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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
extern inline void libj2_j2i_xor_sign(struct libj2_j2i *a);
/* TODO Add man page */
#else
static uintmax_t
random_ju(void)
{
size_t n = LIBJ2_JU_BIT;
uintmax_t r = 0;
while (n--)
if (rand() < rand())
r |= (uintmax_t)1 << n;
return r;
}
static void
check(struct libj2_j2i *a)
{
struct libj2_j2i r, saved, x;
saved = *a;
r = (struct libj2_j2i){111, 222};
libj2_j2i_xor_sign_to_j2i((const struct libj2_j2i *)a, &r);
EXPECT(libj2_j2i_eq_j2i(a, &saved));
EXPECT(libj2_j2i_eq_j2i(&r, &saved));
r = (struct libj2_j2i){111, 222};
libj2_j2i_xor_sign_to_j2u((const struct libj2_j2i *)a, (struct libj2_j2u *)&r);
EXPECT(libj2_j2i_eq_j2i(a, &saved));
EXPECT(libj2_j2i_eq_j2i(&r, &saved));
r = *a;
libj2_j2i_xor_sign(&r);
EXPECT(libj2_j2i_eq_j2i(&r, &saved));
libj2_not_j2u((void *)a);
x = *a;
r = (struct libj2_j2i){111, 222};
libj2_j2i_xor_sign_to_j2i((const struct libj2_j2i *)a, &r);
EXPECT(libj2_j2i_eq_j2i(a, &x));
EXPECT(libj2_j2i_eq_j2i(&r, &saved));
r = (struct libj2_j2i){111, 222};
libj2_j2i_xor_sign_to_j2u((const struct libj2_j2i *)a, (struct libj2_j2u *)&r);
EXPECT(libj2_j2i_eq_j2i(a, &x));
EXPECT(libj2_j2i_eq_j2i(&r, &saved));
r = x;
libj2_j2i_xor_sign(&r);
EXPECT(libj2_j2i_eq_j2i(&r, &saved));
}
int
main(void)
{
struct libj2_j2i a;
unsigned i;
srand((unsigned)time(NULL));
for (i = 0; i < 256; i++) {
a.high = random_ju() >> 1;
a.low = random_ju();
check(&a);
a.high = random_ju() >> 1;
a.low = 0;
check(&a);
a.high = 0;
a.low = random_ju();
check(&a);
a.high = random_ju() >> 1;
a.low = UINTMAX_MAX;
check(&a);
a.high = random_ju() >> 1;
a.low = 1;
check(&a);
a.high = 1U;
a.low = random_ju();
check(&a);
a.high = UINTMAX_MAX >> 1;
a.low = random_ju();
check(&a);
}
a.high = 0;
a.low = 0;
check(&a);
a.high = UINTMAX_MAX >> 1;
a.low = UINTMAX_MAX;
check(&a);
return 0;
}
#endif
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