C++ (Cpp) fmpz_poly_q_scalar_div_si示例

示例#1

文件： t-all.c 项目： clear731/lattice

void test_scalar_div_si(char * in, slong x, char * out)
{
    int ans;
    fmpz_poly_q_t rop, op;
    char * res;
    
    fmpz_poly_q_init(op);
    fmpz_poly_q_set_str(op, in);
    
    fmpz_poly_q_init(rop);
    fmpz_poly_q_scalar_div_si(rop, op, x);
    
    res = fmpz_poly_q_get_str(rop);
    ans = !strcmp(out, res);
    
    if (!ans)
    {
        flint_printf("test_scalar_div_si: failed\n");
        flint_printf("    Expected \"%s\", got \"%s\"\n", out, res);
        abort();
    }
    
    fmpz_poly_q_clear(op);
    fmpz_poly_q_clear(rop);
    flint_free(res);
}

示例#2

文件： t-scalar_div_si.c 项目： goens/flint2

int
main(void)
{
    int i, result;
    flint_rand_t state;

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

    flint_randinit(state);

    /* Check aliasing of a and b */
    for (i = 0; i < 100; i++)
    {
        fmpz_poly_q_t a, b;
        long x;

        fmpz_poly_q_init(a);
        fmpz_poly_q_init(b);
        fmpz_poly_q_randtest(b, state, n_randint(state, 50), 50, n_randint(state, 50), 50);
        x = z_randtest_not_zero(state);

        fmpz_poly_q_scalar_div_si(a, b, x);
        fmpz_poly_q_scalar_div_si(b, b, x);

        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);
    }

    /* Check that (a + b) / x == a / x + b / x */
    for (i = 0; i < 100; i++)
    {
        fmpz_poly_q_t a, b, c, d;
        long x;

        fmpz_poly_q_init(a);
        fmpz_poly_q_init(b);
        fmpz_poly_q_init(c);
        fmpz_poly_q_init(d);

        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);

        x = z_randtest_not_zero(state);

        fmpz_poly_q_scalar_div_si(c, a, x);
        fmpz_poly_q_scalar_div_si(d, b, x);
        fmpz_poly_q_add(d, c, d);

        fmpz_poly_q_add(c, a, b);
        fmpz_poly_q_scalar_div_si(c, c, x);

        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");
            printf("x = %ld\n\n", x);
            abort();
        }

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

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