public void testMulc() {
BigNum2 a = new BigNum2(STR);
BigNum2 b = new BigNum2(STR);
long st = System.currentTimeMillis();
for (int i = 0; i < MAX_CNT2; i++) {
b = b.multiply(a);
}
long ed = System.currentTimeMillis() - st;
System.out.println(b + ":" + ed + "ms");
a = null;
b = null;
}
