Python Decimal is_finite()用法及代碼示例

Decimal＃is_finite()：is_finite()是Decimal類方法，用於檢查Decimal值是否為有限值。

用法：Decimal.is_finite()

參數：十進製值

返回：true –如果Decimal值是有限值；否則為假

代碼1：is_finite()方法示例

# Python Program explaining  
# is_finite() method 
  
# loading decimal library 
from decimal import *
  
  
# Initializing a decimal value 
a = Decimal(-1) 
  
b = Decimal('-inf') 
  
# printing Decimal values 
print ("Decimal value a : ", a) 
print ("Decimal value b : ", b) 
  
  
# Using Decimal.is_finite() method 
print ("\n\nDecimal a with is_finite() method : ", a.is_finite()) 
  
print ("Decimal b with is_finite() method : ", b.is_finite())

輸出：

Decimal value a :  -1
Decimal value b :  -Infinity


Decimal a with is_finite() method :  True
Decimal b with is_finite() method :  False

代碼2：is_finite()方法的示例

# Python Program explaining  
# is_finite() method 
  
# loading decimal library 
from decimal import *
  
  
# Initializing a decimal value 
a = Decimal('-3.14') 
  
b = Decimal('321e + 5') 
  
# printing Decimal values 
print ("Decimal value a : ", a) 
print ("Decimal value b : ", b) 
  
  
# Using Decimal.is_finite() method 
print ("\n\nDecimal a with is_finite() method : ", a.is_finite()) 
  
print ("Decimal b with is_finite() method : ", b.is_finite())

輸出：

Decimal value a :  -3.14
Decimal value b :  3.21E+7


Decimal a with is_finite() method :  True
Decimal b with is_finite() method :  True

相關用法

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