반올림이 안되던데???

아래 주석으로 실제 나와야할 결과값을 적어 놨으니깐.

그렇게 나오도록 고치숑

ㅅㄱ

#include <Stdio.h>
#include <stdlib.h>

void rou(double num, int n)
{     
       n=n+1;
      
       double m, x;
       int i, h=1;
      
       if(n>=0)
       {
                x=num-(int)num;//소수 부분  0.56489
      
                for(i=0; i<n; i++)
                {
                         h=h*10;//100
                }
      
                 m=x*h;//564.89
      
                 if((int)m%10>=5)
                 {
                                 m=m+10-((int)m%10);
                 }
      
                 else
                 {
                                 m=m-((int)m%10);   
                 }
                 m=(int)m/(double)h;
      
                 printf("%lf \n", (int)num+m);
       }
                     
       else// n<0
       {
                      n=-n;//1   140.000
                     
                      x=(int)num;//143.000
                     
                      for(i=0; i<n; i++)
                      {
                                h=h*10;//10
                      }
                     
                      if((int)x%h>=5*(h/10))
                      {
                                       m=(x+h)-((int)x%h);
                                       printf("%lf \n", m);
                      }
                     
                      else
                      {
                                       m=x-((int)x%h);
                                       printf("%lf \n", m);            
                      }
       
        }  
}

int main(void)
{
    double num=123.54589;
   
    //버림이 일어 나는 부분
    rou(154.556, -1);// 정상적인 결과치 150.000
    rou(143.446, 0);//  정상적인 결과치 143.000
    rou(153.546, 1);// 정상적인 결과치 153.500
   
   
    //올림(반올림)이 일어나야 할 부분
    rou(155.556, -1);// 정상적인 결과치 160.000
    rou(143.546, 0);//  정상적인 결과치 144.000
    rou(153.556, 1);// 정상적인 결과치 153.600

   
   
 
    system("pause");
    return 0;
}