
    }

    if (m & 2UL)
    {
        fmpz_randtest_not_zero(poly->den, state, FLINT_MAX(bits, 1));
        fmpz_abs(poly->den, poly->den);
        fmpq_poly_canonicalise(poly);
    }
    else
    {
        fmpz_set_ui(poly->den, 1);
        _fmpq_poly_normalise(poly);
    }
}
Пример #13
0
void
_fmpq_randtest(fmpz_t num, fmpz_t den, flint_rand_t state, mp_bitcnt_t bits)
{
    ulong x = n_randlimb(state);

    fmpz_randtest(num, state, bits);
    fmpz_randtest_not_zero(den, state, bits);

    switch (x % 16)
    {
        case 0:
            fmpz_set_si(num, 1);
            break;
        case 1:
            fmpz_set_si(num, -1);
            break;
        case 2:
            fmpz_set_si(num, 2);
            break;
        case 3:
            fmpz_set_si(num, -2);
            break;
    }

    switch ((x / 16) % 16)
    {
        case 0:
            fmpz_set_si(den, 1);
            break;
        case 2:
            fmpz_set_si(den, 2);
            break;
    }

    _fmpq_canonicalise(num, den);
}
Пример #14
0
int
main(void)
{
    int i, result;
    FLINT_TEST_INIT(state);

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

    

    for (i = 0; i < 10000 * flint_test_multiplier(); i++)
    {
        fmpz_t a, c;
        mpz_t e, f, g;
        slong n;

        fmpz_init(a);
        fmpz_init(c);
        mpz_init(e);
        mpz_init(f);
        mpz_init(g);

        fmpz_randtest(a, state, 200);
        n = z_randtest_not_zero(state);
        fmpz_mul_si(c, a, n);

        fmpz_get_mpz(e, c);

        fmpz_divexact_si(a, c, n);
        flint_mpz_divexact_ui(f, e, FLINT_ABS(n));
        if (n < 0)
            mpz_neg(f, f);

        fmpz_get_mpz(g, a);

        result = (mpz_cmp(f, g) == 0);
        if (!result)
        {
            flint_printf("FAIL:\n");
            gmp_printf("n = %wd, e = %Zd, f = %Zd, g = %Zd\n", n, e, f, g);
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(c);
        mpz_clear(e);
        mpz_clear(f);
        mpz_clear(g);
    }

    /* Test aliasing of a and c */
    for (i = 0; i < 10000 * flint_test_multiplier(); i++)
    {
        fmpz_t a, c;
        mpz_t d, f, g;
        slong n;

        fmpz_init(a);
        fmpz_init(c);
        mpz_init(d);
        mpz_init(f);
        mpz_init(g);

        fmpz_randtest(a, state, 200);
        n = z_randtest_not_zero(state);
        fmpz_mul_si(c, a, n);

        fmpz_get_mpz(d, c);

        fmpz_divexact_si(c, c, n);
        flint_mpz_divexact_ui(f, d, FLINT_ABS(n));
        if (n < 0)
            mpz_neg(f, f);

        fmpz_get_mpz(g, c);

        result = (mpz_cmp(f, g) == 0);

        if (!result)
        {
            flint_printf("FAIL;\n");
            gmp_printf("d = %Zd, n = %wd, f = %Zd, g = %Zd\n", d, n, f, g);
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(c);
        mpz_clear(d);
        mpz_clear(f);
        mpz_clear(g);
    }

    FLINT_TEST_CLEANUP(state);
    
    flint_printf("PASS\n");
    return 0;
}
Пример #15
0
int
main(void)
{
    int i, result;
    FLINT_TEST_INIT(state);

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

    

    for (i = 0; i < 10000 * flint_test_multiplier(); i++)
    {
        fmpz_t a, b, c;
        mpz_t d, e, f, g;

        fmpz_init(a);
        fmpz_init(b);
        fmpz_init(c);

        mpz_init(d);
        mpz_init(e);
        mpz_init(f);
        mpz_init(g);

        fmpz_randtest(a, state, 200);
        fmpz_randtest_not_zero(b, state, 200);

        fmpz_get_mpz(d, a);
        fmpz_get_mpz(e, b);

        fmpz_cdiv_q(c, a, b);
        mpz_cdiv_q(f, d, e);

        fmpz_get_mpz(g, c);

        result = (mpz_cmp(f, g) == 0);

        if (!result)
        {
            flint_printf("FAIL\n");
            gmp_printf("d = %Zd, e = %Zd, f = %Zd, g = %Zd\n", d, e, f, g);
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(b);
        fmpz_clear(c);

        mpz_clear(d);
        mpz_clear(e);
        mpz_clear(f);
        mpz_clear(g);
    }

    /* Check aliasing of a and b */
    for (i = 0; i < 10000 * flint_test_multiplier(); i++)
    {
        fmpz_t a, c;
        mpz_t d, f, g;

        fmpz_init(a);
        fmpz_init(c);

        mpz_init(d);
        mpz_init(f);
        mpz_init(g);

        fmpz_randtest_not_zero(a, state, 200);

        fmpz_get_mpz(d, a);

        fmpz_cdiv_q(c, a, a);
        mpz_cdiv_q(f, d, d);

        fmpz_get_mpz(g, c);

        result = (mpz_cmp(f, g) == 0);

        if (!result)
        {
            flint_printf("FAIL\n");
            gmp_printf("d = %Zd, f = %Zd, g = %Zd\n", d, f, g);
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(c);

        mpz_clear(d);
        mpz_clear(f);
        mpz_clear(g);
    }

    /* Test aliasing of a and c */
    for (i = 0; i < 10000 * flint_test_multiplier(); i++)
    {
        fmpz_t a, b;
        mpz_t d, e, f, g;

        fmpz_init(a);
        fmpz_init(b);

        mpz_init(d);
        mpz_init(e);
        mpz_init(f);
        mpz_init(g);

        fmpz_randtest(a, state, 200);
        fmpz_randtest_not_zero(b, state, 200);

        fmpz_get_mpz(d, a);
        fmpz_get_mpz(e, b);

        fmpz_cdiv_q(a, a, b);
        mpz_cdiv_q(f, d, e);

        fmpz_get_mpz(g, a);

        result = (mpz_cmp(f, g) == 0);

        if (!result)
        {
            flint_printf("FAIL\n");
            gmp_printf("d = %Zd, e = %Zd, f = %Zd, g = %Zd\n", d, e, f, g);
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(b);

        mpz_clear(d);
        mpz_clear(e);
        mpz_clear(f);
        mpz_clear(g);
    }

