Python|十进制 next_toward() 方法

Decimal#next_toward() ：next_toward()是一个 Decimal 类方法，它返回最接近第二个十进制值的方向上的第一个十进制值的数字。

Syntax: Decimal.next_toward()

Parameter: Decimal values

Return: the number closest to first decimal value in the direction towards second decimal value.

代码 #1：next_toward() 方法的示例

# Python Program explaining 
# next_toward() method
  
# loading decimal library
from decimal import *
  
  
# Initializing a decimal value
a = Decimal(-1)
  
b = Decimal('0.142857')
  
# printing Decimal values
print ("Decimal value a : ", a)
print ("Decimal value b : ", b)
  
  
# Using Decimal.next_toward() method
print ("\n\nDecimal a with next_toward() method : ", a.next_toward(b))
  
print ("Decimal b with next_toward() method : ", b.next_toward(b))

输出 ：

Decimal value a :  -1
Decimal value b :  0.142857


Decimal a with next_toward() method :  -0.9999999999999999999999999999
Decimal b with next_toward() method :  0.142857

代码 #2：next_toward() 方法的示例

# Python Program explaining 
# next_toward() 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.next_toward() method
print ("\n\nDecimal a with next_toward() method : ", a.next_toward(b))
  
print ("Decimal b with next_toward() method : ", b.next_toward(b))

输出 ：

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


Decimal a with next_toward() method :  -3.139999999999999999999999999
Decimal b with next_toward() method :  3.21E+7