圆形双到顶 - C＃

Question

我有一个像1,01这样的双号，我想在供过于求时把它变成2？

double number1 = 1,01
double number2 = 1,1
double number3 = 1,00000001

这些必须是2

Answer 1

double roundedUp = Math.Ceiling(number);