Ejemplo n.º 1
0
int
main(void)
{
    int i, result;
    ulong cflags = UWORD(0);

    FLINT_TEST_INIT(state);

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

    /* Check aliasing of a and c */
    for (i = 0; i < 20 * flint_test_multiplier(); i++)
    {
        fmpq_poly_t a, b;
        slong n = n_randint(state, 50) + 1;

        fmpq_poly_init(a);
        fmpq_poly_init(b);

        fmpq_poly_randtest_not_zero(a, state, n_randint(state, 50) + 1, 50);
        fmpq_poly_set_coeff_ui(a, 0, UWORD(0));

        fmpq_poly_canonicalise(a);

        fmpq_poly_asinh_series(b, a, n);
        fmpq_poly_asinh_series(a, a, n);

        cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
        cflags |= fmpq_poly_is_canonical(b) ? 0 : 2;
        result = (fmpq_poly_equal(a, b) && !cflags);
        if (!result)
        {
            flint_printf("FAIL:\n");
            fmpq_poly_debug(a), flint_printf("\n\n");
            fmpq_poly_debug(b), flint_printf("\n\n");
            flint_printf("cflags = %wu\n\n", cflags);
            abort();
        }

        fmpq_poly_clear(a);
        fmpq_poly_clear(b);
    }

    /* Check asinh(A) = atanh(A/sqrt(1+A^2)) */
    for (i = 0; i < 20 * flint_test_multiplier(); i++)
    {
        fmpq_poly_t A, B, asinhA, atanhB;
        slong n = n_randint(state, 80) + 1;

        fmpq_poly_init(A);
        fmpq_poly_init(B);
        fmpq_poly_init(asinhA);
        fmpq_poly_init(atanhB);

        fmpq_poly_randtest_not_zero(A, state, n_randint(state, 80) + 1, 80);
        fmpq_poly_set_coeff_ui(A, 0, UWORD(0));

        fmpq_poly_mullow(B, A, A, n);
        fmpq_poly_set_coeff_ui(B, 0, UWORD(1));
        fmpq_poly_invsqrt_series(B, B, n);
        fmpq_poly_mullow(B, A, B, n);

        fmpq_poly_asinh_series(asinhA, A, n);
        fmpq_poly_atanh_series(atanhB, B, n);

        cflags |= fmpq_poly_is_canonical(asinhA) ? 0 : 1;
        cflags |= fmpq_poly_is_canonical(atanhB) ? 0 : 2;
        result = (fmpq_poly_equal(asinhA, atanhB) && !cflags);
        if (!result)
        {
            flint_printf("FAIL:\n");
            flint_printf("A = "), fmpq_poly_debug(A), flint_printf("\n\n");
            flint_printf("B = "), fmpq_poly_debug(B), flint_printf("\n\n");
            flint_printf("asinh(A) = "), fmpq_poly_debug(asinhA), flint_printf("\n\n");
            flint_printf("atanh(B) = "), fmpq_poly_debug(atanhB), flint_printf("\n\n");
            flint_printf("cflags = %wu\n\n", cflags);
            abort();
        }

        fmpq_poly_clear(A);
        fmpq_poly_clear(B);
        fmpq_poly_clear(asinhA);
        fmpq_poly_clear(atanhB);
    }

    FLINT_TEST_CLEANUP(state);
    
    flint_printf("PASS\n");
    return 0;
}
Ejemplo n.º 2
0
int
main(void)
{
    int i, result;
    flint_rand_t state;
    ulong cflags = 0UL;

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

    flint_randinit(state);

    /* Check aliasing of a and c */
    for (i = 0; i < 200; i++)
    {
        fmpq_poly_t a, b;
        long n = n_randint(state, 50) + 1;

        fmpq_poly_init(a);
        fmpq_poly_init(b);

        fmpq_poly_randtest_not_zero(a, state, n_randint(state, 50) + 1, 50);
        fmpq_poly_set_coeff_ui(a, 0, 0UL);

        fmpq_poly_canonicalise(a);

        fmpq_poly_sinh_series(b, a, n);
        fmpq_poly_sinh_series(a, a, n);

        cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
        cflags |= fmpq_poly_is_canonical(b) ? 0 : 2;
        result = (fmpq_poly_equal(a, b) && !cflags);
        if (!result)
        {
            printf("FAIL:\n");
            fmpq_poly_debug(a), printf("\n\n");
            fmpq_poly_debug(b), printf("\n\n");
            printf("cflags = %lu\n\n", cflags);
            abort();
        }

        fmpq_poly_clear(a);
        fmpq_poly_clear(b);
    }

    /* Check asinh(sinh(a)) = a */
    for (i = 0; i < 200; i++)
    {
        fmpq_poly_t a, sinha, asinhsinha;
        long n = n_randint(state, 80) + 1;

        fmpq_poly_init(a);
        fmpq_poly_init(sinha);
        fmpq_poly_init(asinhsinha);

        fmpq_poly_randtest_not_zero(a, state, n_randint(state, 60) + 1, 80);
        fmpq_poly_set_coeff_ui(a, 0, 0UL);

        fmpq_poly_sinh_series(sinha, a, n);
        fmpq_poly_asinh_series(asinhsinha, sinha, n);
        fmpq_poly_truncate(a, n);

        cflags |= fmpq_poly_is_canonical(sinha) ? 0 : 1;
        cflags |= fmpq_poly_is_canonical(asinhsinha) ? 0 : 2;
        result = (fmpq_poly_equal(asinhsinha, a) && !cflags);
        if (!result)
        {
            printf("FAIL:\n");
            printf("a = "), fmpq_poly_debug(a), printf("\n\n");
            printf("sinh(a) = "), fmpq_poly_debug(sinha), printf("\n\n");
            printf("asinh(sinh(a)) = "), fmpq_poly_debug(asinhsinha), printf("\n\n");
            printf("cflags = %lu\n\n", cflags);
            abort();
        }

        fmpq_poly_clear(a);
        fmpq_poly_clear(sinha);
        fmpq_poly_clear(asinhsinha);
    }

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