    /* Test aliasing of b and c */
    for (i = 0; i < 10000 * flint_test_multiplier(); i++)
    {
        fmpz_t a, b;
        mpz_t d, e, f, g;

        fmpz_init(a);
        fmpz_init(b);

        mpz_init(d);
        mpz_init(e);
        mpz_init(f);
        mpz_init(g);

        fmpz_randtest(a, state, 200);
        fmpz_randtest_not_zero(b, state, 200);

        fmpz_get_mpz(d, a);
        fmpz_get_mpz(e, b);

        fmpz_cdiv_q(b, a, b);
        mpz_cdiv_q(f, d, e);

        fmpz_get_mpz(g, b);

        result = (mpz_cmp(f, g) == 0);

        if (!result)
        {
            flint_printf("FAIL\n");
            gmp_printf("d = %Zd, e = %Zd, f = %Zd, g = %Zd\n", d, e, f, g);
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(b);

        mpz_clear(d);
        mpz_clear(e);
        mpz_clear(f);
        mpz_clear(g);
    }

    FLINT_TEST_CLEANUP(state);
    
    flint_printf("PASS\n");
    return 0;
}
Пример #16
0
int
main(void)
{
    int i, j, result;
    ulong cflags = UWORD(0);

    mpq_t n1, n2;

    FLINT_TEST_INIT(state);

    flint_printf("get/set_coeff_fmpz....");
    fflush(stdout);

    mpq_init(n1);
    mpq_init(n2);   

    for (i = 0; i < 100 * flint_test_multiplier(); i++)
    {
        fmpq_poly_t a;
        fmpz_t x1, x2;
        slong coeff, len;

        fmpq_poly_init(a);
        fmpz_init(x1);
        fmpz_init(x2);
        len = (slong) (n_randint(state, 100) + 1);

        for (j = 0; j < 100; j++)
        {
            fmpz_randtest(x1, state, 200);
            fmpz_get_mpz(mpq_numref(n1), x1);
            flint_mpz_set_si(mpq_denref(n1), 1);
            coeff = (slong) n_randint(state, len);
            fmpq_poly_set_coeff_fmpz(a, coeff, x1);
            fmpq_poly_get_coeff_mpq(n2, a, coeff);

            cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
            result = (mpq_equal(n1, n2) && !cflags);
            if (!result)
            {
                flint_printf("FAIL:\n\n");
                flint_printf("a     = "), fmpq_poly_debug(a), flint_printf("\n\n");
                flint_printf("coeff = %wd\n\n", coeff);
                flint_printf("len   = %wd\n\n", len);
                flint_printf("cflags = %wu\n\n", cflags);
                gmp_printf("n1 = %Qd\n\n", n1);
                gmp_printf("n2 = %Qd\n\n", n2);
                abort();
            }
        }

        fmpz_clear(x1);
        fmpz_clear(x2);
        fmpq_poly_clear(a);
    }

    mpq_clear(n1);
    mpq_clear(n2);

    FLINT_TEST_CLEANUP(state);
    
    flint_printf("PASS\n");
    return 0;
}
Пример #17
0
int
main(void)
{
    int i, result;
    flint_rand_t state;

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

    flint_randinit(state);

    for (i = 0; i < 100000; i++)
    {
        fmpz_t a, c;
        mpz_t e, f, g;
        ulong n;

        fmpz_init(a);
        fmpz_init(c);
        mpz_init(e);
        mpz_init(f);
        mpz_init(g);

        fmpz_randtest(a, state, 200);
        n = n_randtest_not_zero(state);
        fmpz_mul_ui(c, a, n);

        fmpz_get_mpz(e, c);

        fmpz_divexact_ui(a, c, n);
        mpz_divexact_ui(f, e, n);

        fmpz_get_mpz(g, a);

        result = (mpz_cmp(f, g) == 0);
        if (!result)
        {
            printf("FAIL1\n");
            gmp_printf("n = %lu, e = %Zd, f = %Zd, g = %Zd\n", n, e, f, g);
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(c);
        mpz_clear(e);
        mpz_clear(f);
        mpz_clear(g);
    }

    /* Test aliasing of a and c */
    for (i = 0; i < 100000; i++)
    {
        fmpz_t a, c;
        mpz_t d, f, g;
        ulong n;

        fmpz_init(a);
        fmpz_init(c);
        mpz_init(d);
        mpz_init(f);
        mpz_init(g);

        fmpz_randtest(a, state, 200);
        n = n_randtest_not_zero(state);
        fmpz_mul_ui(c, a, n);

        fmpz_get_mpz(d, c);

        fmpz_divexact_ui(c, c, n);
        mpz_divexact_ui(f, d, n);

        fmpz_get_mpz(g, c);

        result = (mpz_cmp(f, g) == 0);
        if (!result)
        {
            printf("FAIL:\n");
            gmp_printf("d = %Zd, n = %lu, f = %Zd, g = %Zd\n", d, n, f, g);
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(c);
        mpz_clear(d);
        mpz_clear(f);
        mpz_clear(g);
    }

    flint_randclear(state);
    _fmpz_cleanup();
    printf("PASS\n");
    return 0;
}
Пример #18
0
int main()
{
    long iter;
    flint_rand_t state;

