圆形双到顶 - C#

Question

我有一个像1,01这样的双号,当它供过于求时我想把它变成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);