C—C++floor函数-C语言零基础入门教程

include  //需要包含头文件

extern float floorf(float);//参数为flot类型
extern double floor(double);//参数为double类型
extern long double floorl(long double);//参数为long double类型

/******************************************************************************************/
//@Author:猿说编程
//@Blog(个人博客地址): www.codersrc.com
//@File:C/C++ floor 函数
//@Time:2021/08/26 08:00
//@Motto:不积跬步无以至千里，不积小流无以成江海，程序人生的精彩需要坚持不懈地积累！
/******************************************************************************************/

include "stdafx.h"
include "stdio.h"
include "stdlib.h"
include "windows.h"
include 

int main()
{
    printf("floor(50.2) = %f \n", floor(50.2));
    printf("floor(0.2) = %f \n", floor(0.2));
    printf("floor(-50.2) = %f \n", floor(-50.2));
    printf("floor(-0.2) = %f \n", floor(-0.2));
    printf("floor(100.2) = %f \n", floor(100.2));

    system("pause");
    return 0;
}
/*
输出：
floor(50.2) = 50.000000
floor(0.2) = 0.000000
floor(-50.2) = -51.000000
floor(-0.2) = -1.000000
floor(100.2) = 100.000000
Press any key to continue . . .
*/