Python的定义允许使用不同的函数以多种方式处理浮点数的精度。其中大多数是在“ math”模块下定义的。本文将讨论一些最常用的函数。
1. trunc(): -此函数用于消除浮点数的所有小数部分,并返回不带小数部分的整数。
2. ceil(): -此函数用于打印大于给定数字的最小整数。
3. floor(): -此函数用于打印小于给定整数的最大整数。
# Python code to demonstrate ceil(), trunc()
# and floor()
# importing "math" for precision function
import math
# initializing value
a = 3.4536
# using trunc() to print integer after truncating
print ("The integral value of number is : ",end="")
print (math.trunc(a))
# using ceil() to print number after ceiling
print ("The smallest integer greater than number is : ",end="")
print (math.ceil(a))
# using floor() to print number after flooring
print ("The greatest integer smaller than number is : ",end="")
print (math.floor(a))
输出 :
The integral value of number is : 3
The smallest integer greater than number is : 4
The greatest integer smaller than number is : 3








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