to_f()是Ruby中的內置函數,返回浮點值
用法: rat.to_f()
參數:該函數不接受任何參數
返回值:返回浮點值
例子1:
#Ruby program for to_f() method
#Initialize rational number
rat1 = Rational(9, -2)
#Prints the rational number
puts rat1.to_f()
輸出:
-4.5
例子2:
#Ruby program for to_f() method
#Initialize rational number
rat1 = Rational(7)
#Prints the rational number
puts rat1.to_f()
輸出:
7.0
相關用法
- Ruby Rational abs()用法及代碼示例
- Ruby Rational quo()用法及代碼示例
- Ruby Rational to_i()用法及代碼示例
- Ruby Rational to_s()用法及代碼示例
- Ruby Rational rationalize()用法及代碼示例
- Ruby Rational round()用法及代碼示例
- Ruby Rational fdiv()用法及代碼示例
- Ruby Rational denominator()用法及代碼示例
- Ruby Rational ceil()用法及代碼示例
- Ruby Rational negative?()用法及代碼示例
- Ruby Rational positive?()用法及代碼示例
- Ruby Rational floor()用法及代碼示例
- Ruby Rational numerator()用法及代碼示例
注:本文由純淨天空篩選整理自gopaldave大神的英文原創作品 Ruby | Rational to_f() function。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。