Python | Decimal is_normal()方法
原文:https://www . geesforgeks . org/python-decimal-is _ normal-method/
Decimal # is _ normal():is _ normal()是 Decimal 类方法，检查 Decimal 值是否为正常的有限数。
语法: Decimal.is_normal()
参数:十进制值
返回:true–如果十进制值是正常的有限数字；否则为假
代码# 1:is _ normal()方法示例
# Python Program explaining
# is_normal() 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_normal() method
print ("\n\nDecimal a with is_normal() method : ", a.is_normal())
print ("Decimal b with is_normal() method : ", b.is_normal())
输出:
Decimal value a : -1
Decimal value b : -Infinity
Decimal a with is_normal() method : True
Decimal b with is_normal() method : False
代码# 2:is _ normal()方法示例
# Python Program explaining
# is_normal() 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_normal() method
print ("\n\nDecimal a with is_normal() method : ", a.is_normal())
print ("Decimal b with is_normal() method : ", b.is_normal())
输出:
Decimal value a : -3.14
Decimal value b : 3.21E+7
Decimal a with is_normal() method : True
Decimal b with is_normal() method : True
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