int main()
{
slong iter;
flint_rand_t state;
flint_printf("div....");
fflush(stdout);
flint_randinit(state);
for (iter = 0; iter < 100000 * arb_test_multiplier(); iter++)
{
arb_t a, b, c;
fmpq_t x, y, z;
arb_init(a);
arb_init(b);
arb_init(c);
fmpq_init(x);
fmpq_init(y);
fmpq_init(z);
do {
arb_randtest(a, state, 1 + n_randint(state, 200), 10);
arb_randtest(b, state, 1 + n_randint(state, 200), 10);
arb_randtest(c, state, 1 + n_randint(state, 200), 10);
arb_get_rand_fmpq(x, state, a, 1 + n_randint(state, 200));
arb_get_rand_fmpq(y, state, b, 1 + n_randint(state, 200));
} while (fmpq_is_zero(y));
arb_div(c, a, b, 2 + n_randint(state, 200));
fmpq_div(z, x, y);
if (!arb_contains_fmpq(c, z))
{
flint_printf("FAIL: containment\n\n");
flint_printf("a = "); arb_print(a); flint_printf("\n\n");
flint_printf("x = "); fmpq_print(x); flint_printf("\n\n");
flint_printf("b = "); arb_print(b); flint_printf("\n\n");
flint_printf("y = "); fmpq_print(y); flint_printf("\n\n");
flint_printf("c = "); arb_print(c); flint_printf("\n\n");
flint_printf("z = "); fmpq_print(z); flint_printf("\n\n");
abort();
}
arb_clear(a);
arb_clear(b);
arb_clear(c);
fmpq_clear(x);
fmpq_clear(y);
fmpq_clear(z);
}
/* aliasing of c and a */
for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
{
arb_t a, b;
fmpq_t x, y, z;
arb_init(a);
arb_init(b);
fmpq_init(x);
fmpq_init(y);
fmpq_init(z);
do {
arb_randtest(a, state, 1 + n_randint(state, 200), 10);
arb_randtest(b, state, 1 + n_randint(state, 200), 10);
arb_get_rand_fmpq(x, state, a, 1 + n_randint(state, 200));
arb_get_rand_fmpq(y, state, b, 1 + n_randint(state, 200));
} while (fmpq_is_zero(y));
arb_div(a, a, b, 2 + n_randint(state, 200));
fmpq_div(z, x, y);
if (!arb_contains_fmpq(a, z))
{
flint_printf("FAIL: aliasing (c, a)\n\n");
flint_printf("a = "); arb_print(a); flint_printf("\n\n");
flint_printf("x = "); fmpq_print(x); flint_printf("\n\n");
flint_printf("b = "); arb_print(b); flint_printf("\n\n");
flint_printf("y = "); fmpq_print(y); flint_printf("\n\n");
flint_printf("z = "); fmpq_print(z); flint_printf("\n\n");
abort();
}
arb_clear(a);
arb_clear(b);
fmpq_clear(x);
fmpq_clear(y);
fmpq_clear(z);
}
/* aliasing of c and b */
for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
{
arb_t a, b;
fmpq_t x, y, z;
arb_init(a);
arb_init(b);
fmpq_init(x);
fmpq_init(y);
fmpq_init(z);
do {
arb_randtest(a, state, 1 + n_randint(state, 200), 10);
arb_randtest(b, state, 1 + n_randint(state, 200), 10);
arb_get_rand_fmpq(x, state, a, 1 + n_randint(state, 200));
arb_get_rand_fmpq(y, state, b, 1 + n_randint(state, 200));
} while (fmpq_is_zero(y));
arb_div(b, a, b, 2 + n_randint(state, 200));
fmpq_div(z, x, y);
if (!arb_contains_fmpq(b, z))
{
flint_printf("FAIL: aliasing (c, b)\n\n");
flint_printf("a = "); arb_print(a); flint_printf("\n\n");
flint_printf("x = "); fmpq_print(x); flint_printf("\n\n");
flint_printf("b = "); arb_print(b); flint_printf("\n\n");
flint_printf("y = "); fmpq_print(y); flint_printf("\n\n");
flint_printf("z = "); fmpq_print(z); flint_printf("\n\n");
abort();
}
arb_clear(a);
arb_clear(b);
fmpq_clear(x);
fmpq_clear(y);
fmpq_clear(z);
}
/* test special values */
for (iter = 0; iter < 100000 * arb_test_multiplier(); iter++)
{
arb_t a, b, c, d;
arb_init(a);
arb_init(b);
arb_init(c);
arb_init(d);
arb_randtest_special(a, state, 1 + n_randint(state, 200), 1 + n_randint(state, 100));
arb_randtest_special(b, state, 1 + n_randint(state, 200), 1 + n_randint(state, 100));
arb_randtest_special(c, state, 1 + n_randint(state, 200), 1 + n_randint(state, 100));
arb_div(c, a, b, 2 + n_randint(state, 200));
arb_mul(d, c, b, 2 + n_randint(state, 200));
if (!arb_contains(d, a))
{
flint_printf("FAIL: containment\n\n");
flint_printf("a = "); arb_printd(a, 15); flint_printf("\n\n");
flint_printf("b = "); arb_printd(b, 15); flint_printf("\n\n");
flint_printf("c = "); arb_printd(c, 15); flint_printf("\n\n");
flint_printf("d = "); arb_printd(d, 15); flint_printf("\n\n");
abort();
}
arb_clear(a);
arb_clear(b);
arb_clear(c);
arb_clear(d);
}
flint_randclear(state);
flint_cleanup();
flint_printf("PASS\n");
return EXIT_SUCCESS;
}
int
main(void)
{
int i, result;
FLINT_TEST_INIT(state);
flint_printf("one....");
fflush(stdout);
/* x == 1 * x */
for (i = 0; i < 10000; i++)
{
fmpq_t x, y, z;
fmpq_init(x);
fmpq_init(y);
fmpq_init(z);
fmpq_randtest(x, state, 200);
fmpq_one(y);
fmpq_mul(z, y, x);
result = fmpq_is_canonical(z) && fmpq_equal(x, z);
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("x = "), fmpq_print(x), flint_printf("\n");
flint_printf("y = "), fmpq_print(y), flint_printf("\n");
flint_printf("z = "), fmpq_print(z), flint_printf("\n");
abort();
}
fmpq_clear(x);
fmpq_clear(y);
fmpq_clear(z);
}
/* x/x == 1 */
for (i = 0; i < 10000; i++)
{
fmpq_t x, y;
fmpq_init(x);
fmpq_init(y);
while (fmpq_is_zero(x))
fmpq_randtest(x, state, 200);
fmpq_div(y, x, x);
result = fmpq_is_canonical(y) && fmpq_is_one(y);
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("x = "), fmpq_print(x), flint_printf("\n");
flint_printf("y = "), fmpq_print(y), flint_printf("\n");
abort();
}
fmpq_clear(x);
fmpq_clear(y);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return EXIT_SUCCESS;
}
///@brief test doc
bool divide(ElementType& result, const ElementType& a, const ElementType& b) const {
if (is_zero(b)) return false;
fmpq_div(&result, &a, &b);
return true;
}