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

    flint_randinit(state);

    for (iter = 0; iter < 10000; iter++)
    {
        arb_t a, b, c, d;
        fmpz_t x;
        long prec;

        arb_init(a);
        arb_init(b);
        arb_init(c);
        arb_init(d);
        fmpz_init(x);

        arb_randtest_special(a, state, 1 + n_randint(state, 2000), 100);
        arb_randtest_special(b, state, 1 + n_randint(state, 2000), 100);
        arb_randtest_special(c, state, 1 + n_randint(state, 2000), 100);
        fmpz_randtest(x, state, 1 + n_randint(state, 2000));

        prec = 2 + n_randint(state, 2000);

        arb_set_fmpz(b, x);
        arb_set(d, c);
        arb_submul_fmpz(c, a, x, prec);
        arb_submul(d, a, b, prec);

        if (!arb_equal(c, d))
        {
            printf("FAIL\n\n");
            printf("a = "); arb_print(a); printf("\n\n");
            printf("b = "); arb_print(b); printf("\n\n");
            printf("c = "); arb_print(c); printf("\n\n");
            printf("d = "); arb_print(d); printf("\n\n");
            abort();
        }

        arb_clear(a);
        arb_clear(b);
        arb_clear(c);
        arb_clear(d);
        fmpz_clear(x);
    }

    /* aliasing */
    for (iter = 0; iter < 10000; iter++)
    {
        arb_t a, b, c;
        fmpz_t x;
        long prec;

        arb_init(a);
        arb_init(b);
        arb_init(c);
        fmpz_init(x);

        arb_randtest_special(a, state, 1 + n_randint(state, 2000), 100);
        arb_randtest_special(b, state, 1 + n_randint(state, 2000), 100);
        arb_randtest_special(c, state, 1 + n_randint(state, 2000), 100);
        fmpz_randtest(x, state, 1 + n_randint(state, 2000));

        prec = 2 + n_randint(state, 2000);

        arb_set_fmpz(b, x);
        arb_set(c, a);
        arb_submul_fmpz(c, a, x, prec);
        arb_submul_fmpz(a, a, x, prec);

        if (!arb_equal(a, c))
        {
            printf("FAIL (aliasing)\n\n");
            printf("a = "); arb_print(a); printf("\n\n");
            printf("b = "); arb_print(b); printf("\n\n");
            printf("c = "); arb_print(c); printf("\n\n");
            abort();
        }

        arb_clear(a);
        arb_clear(b);
        arb_clear(c);
        fmpz_clear(x);
    }

    flint_randclear(state);
    flint_cleanup();
    printf("PASS\n");
    return EXIT_SUCCESS;
}
Пример #19
0
int
main(void)
{
    int i, result;
    FLINT_TEST_INIT(state);

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

    

    /* Check that (f+g)(a) = f(a) + g(a) */
    for (i = 0; i < 1000 * flint_test_multiplier(); i++)
    {
        fmpz_t a;
        fmpq_poly_t f, g, h;
        fmpq_t x, y;

        fmpq_init(x);
        fmpq_init(y);
        fmpz_init(a);
        fmpq_poly_init(f);
        fmpq_poly_init(g);
        fmpq_poly_init(h);
        fmpq_poly_randtest(f, state, n_randint(state, 100), 200);
        fmpq_poly_randtest(g, state, n_randint(state, 100), 200);
        fmpz_randtest(a, state, n_randint(state, 100));

        fmpq_poly_evaluate_fmpz(x, f, a);
        fmpq_poly_evaluate_fmpz(y, g, a);
        fmpq_add(x, x, y);
        fmpq_poly_add(h, f, g);
        fmpq_poly_evaluate_fmpz(y, h, a);

        result = (fmpq_equal(x, y));
        if (!result)
        {
            flint_printf("FAIL:\n");
            flint_printf("f = "), fmpq_poly_debug(f), flint_printf("\n");
            flint_printf("g = "), fmpq_poly_debug(g), flint_printf("\n");
            flint_printf("a = "), fmpz_print(a), flint_printf("\n");
            flint_printf("f(a) + g(a) = "), fmpq_print(x), flint_printf("\n\n");
            flint_printf("(f + g)(a)  = "), fmpq_print(y), flint_printf("\n\n");
            abort();
        }

        fmpq_clear(x);
        fmpq_clear(y);
        fmpz_clear(a);
        fmpq_poly_clear(f);
        fmpq_poly_clear(g);
        fmpq_poly_clear(h);
    }

    /* Check that (f*g)(a) = f(a) * g(a) */
    for (i = 0; i < 1000 * flint_test_multiplier(); i++)
    {
        fmpz_t a;
        fmpq_poly_t f, g;
        fmpq_t x, y;

        fmpq_init(x);
        fmpq_init(y);
        fmpz_init(a);
        fmpq_poly_init(f);
        fmpq_poly_init(g);
        fmpq_poly_randtest(f, state, n_randint(state, 100), 200);
        fmpq_poly_randtest(g, state, n_randint(state, 100), 200);
        fmpz_randtest(a, state, n_randint(state, 100));

        fmpq_poly_evaluate_fmpz(x, f, a);
        fmpq_poly_evaluate_fmpz(y, g, a);
        fmpq_mul(x, x, y);
        fmpq_poly_mul(f, f, g);
        fmpq_poly_evaluate_fmpz(y, f, a);

        result = (fmpq_equal(x, y));
        if (!result)
        {
            flint_printf("FAIL:\n");
            fmpz_print(a), flint_printf("\n\n");
            abort();
        }

        fmpq_clear(x);
        fmpq_clear(y);
        fmpz_clear(a);
        fmpq_poly_clear(f);
        fmpq_poly_clear(g);
    }

    FLINT_TEST_CLEANUP(state);
    
    flint_printf("PASS\n");
    return 0;
}
Пример #20
0
int main()
{
    slong iter;
    flint_rand_t state;

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

    flint_randinit(state);

    /* compare with fmpz */
    {
        arf_t x, y;
        fmpz_t X, Y;

        arf_init(x);
        arf_init(y);
        fmpz_init(X);
        fmpz_init(Y);

        for (iter = 0; iter < 100000 * arb_test_multiplier(); iter++)
        {
            int cmp1, cmp2;

            fmpz_randtest(X, state, 1 + n_randint(state, 1000));

            switch (n_randint(state, 8))
            {
                case 0:
                    fmpz_neg(Y, X);
                    break;
                case 1:
                    fmpz_set(Y, X);
                    break;
                default:
                    fmpz_randtest(Y, state, 1 + n_randint(state, 1000));
            }

            arf_set_fmpz(x, X);
            arf_set_fmpz(y, Y);

            cmp1 = arf_cmpabs(x, y);

            cmp2 = fmpz_cmpabs(X, Y);
            cmp2 = (cmp2 > 0) - (cmp2 < 0);

            if (cmp1 != cmp2)
            {
                flint_printf("FAIL\n\n");
                flint_printf("x = "); arf_debug(x); flint_printf("\n\n");
                flint_printf("y = "); arf_debug(y); flint_printf("\n\n");
                flint_printf("X = "); fmpz_print(X); flint_printf("\n\n");
                flint_printf("Y = "); fmpz_print(Y); flint_printf("\n\n");
                flint_printf("cmp1 = %d, cmp2 = %d\n\n", cmp1, cmp2);
                abort();
            }
        }

        arf_clear(x);
        arf_clear(y);
        fmpz_clear(X);
        fmpz_clear(Y);
    }

