| private static makeTwosComplement ( uint d ) : uint[] | ||
| d | uint | |
| 리턴 | uint[] | |
private static uint[] makeTwosComplement(uint[] d) {
// first do complement and +1 as long as carry is needed
int i = 0;
uint v = 0;
for (; i < d.Length; i++) {
v = ~d[i] + 1;
d[i] = v;
if (v != 0) { i++; break; }
}
if (v != 0) {
// now ones complement is sufficient
for (; i < d.Length; i++) {
d[i] = ~d[i];
}
} else {
//??? this is weird
d = resize(d, d.Length + 1);
d[d.Length - 1] = 1;
}
return d;
}