Ruby Float rationalize()用法及代碼示例

浮點數rationalize()是一個浮點類方法，它返回浮點值的簡單有理形式(p /q)。

用法： float.rationalize()

參數：浮點值作為參數

返回：簡單近似值

範例1：

# Ruby program for rationalize() method 
  
# Initialize value 
a = 0.767
b = 2999.011
  
# Printing result 
puts "Rationalizing a:#{a.rationalize}\n\n"
puts "Rationalizing b:#{b.rationalize}\n\n"

輸出：

Rationalizing a:767/1000

Rationalizing b:2999011/1000

範例2：

# Ruby code for rationalize() method 
  
# Initialize value 
a = 0.767
b = 2999.011
c = 2.0000
  
# Printing result 
puts "Rationalizing a:#{a.rationalize(0.01)}\n\n"
puts "Rationalizing b:#{b.rationalize(0.00001)}\n\n"
puts "Rationalizing c:#{c.rationalize(0.1)}\n\n"

輸出：

Rationalizing a:10/13

Rationalizing b:1634461/545

Rationalizing c:2/1

相關用法

注：本文由純淨天空篩選整理自mayank5326大神的英文原創作品 Ruby Float rationalize() method with example。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。