Ruby 整数 to_d()函数与示例
Ruby 中的to_d函数将 int 的值转换为 BigDecimal。
Syntax: number.to_d
Parameter: The function takes the integer which is to be converted to BigDecimal.
Return Value: The function returns the BigDecimal value of int.
示例 #1:
# Ruby program for to_d function
require 'bigdecimal'
require 'bigdecimal/util'
# Initializing the number
num1 = 5
num2 = 10 ** 100
num3 = 1678
num4 = 189790
# Prints the int as big-decimal
puts num1.to_d
puts num2.to_d
puts num3.to_d
puts num4.to_d
输出:
0.5e1
0.1e101
0.1678e4
0.18979e6
示例 #2:
# Ruby program for to_d function
require 'bigdecimal'
require 'bigdecimal/util'
# Initializing the number
num1 = 5
num2 = 19**18
num3 = 2**45
num4 = 888
# Prints the int as big-decimal
puts num1.to_d
puts num2.to_d
puts num3.to_d
puts num4.to_d
输出:
0.5e1
0.104127350297911241532841e24
0.35184372088832e14
0.888e3