MESSAGE IN A BOTTLE Wiki*GMP（GNU Multi Precision）のC#クラス置き場 BigInteger BigFloat 有効桁数の確認だけの例 BigInteger b1 = new BigInteger("100000000000000000000000000000000000000000000000000000000000"); BigInteger b2 = new BigInteger("1"); BigInteger b3 = b1 - b2; Console.WriteLine(b3); BigFloat f1 = new BigFloat("999999999999999999999999999999999.9999999999"); BigFloat f2 = new BigFloat("0.1"); BigFloat f3 = f1 + f2; Console.WriteLine(f