    /* compare with mpfr */
    for (iter = 0; iter < 100000 * arb_test_multiplier(); iter++)
    {
        slong bits;
        arf_t x, y;
        mpfr_t X, Y;
        int cmp1, cmp2;

        bits = 2 + n_randint(state, 200);

        arf_init(x);
        arf_init(y);

        mpfr_init2(X, bits);
        mpfr_init2(Y, bits);

        arf_randtest_special(x, state, bits, 10);
        arf_randtest_special(y, state, bits, 10);

        arf_get_mpfr(X, x, MPFR_RNDN);
        arf_get_mpfr(Y, y, MPFR_RNDN);

        mpfr_abs(X, X, MPFR_RNDN);
        mpfr_abs(Y, Y, MPFR_RNDN);

        cmp1 = arf_cmpabs(x, y);
        cmp2 = mpfr_cmp(X, Y);

        if (cmp1 != cmp2)
        {
            flint_printf("FAIL\n\n");
            flint_printf("x = "); arf_print(x); flint_printf("\n\n");
            flint_printf("y = "); arf_print(y); flint_printf("\n\n");
            flint_printf("cmp1 = %d, cmp2 = %d\n\n", cmp1, cmp2);
            abort();
        }

        arf_clear(x);
        arf_clear(y);

        mpfr_clear(X);
        mpfr_clear(Y);
    }

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}
Пример #21
0
int
main(void)
{
    int i, result;
    flint_rand_t state;

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

    flint_randinit(state);

    /* Check aliasing of a and b */
    for (i = 0; i < 100; i++)
    {
        fmpz_poly_q_t a, b;
        fmpz_t x1, x2;
        mpq_t y;

        fmpz_poly_q_init(a);
        fmpz_poly_q_init(b);
        fmpz_init(x1);
        fmpz_init(x2);
        mpq_init(y);

        fmpz_poly_q_randtest(b, state, n_randint(state, 50), 50, n_randint(state, 50), 50);
        fmpz_randtest(x1, state, 50);
        fmpz_randtest_not_zero(x2, state, 50);
        fmpz_get_mpz(mpq_numref(y), x1);
        fmpz_get_mpz(mpq_denref(y), x2);
        mpq_canonicalize(y);

        fmpz_poly_q_scalar_mul_mpq(a, b, y);
        fmpz_poly_q_scalar_mul_mpq(b, b, y);

        result = fmpz_poly_q_equal(a, b);
        if (!result)
        {
            printf("FAIL:\n");
            fmpz_poly_q_print(a), printf("\n\n");
            fmpz_poly_q_print(b), printf("\n\n");
            abort();
        }

        fmpz_poly_q_clear(a);
        fmpz_poly_q_clear(b);
        fmpz_clear(x1);
        fmpz_clear(x2);
        mpq_clear(y);
    }

    /* Check that x (a + b) == x * a + x * b */
    for (i = 0; i < 100; i++)
    {
        fmpz_poly_q_t a, b, c, d;
        fmpz_t x1, x2;
        mpq_t y;

        fmpz_poly_q_init(a);
        fmpz_poly_q_init(b);
        fmpz_poly_q_init(c);
        fmpz_poly_q_init(d);
        fmpz_init(x1);
        fmpz_init(x2);
        mpq_init(y);

        fmpz_poly_q_randtest(a, state, n_randint(state, 50), 50, n_randint(state, 50), 50);
        fmpz_poly_q_randtest(b, state, n_randint(state, 50), 50, n_randint(state, 50), 50);
        fmpz_randtest(x1, state, 50);
        fmpz_randtest_not_zero(x2, state, 50);
        fmpz_get_mpz(mpq_numref(y), x1);
        fmpz_get_mpz(mpq_denref(y), x2);
        mpq_canonicalize(y);

        fmpz_poly_q_scalar_mul_mpq(c, a, y);
        fmpz_poly_q_scalar_mul_mpq(d, b, y);
        fmpz_poly_q_add(d, c, d);

        fmpz_poly_q_add(c, a, b);
        fmpz_poly_q_scalar_mul_mpq(c, c, y);

        result = fmpz_poly_q_equal(c, d) && fmpz_poly_q_is_canonical(c);
        if (!result)
        {
            printf("FAIL:\n");
            printf("a = "), fmpz_poly_q_print(a), printf("\n\n");
            printf("b = "), fmpz_poly_q_print(b), printf("\n\n");
            printf("c = "), fmpz_poly_q_print(c), printf("\n\n");
            printf("d = "), fmpz_poly_q_print(d), printf("\n\n");
            gmp_printf("y = %Qd\n\n", y);
            abort();
        }

        fmpz_poly_q_clear(a);
        fmpz_poly_q_clear(b);
        fmpz_poly_q_clear(c);
        fmpz_poly_q_clear(d);
        fmpz_clear(x1);
        fmpz_clear(x2);
        mpq_clear(y);
    }

    flint_randclear(state);
    _fmpz_cleanup();
    printf("PASS\n");
    return EXIT_SUCCESS;
}
Пример #22
0
int main()
{
    slong iter, iter2;
    flint_rand_t state;

