Decimal#is_finite():is_finite()是Decimal类方法,用于检查Decimal值是否为有限值。
用法:Decimal.is_finite()
参数:十进制值
返回:true –如果Decimal值是有限值;否则为假
代码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())
输出:
Decimal value a : -1 Decimal value b : -Infinity Decimal a with is_finite() method : True Decimal b with is_finite() method : False
代码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())
输出:
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
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