C++ (Cpp) fmpq_sub示例

示例#1

文件： t-overlaps.c 项目： fredrik-johansson/arb

int main()
{
    slong iter;
    flint_rand_t state;

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

    flint_randinit(state);

    for (iter = 0; iter < 100000 * arb_test_multiplier(); iter++)
    {
        arb_t a, b;
        fmpq_t am, ar, bm, br, t, u;
        int c1, c2;

        arb_init(a);
        arb_init(b);

        fmpq_init(am);
        fmpq_init(ar);
        fmpq_init(bm);
        fmpq_init(br);
        fmpq_init(t);
        fmpq_init(u);

        arb_randtest(a, state, 1 + n_randint(state, 500), 14);
        arb_randtest(b, state, 1 + n_randint(state, 500), 14);

        arf_get_fmpq(am, arb_midref(a));
        mag_get_fmpq(ar, arb_radref(a));
        arf_get_fmpq(bm, arb_midref(b));
        mag_get_fmpq(br, arb_radref(b));

        fmpq_sub(t, am, bm);
        fmpz_abs(fmpq_numref(t), fmpq_numref(t));
        fmpq_add(u, ar, br);

        c1 = arb_overlaps(a, b);

        c2 = (fmpq_cmp(t, u) <= 0);

        if (c1 != c2)
        {
            flint_printf("FAIL:\n\n");
            flint_printf("a = "); arb_print(a); flint_printf("\n\n");
            flint_printf("b = "); arb_print(b); flint_printf("\n\n");
            flint_printf("am = "); fmpq_print(am); flint_printf("\n\n");
            flint_printf("ar = "); fmpq_print(ar); flint_printf("\n\n");
            flint_printf("bm = "); fmpq_print(bm); flint_printf("\n\n");
            flint_printf("br = "); fmpq_print(br); flint_printf("\n\n");
            flint_printf("t = "); fmpq_print(t); flint_printf("\n\n");
            flint_printf("u = "); fmpq_print(u); flint_printf("\n\n");
            flint_printf("c1 = %d, c2 = %d\n\n", c1, c2);
            flint_abort();
        }

        arb_clear(a);
        arb_clear(b);

        fmpq_clear(am);
        fmpq_clear(ar);
        fmpq_clear(bm);
        fmpq_clear(br);
        fmpq_clear(t);
        fmpq_clear(u);
    }

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

示例#2

int main()
{
    slong iter;
    flint_rand_t state;

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

    flint_randinit(state);

    for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
    {
        arb_t a;
        arf_t b;
        fmpq_t am, ar, bm, t;
        int c1, c2;

        arb_init(a);
        arf_init(b);

        fmpq_init(am);
        fmpq_init(ar);
        fmpq_init(bm);
        fmpq_init(t);

        arb_randtest(a, state, 1 + n_randint(state, 500), 14);
        arf_randtest(b, state, 1 + n_randint(state, 500), 14);

        arf_get_fmpq(am, arb_midref(a));
        mag_get_fmpq(ar, arb_radref(a));
        arf_get_fmpq(bm, b);

        c1 = arb_contains_arf(a, b);

        fmpq_sub(t, am, ar);
        c2 = fmpq_cmp(t, bm) <= 0;

        fmpq_add(t, am, ar);
        c2 = c2 && (fmpq_cmp(t, bm) >= 0);

        if (c1 != c2)
        {
            flint_printf("FAIL:\n\n");
            flint_printf("a = "); arb_print(a); flint_printf("\n\n");
            flint_printf("b = "); arf_print(b); flint_printf("\n\n");
            flint_printf("am = "); fmpq_print(am); flint_printf("\n\n");
            flint_printf("ar = "); fmpq_print(ar); flint_printf("\n\n");
            flint_printf("bm = "); fmpq_print(bm); flint_printf("\n\n");
            flint_printf("t = "); fmpq_print(t); flint_printf("\n\n");
            flint_printf("c1 = %d, c2 = %d\n\n", c1, c2);
            abort();
        }

        arb_clear(a);
        arf_clear(b);

        fmpq_clear(am);
        fmpq_clear(ar);
        fmpq_clear(bm);
        fmpq_clear(t);
    }

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

示例#3

文件： aring-qq-flint.hpp 项目： ajagekarakshay/M2

 void subtract(ElementType& result, const ElementType& a, const ElementType& b) const {fmpq_sub(&result,&a,&b);}