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

    flint_randinit(state);

    for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
    {
        arf_t x, z, v;
        fmpz_t y;
        slong prec, r1, r2;
        arf_rnd_t rnd;

        arf_init(x);
        arf_init(z);
        arf_init(v);
        fmpz_init(y);

        for (iter2 = 0; iter2 < 100; iter2++)
        {
            arf_randtest_special(x, state, 2000, 10);
            fmpz_randtest(y, state, 2000);
            prec = 2 + n_randint(state, 2000);

            if (n_randint(state, 10))
                prec = ARF_PREC_EXACT;

            switch (n_randint(state, 5))
            {
                case 0:  rnd = ARF_RND_DOWN; break;
                case 1:  rnd = ARF_RND_UP; break;
                case 2:  rnd = ARF_RND_FLOOR; break;
                case 3:  rnd = ARF_RND_CEIL; break;
                default: rnd = ARF_RND_NEAR; break;
            }

            switch (n_randint(state, 2))
            {
            case 0:
                r1 = arf_mul_fmpz(z, x, y, prec, rnd);
                r2 = arf_mul_fmpz_naive(v, x, y, prec, rnd);
                if (!arf_equal(z, v) || r1 != r2)
                {
                    flint_printf("FAIL!\n");
                    flint_printf("prec = %wd, rnd = %d\n\n", prec, rnd);
                    flint_printf("x = "); arf_print(x); flint_printf("\n\n");
                    flint_printf("y = "); fmpz_print(y); flint_printf("\n\n");
                    flint_printf("z = "); arf_print(z); flint_printf("\n\n");
                    flint_printf("v = "); arf_print(v); flint_printf("\n\n");
                    flint_printf("r1 = %wd, r2 = %wd\n", r1, r2);
                    flint_abort();
                }
                break;

            default:
                r2 = arf_mul_fmpz_naive(v, x, y, prec, rnd);
                r1 = arf_mul_fmpz(x, x, y, prec, rnd);
                if (!arf_equal(x, v) || r1 != r2)
                {
                    flint_printf("FAIL (aliasing)!\n");
                    flint_printf("prec = %wd, rnd = %d\n\n", prec, rnd);
                    flint_printf("x = "); arf_print(x); flint_printf("\n\n");
                    flint_printf("y = "); fmpz_print(y); flint_printf("\n\n");
                    flint_printf("v = "); arf_print(v); flint_printf("\n\n");
                    flint_printf("r1 = %wd, r2 = %wd\n", r1, r2);
                    flint_abort();
                }
                break;
            }
        }

        arf_clear(x);
        arf_clear(z);
        arf_clear(v);
        fmpz_clear(y);
    }

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}
Пример #23
0
int main()
{
    slong iter;
    flint_rand_t state;

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

    flint_randinit(state);

    for (iter = 0; iter < 100000; iter++)
    {
        fmpz_t a, b, c, d;

        fmpz_init(a);
        fmpz_init(b);
        fmpz_init(c);
        fmpz_init(d);

        fmpz_randtest(a, state, 1 + n_randint(state, 200));
        fmpz_randtest(b, state, 1 + n_randint(state, 200));
        fmpz_randtest(c, state, 1 + n_randint(state, 200));
        fmpz_randtest(d, state, 1 + n_randint(state, 200));

        fmpz_add(c, a, b);
        fmpz_add_inline(d, a, b);
        if (!fmpz_equal(c, d))
        {
            flint_printf("FAIL\n");
            fmpz_print(a); flint_printf("\n\n");
            fmpz_print(b); flint_printf("\n\n");
            fmpz_print(c); flint_printf("\n\n");
            fmpz_print(d); flint_printf("\n\n");
            abort();
        }

        fmpz_add_inline(a, a, b);
        if (!fmpz_equal(c, a))
        {
            flint_printf("FAIL (aliasing 1)\n");
            fmpz_print(a); flint_printf("\n\n");
            fmpz_print(b); flint_printf("\n\n");
            fmpz_print(c); flint_printf("\n\n");
            fmpz_print(d); flint_printf("\n\n");
            abort();
        }
        fmpz_randtest(a, state, 1 + n_randint(state, 200));

        fmpz_add(c, a, b);
        fmpz_add_inline(b, a, b);
        if (!fmpz_equal(c, b))
        {
            flint_printf("FAIL (aliasing 2)\n");
            fmpz_print(a); flint_printf("\n\n");
            fmpz_print(b); flint_printf("\n\n");
            fmpz_print(c); flint_printf("\n\n");
            fmpz_print(d); flint_printf("\n\n");
            abort();
        }

        fmpz_add(d, a, a);
        fmpz_add_inline(c, a, a);
        if (!fmpz_equal(c, d))
        {
            flint_printf("FAIL (aliasing 3)\n");
            fmpz_print(a); flint_printf("\n\n");
            fmpz_print(b); flint_printf("\n\n");
            fmpz_print(c); flint_printf("\n\n");
            fmpz_print(d); flint_printf("\n\n");
            abort();
        }

        fmpz_add(d, a, a);
        fmpz_add_inline(a, a, a);
        if (!fmpz_equal(d, a))
        {
            flint_printf("FAIL (aliasing 4)\n");
            fmpz_print(a); flint_printf("\n\n");
            fmpz_print(b); flint_printf("\n\n");
            fmpz_print(c); flint_printf("\n\n");
            fmpz_print(d); flint_printf("\n\n");
            abort();
        }

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

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}
Пример #24
0
int
main(void)
{
    int i, result;
    flint_rand_t state;

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

    flint_randinit(state);

    /* Check aliasing */
    for (i = 0; i < 100; i++)
    {
        int ans1, ans2;
        mpq_t a, b;
        fmpz_t num, den;
        fmpz_poly_q_t f;

        mpq_init(a);
        mpq_init(b);
        fmpz_init(num);
        fmpz_init(den);
        fmpz_poly_q_init(f);
        fmpz_poly_q_randtest(f, state, n_randint(state, 10), 10, n_randint(state, 10), 10);

        fmpz_randtest(num, state, 50);
        fmpz_randtest_not_zero(den, state, 50);
        fmpz_get_mpz(mpq_numref(a), num);
        fmpz_get_mpz(mpq_denref(a), den);
        mpq_canonicalize(a);

        ans1 = fmpz_poly_q_evaluate(b, f, a);
        ans2 = fmpz_poly_q_evaluate(a, f, a);

        result = (ans1 == ans2) && mpq_equal(a, b);
        if (!result)
        {
            printf("FAIL:\n");
            printf("f = "), fmpz_poly_q_print(f), printf("\n");
            printf("num = "), fmpz_print(num), printf("\n");
            printf("den = "), fmpz_print(den), printf("\n");
            gmp_printf("a = %Qd\n", a);
            gmp_printf("b = %Qd\n", b);
            printf("ans1 = %d\n", ans1);
            printf("ans2 = %d\n", ans2);
            abort();
        }

        mpq_clear(a);
        mpq_clear(b);
        fmpz_clear(num);
        fmpz_clear(den);
        fmpz_poly_q_clear(f);
    }

    flint_randclear(state);
    _fmpz_cleanup();
    printf("PASS\n");
    return EXIT_SUCCESS;
}
Пример #25
0
int main()
{
    slong iter;
    flint_rand_t state;

    flint_printf("mul_2exp_fmpz....");
    fflush(stdout);

    flint_randinit(state);

