如何检查c中是否有除零

Question

#include<stdio.h>
void function(int);

int main()
{
     int x;

     printf("Enter x:");
     scanf("%d", &x);

function(x);

return 0;
}

void function(int x)
{
    float fx;

    fx=10/x;

    if(10 is divided by zero)// I dont know what to put here please help
        printf("division by zero is not allowed");
    else
        printf("f(x) is: %.5f",fx);

}

Answer 1

#include<stdio.h>
void function(int);

int main()
{
     int x;

     printf("Enter x:");
     scanf("%d", &x);

function(x);

return 0;
}

void function(int x)
{
    float fx;

    if(x==0) // Simple!
        printf("division by zero is not allowed");
    else
        fx=10/x;            
        printf("f(x) is: %.5f",fx);

}

Answer 2

这应该做到这一点.在执行除法之前,您需要检查除零.

void function(int x)
{
    float fx;

    if(x == 0) {
        printf("division by zero is not allowed");
    } else {
        fx = 10/x;
        printf("f(x) is: %.5f",fx);
    }
}