红宝石 |有理rationalize()函数

如果给定可选参数 eps (rat-|eps| <= result <= rat+|eps|)，则rationalize()是 Ruby 中的内置函数，否则返回其自身。

Syntax: rat.rationalize(eps)

Parameters: The function accepts a single optional parameter

Return Value: It returns a simpler approximation of the value if the optional argument eps is given (rat-|eps| <= result <= rat+|eps|) otherwise returns its self

示例 1 ：

# Ruby program for rationalize() method
  
# Initialize rational number
rat1 = Rational(123, 456)
  
# Prints the rational number
puts rat1.rationalize

输出：

41/152

示例 2 ：

# Ruby program for rationalize() method
  
# Initialize rational number
rat1 = Rational(123, 456)
  
# Prints the rational number
puts rat1.rationalize(Rational('.001'))

输出：

7/26