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

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

        fmpz_init(e);

        mag_init(xb);
        mag_init(yb);

        mag_randtest_special(xb, state, 100);
        fmpz_randtest(e, state, 100);
        mag_get_fmpr(x, xb);

        mag_mul_2exp_fmpz(yb, xb, e);

        fmpr_mul_2exp_fmpz(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);

        fmpz_clear(e);
    }

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}
Пример #26
0
int main()
{
    slong iter;
    flint_rand_t state;

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

    flint_randinit(state);

    {
        arf_t x, y, z;

        arf_init(x);
        arf_init(y);
        arf_init(z);

        for (iter = 0; iter < 100000 * arb_test_multiplier(); iter++)
        {
            slong bits1, bits2;
            int ret1, ret2;
            mpfr_t g1, g2;
            fmpz_t e;
            arf_rnd_t rnd;

            bits1 = 1 + n_randint(state, 1000);
            bits2 = 2 + n_randint(state, 1000);

            if (n_randint(state, 100) == 0)
                bits2 = ARF_PREC_EXACT;

            switch (n_randint(state, 5))
            {
                case 0: rnd = ARF_RND_DOWN; break;
                case 1: rnd = ARF_RND_UP; break;
                case 2: rnd = ARF_RND_FLOOR; break;
                case 3: rnd = ARF_RND_CEIL; break;
                default: rnd = ARF_RND_NEAR; break;
            }

            fmpz_init(e);
            mpfr_init2(g1, FLINT_MAX(2, bits1));
            mpfr_init2(g2, FLINT_MIN(bits2, 10000));

            if (n_randint(state, 100) == 0)
            {
                arf_clear(x); arf_clear(y); arf_clear(z);
                arf_init(x); arf_init(y); arf_init(z);
            }

            /* dirty output variables */
            if (n_randint(state, 2))
            {
                arf_randtest_special(y, state, 1 + n_randint(state, 1000),
                    1 + n_randint(state, 100));
                arf_randtest_special(z, state, 1 + n_randint(state, 1000),
                    1 + n_randint(state, 100));
            }

            arf_randtest_special(x, state, bits1, 1 + n_randint(state, 10));
            arf_get_mpfr(g1, x, MPFR_RNDD); /* exact */

            /* test large exponents */
            if (n_randint(state, 4) == 0)
                fmpz_randtest(e, state, 1 + n_randint(state, 100));

            if (!arf_is_special(x))
                fmpz_add(ARF_EXPREF(x), ARF_EXPREF(x), e);

            ret1 = arf_set_round(y, x, bits2, rnd);
            ret2 = mpfr_set(g2, g1, arf_rnd_to_mpfr(rnd));
            arf_set_mpfr(z, g2);

            if (!arf_is_special(y))
                fmpz_sub(ARF_EXPREF(y), ARF_EXPREF(y), e);

            if (!arf_equal(y, z) || ((ret1 == ARF_RESULT_EXACT) != (ret2 == 0)))
            {
                flint_printf("FAIL\n\n");
                flint_printf("bits1: %wd\n", bits1);
                flint_printf("bits2: %wd\n", bits2);
                flint_printf("x = "); arf_print(x); flint_printf("\n\n");
                flint_printf("y = "); arf_print(y); flint_printf("\n\n");
                flint_printf("z = "); arf_print(z); flint_printf("\n\n");
                flint_printf("ret1 = %d, ret2 = %d\n\n", ret1, ret2);
                flint_abort();
            }

            if (!arf_is_special(x))
                fmpz_add(ARF_EXPREF(x), ARF_EXPREF(x), e);

            ret1 = arf_set_round(y, x, bits2, rnd);
            arf_set(z, x);
            ret2 = arf_set_round(z, z, bits2, rnd);

            if (!arf_equal(y, z) || ret1 != ret2)
            {
                flint_printf("FAIL (aliasing)\n\n");
                flint_printf("bits1: %wd\n", bits1);
                flint_printf("bits2: %wd\n", bits2);
                flint_printf("x = "); arf_print(x); flint_printf("\n\n");
                flint_printf("y = "); arf_print(y); flint_printf("\n\n");
                flint_printf("z = "); arf_print(z); flint_printf("\n\n");
                flint_printf("ret1 = %d, ret2 = %d\n\n", ret1, ret2);
                flint_abort();
            }

            mpfr_clear(g1);
            mpfr_clear(g2);
            fmpz_clear(e);
        }

        arf_clear(x);
        arf_clear(y);
        arf_clear(z);
    }

    flint_randclear(state);
    flint_cleanup();
    flint_printf("PASS\n");
    return EXIT_SUCCESS;
}
Пример #27
0
int main()
{
    long iter;
    flint_rand_t state;

    printf("set_round_ui_2exp_fmpz....");
    fflush(stdout);

    flint_randinit(state);

    for (iter = 0; iter < 100000; iter++)
    {
        long prec, ret1, ret2;
        fmpz_t man, exp;
        fmpr_t x, y;
        mp_limb_t lo;
        fmpr_rnd_t rnd;
        int negative;

        fmpz_init(man);
        fmpz_init(exp);
        fmpr_init(x);
        fmpr_init(y);

        prec = 2 + n_randint(state, 1000);
        if (n_randint(state, 10) == 0)
            prec = FMPR_PREC_EXACT;

