public Xint toPowerOf(int n) {
cnt.sqr++;
return new Xint(ApintMath.pow(api, n));
}
public Xint shiftLeft(int b) {
cnt.lsh++;
return new Xint(ApintMath.scale(api, b));
}
public Xint gcd(Xint b) {
return new Xint(ApintMath.gcd(api, b.api));
}