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public class Main { public static void main(String[] args) { System.out.println(Math.log1p(6)); System.out.println(Math.log1p(Math.E)); System.out.println(Math.log1p(2)); System.out.println(Math.log1p(1)); System.out.println(Math.log1p(0)); System.out.println(Math.log1p(-1)); } }
1.9459101490553132
1.3132616875182228
1.0986122886681096
0.6931471805599453
0.0
-无穷大