        negative = n_randint(state, 2);
        lo = n_randtest(state);
        fmpz_randtest(exp, state, 1 + n_randint(state, 100));
        if (negative)
            fmpz_neg_ui(man, lo);
        else
            fmpz_set_ui(man, lo);

        switch (n_randint(state, 4))
        {
            case 0: rnd = FMPR_RND_DOWN; break;
            case 1: rnd = FMPR_RND_UP; break;
            case 2: rnd = FMPR_RND_FLOOR; break;
            default: rnd = FMPR_RND_CEIL; break;
        }

        ret1 = fmpr_set_round_ui_2exp_fmpz(x, lo, exp, negative, prec, rnd);

        fmpr_set_fmpz_2exp(y, man, exp);
        ret2 = fmpr_set_round(y, y, prec, rnd);

        if (!fmpr_equal(x, y) || ret1 != ret2 ||
            !fmpr_check_ulp(x, ret1, prec) || !fmpr_check_ulp(y, ret2, prec))
        {
            printf("FAIL\n\n");
            printf("prec: %ld\n", prec);
            printf("man = "); fmpz_print(man); printf("\n\n");
            printf("exp = "); fmpz_print(exp); printf("\n\n");
            printf("x = "); fmpr_print(x); printf("\n\n");
            printf("y = "); fmpr_print(y); printf("\n\n");
            printf("ret1 = %ld, ret2 = %ld\n\n", ret1, ret2);
            abort();
        }

        fmpz_clear(man);
        fmpz_clear(exp);
        fmpr_clear(x);
        fmpr_clear(y);
    }

    flint_randclear(state);
    flint_cleanup();
    printf("PASS\n");
    return EXIT_SUCCESS;
}
Пример #28
0
int
main(void)
{
    int i, result;
    flint_rand_t state;

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

    flint_randinit(state);

    /* Check aliasing */
    for (i = 0; i < 1000; i++)
    {
        fmpz_t a, b;
        fmpq_t x, y;
        fmpq_poly_t f;

        fmpz_init(a);
        fmpz_init(b);
        fmpq_init(x);
        fmpq_init(y);
        fmpq_poly_init(f);
        fmpq_poly_randtest(f, state, n_randint(state, 80), 100);
        fmpz_randtest(a, state, 80);
        fmpz_randtest_not_zero(b, state, 80);
        fmpz_set(fmpq_numref(x), a);
        fmpz_set(fmpq_denref(x), a);
        fmpq_canonicalise(x);

        fmpq_poly_evaluate_fmpq(y, f, x);
        fmpq_poly_evaluate_fmpq(x, f, x);

        result = (fmpq_equal(x, y));
        if (!result)
        {
            printf("FAIL:\n");
            fmpz_print(a), printf("\n\n");
            fmpz_print(b), printf("\n\n");
            fmpq_poly_debug(f), printf("\n\n");
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(b);
        fmpq_clear(x);
        fmpq_clear(y);
        fmpq_poly_clear(f);
    }

    /* Check that (f+g)(a) = f(a) + g(a) */
    for (i = 0; i < 1000; i++)
    {
        fmpz_t a, b;
        fmpq_t x, y, z;
        fmpq_poly_t f, g;

        fmpz_init(a);
        fmpz_init(b);
        fmpq_init(x);
        fmpq_init(y);
        fmpq_init(z);
        fmpq_poly_init(f);
        fmpq_poly_init(g);
        fmpq_poly_randtest(f, state, n_randint(state, 80), 100);
        fmpq_poly_randtest(g, state, n_randint(state, 80), 100);
        fmpz_randtest(a, state, 80);
        fmpz_randtest_not_zero(b, state, 80);
        fmpz_set(fmpq_numref(x), a);
        fmpz_set(fmpq_denref(x), a);
        fmpq_canonicalise(x);

        fmpq_poly_evaluate_fmpq(y, f, x);
        fmpq_poly_evaluate_fmpq(z, g, x);
        fmpq_add(y, y, z);
        fmpq_poly_add(f, f, g);
        fmpq_poly_evaluate_fmpq(z, f, x);

        result = (fmpq_equal(y, z));
        if (!result)
        {
            printf("FAIL:\n");
            fmpz_print(a), printf("\n\n");
            fmpz_print(b), printf("\n\n");
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(b);
        fmpq_clear(x);
        fmpq_clear(y);
        fmpq_clear(z);
        fmpq_poly_clear(f);
        fmpq_poly_clear(g);
    }

    /* Check that (f*g)(a) = f(a) * g(a) */
    for (i = 0; i < 1000; i++)
    {
        fmpz_t a, b;
        fmpq_t x, y, z;
        fmpq_poly_t f, g;

        fmpz_init(a);
        fmpz_init(b);
        fmpq_init(x);
        fmpq_init(y);
        fmpq_init(z);
        fmpq_poly_init(f);
        fmpq_poly_init(g);
        fmpq_poly_randtest(f, state, n_randint(state, 50), 80);
        fmpq_poly_randtest(g, state, n_randint(state, 50), 80);
        fmpz_randtest(a, state, 80);
        fmpz_randtest_not_zero(b, state, 80);
        fmpz_set(fmpq_numref(x), a);
        fmpz_set(fmpq_denref(x), a);
        fmpq_canonicalise(x);

        fmpq_poly_evaluate_fmpq(y, f, x);
        fmpq_poly_evaluate_fmpq(z, g, x);
        fmpq_mul(y, y, z);
        fmpq_poly_mul(f, f, g);
        fmpq_poly_evaluate_fmpq(z, f, x);

        result = (fmpq_equal(y, z));
        if (!result)
        {
            printf("FAIL:\n");
            fmpz_print(a), printf("\n\n");
            fmpz_print(b), printf("\n\n");
            abort();
        }

        fmpz_clear(a);
        fmpz_clear(b);
        fmpq_clear(x);
        fmpq_clear(y);
        fmpq_clear(z);
        fmpq_poly_clear(f);
        fmpq_poly_clear(g);
    }

    flint_randclear(state);
    _fmpz_cleanup();
    printf("PASS\n");
    return 0;
}
Пример #29
0
int
main(void)
{
    int i, result;
    FLINT_TEST_INIT(state);

