Python | Decimal compare _ signal()方法
原文:https://www . geesforgeks . org/python-decimal-compare _ signal-method/
十进制# compare _ signal():compare _ signal()是一种十进制类方法，用于比较除 NaN 值之外的两个十进制值。
语法:Decimal . compare _ signal() 参数:十进制值 返回: 1–如果 a>b -1–如果 a<b 0–如果 a = b
代码# 1:compare _ signal()方法示例
Python 3
# Python Program explaining
# compare_signal() method
# loading decimal library
from decimal import *
# Initializing a decimal value
a = Decimal('0.142857')
b = Decimal(-1)
# printing Decimal values
print ("Decimal value a : ", a)
print ("Decimal value b : ", b)
# Using Decimal.compare_signal() method
print ("\n\nDecimal a with compare_signal() method : ", a.compare_signal(a))
print ("Decimal a with compare_signal() method : ", a.compare_signal(b))
print ("Decimal b with compare_signal() method : ", b.compare_signal(a))
输出:
Decimal value a : 0.142857
Decimal value b : -1
Decimal a with compare_signal() method : 0
Decimal a with compare_signal() method : 1
Decimal b with compare_signal() method : -1
代码# 2:compare _ signal()方法示例
Python 3
# Python Program explaining
# compare_signal() 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.compare_signal() method
print ("\n\nDecimal a with compare_signal() method : ", a.compare_signal(a))
print ("Decimal a with compare_signal() method : ", a.compare_signal(b))
print ("Decimal b with compare_signal() method : ", b.compare_signal(a))
输出:
Decimal value a : -3.14
Decimal value b : 3.21E+7
Decimal a with compare_signal() method : 0
Decimal a with compare_signal() method : -1
Decimal b with compare_signal() method : 1
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