Ruby Float positive()用法及代碼示例

浮點數positive()是一個浮點類方法，用於檢查浮點值是否為正。

用法：float.positive()

參數：要檢查的浮點值

返回：布爾值返回true-如果值是正數，則返回false-如果值是負數

範例1：

# Ruby program for positive() method 
  
# Initialing value 
a = -100.7 - 10.4
b = -100 * 2000.0
c = (22 + 7.1) * 4
  
# Printing result 
puts "a is positive:#{a.positive?}\n\n"
puts "b is positive:#{b.positive?}\n\n"
puts "c is positive:#{c.positive?}\n\n"

輸出：

a is positive:false

b is positive:false

c is positive:true

範例2：

# Ruby code for positive() method 
  
# Initializing value  
a = -56.23333333
b = 10000.0
c = -(22 + 7.1) 
  
# Printing result 
puts "a is positive:#{a.positive?}\n\n"
puts "b is positive:#{b.positive?}\n\n"
puts "c is positive:#{c.positive?}\n\n"

輸出：

a is positive:false

b is positive:true

c is positive:false

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 positive() 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。