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/* See LICENSE file for copyright and license details. */
#include "internals.h"
void
znot(z_t a, z_t b)
{
size_t bits, i;
if (EXPECT(zzero(b), 0)) {
SET_SIGNUM(a, 0);
return;
}
bits = zbits(b);
a->used = b->used;
SET_SIGNUM(a, -zsignum(b));
for (i = 0; i < a->used; i++)
a->chars[i] = ~(b->chars[i]);
bits = BITS_IN_LAST_CHAR(bits);
if (bits)
a->chars[a->used - 1] &= ((zahl_char_t)1 << bits) - 1;
TRIM(a);
if (!a->used)
SET_SIGNUM(a, 0);
}
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