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

    

    /* Check aliasing of a and b */
    for (i = 0; i < 1000 * flint_test_multiplier(); i++)
    {
        fmpz_poly_t a, b, c;
        fmpz_t x;

        fmpz_init(x);
        fmpz_poly_init(a);
        fmpz_poly_init(b);
        fmpz_poly_init(c);
        fmpz_randtest(x, state, n_randint(state, 100));
        fmpz_poly_randtest(a, state, n_randint(state, 100), 200);
        fmpz_poly_set(b, a);
        fmpz_poly_set(c, a);

        fmpz_poly_scalar_addmul_fmpz(b, a, x);
        fmpz_poly_scalar_addmul_fmpz(a, a, x);

        result = (fmpz_poly_equal(a, b));
        if (!result)
        {
            flint_printf("FAIL (1):\n");
            flint_printf("a = "), fmpz_poly_print(a), flint_printf("\n\n");
            flint_printf("b = "), fmpz_poly_print(b), flint_printf("\n\n");
            flint_printf("c = "), fmpz_poly_print(c), flint_printf("\n\n");
            flint_printf("x = "), fmpz_print(x), flint_printf("\n\n");
            abort();
        }

        fmpz_clear(x);
        fmpz_poly_clear(a);
        fmpz_poly_clear(b);
        fmpz_poly_clear(c);
    }

    /* Check that b += x*a is the same as c = b + x*a */
    for (i = 0; i < 1000 * flint_test_multiplier(); i++)
    {
        fmpz_poly_t a, b, c;
        fmpz_t x;

        fmpz_init(x);
        fmpz_poly_init(a);
        fmpz_poly_init(b);
        fmpz_poly_init(c);
        fmpz_randtest(x, state, n_randint(state, 100));
        fmpz_poly_randtest(a, state, n_randint(state, 100), 200);
        fmpz_poly_randtest(b, state, n_randint(state, 100), 200);

        fmpz_poly_scalar_mul_fmpz(c, a, x);
        fmpz_poly_add(c, b, c);

        fmpz_poly_scalar_addmul_fmpz(b, a, x);

        result = (fmpz_poly_equal(b, c));
        if (!result)
        {
            flint_printf("FAIL (2):\n");
            flint_printf("a = "), fmpz_poly_print(a), flint_printf("\n\n");
            flint_printf("b = "), fmpz_poly_print(b), flint_printf("\n\n");
            flint_printf("c = "), fmpz_poly_print(c), flint_printf("\n\n");
            flint_printf("x = "), fmpz_print(x), flint_printf("\n\n");
            abort();
        }

        fmpz_clear(x);
        fmpz_poly_clear(a);
        fmpz_poly_clear(b);
        fmpz_poly_clear(c);
    }

    FLINT_TEST_CLEANUP(state);
    
    flint_printf("PASS\n");
    return 0;
}
Пример #30
0
int main()
{
    slong iter;
    flint_rand_t state;

    flint_printf("get_mpn_fixed_mod_pi4....");
    fflush(stdout);

    flint_randinit(state);
    /* _flint_rand_init_gmp(state); */

    for (iter = 0; iter < 100000 * arb_test_multiplier(); iter++)
    {
        arf_t x;
        int octant;
        fmpz_t q;
        mp_ptr w;
        arb_t wb, t, u;
        mp_size_t wn;
        slong prec, prec2;
        int success;
        mp_limb_t error;

        prec = 2 + n_randint(state, 10000);
        wn = 1 + n_randint(state, 200);
        prec2 = FLINT_MAX(prec, wn * FLINT_BITS) + 100;

        arf_init(x);
        arb_init(wb);
        arb_init(t);
        arb_init(u);
        fmpz_init(q);
        w = flint_malloc(sizeof(mp_limb_t) * wn);

        arf_randtest(x, state, prec, 14);

        /* this should generate numbers close to multiples of pi/4 */
        if (n_randint(state, 4) == 0)
        {
            arb_const_pi(t, prec);
            arb_mul_2exp_si(t, t, -2);
            fmpz_randtest(q, state, 200);
            arb_mul_fmpz(t, t, q, prec);
            arf_add(x, x, arb_midref(t), prec, ARF_RND_DOWN);
        }

        arf_abs(x, x);

        success = _arb_get_mpn_fixed_mod_pi4(w, q, &octant, &error, x, wn);

        if (success)
        {
            /* could round differently */
            if (fmpz_fdiv_ui(q, 8) != octant)
            {
                flint_printf("bad octant\n");
                abort();
            }

            _arf_set_mpn_fixed(arb_midref(wb), w, wn, wn, 0, FLINT_BITS * wn, ARB_RND);
            mag_set_ui_2exp_si(arb_radref(wb), error, -FLINT_BITS * wn);

            arb_const_pi(u, prec2);
            arb_mul_2exp_si(u, u, -2);
            arb_set(t, wb);
            if (octant % 2 == 1)
                arb_sub(t, u, t, prec2);
            arb_addmul_fmpz(t, u, q, prec2);

            if (!arb_contains_arf(t, x))
            {
                flint_printf("FAIL (containment)\n");
                flint_printf("x = "); arf_printd(x, 50); flint_printf("\n\n");
                flint_printf("q = "); fmpz_print(q); flint_printf("\n\n");
                flint_printf("w = "); arb_printd(wb, 50); flint_printf("\n\n");
                flint_printf("t = "); arb_printd(t, 50); flint_printf("\n\n");
                abort();
            }

            arb_const_pi(t, prec2);
            arb_mul_2exp_si(t, t, -2);

            if (arf_sgn(arb_midref(wb)) < 0 ||
                arf_cmp(arb_midref(wb), arb_midref(t)) >= 0)
            {
                flint_printf("FAIL (expected 0 <= w < pi/4)\n");
                flint_printf("x = "); arf_printd(x, 50); flint_printf("\n\n");
                flint_printf("w = "); arb_printd(wb, 50); flint_printf("\n\n");
                abort();
            }
        }

        flint_free(w);
        fmpz_clear(q);
        arf_clear(x);
        arb_clear(wb);
        arb_clear(t);
        arb_clear(u);
    }

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