average _raw

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc,char *argv[])
{
    FILE *fpio;
    FILE *fpio2;
        int i,height,width;
    float dn;
    float *file;
    //float *file3;
    //float start,end;
    float total,average;
    float r_average;

    if(argc!=5)
    {
        fprintf(stderr,"Usage: %s\n(2)Input_R_READ_filename\n(3)width\n(4)height\n(5)output_filename",argv[0]);
        exit(1);
    }

        printf("Input FILE NAME:%s\n",argv[1]);
    printf("output file name:%s\n",argv[2]);


    width = atoi(argv[2]); printf("W = %d,", width);
        height = atoi(argv[3]); printf("H = %d\n", height);

    /*---------ÉÅÉÇÉäÇÃé©ìÆäÑìñ----------*/
        file= (float *)malloc(width*height*sizeof(float));

    /*----------------ì¸óÕRâÊëúÉtÉ@ÉCÉãÇÃÉIÅ[ÉvÉìäJén----------------------*/
        if((fpio=fopen(argv[1],"rb"))==NULL)
    {       /*ÉtÉ@ÉCÉãÇÃÉIÅ[ÉvÉì*/
            fprintf(stderr,"input file open error\n");
        exit(1);
        }

        fread((float *)file,sizeof(float),width*height,fpio);
    /*----------------âÊëúÉtÉ@ÉCÉãÇÃÉIÅ[ÉvÉìèIóπ----------------------*/
    /*----------------ì¸óÕNIRâÊëúÉtÉ@ÉCÉãÇÃÉIÅ[ÉvÉìäJén----------------------*/

        //fread((float *)file3,sizeof(float),width*height,fpo);

    if((fpio2=fopen(argv[4],"w"))==NULL)
    {       /*ÉtÉ@ÉCÉãÇÃÉIÅ[ÉvÉì*/
            fprintf(stderr,"input file open error\n");
        exit(1);
        }

    total=0;

    for(i=0;i<height*width;i++)
    {
        total=total+file[i];
    }

    average=total/(height*width);
        printf("The average depth is %fm.",average);

    if(average<0)
    {
        r_average=-1*average;
        fprintf(fpio2,"say The average depth is minus %fm.",r_average);
    }
    else
    {
        fprintf(fpio2,"say The average depth is %fm.",average);
    }

    free(file);

    fclose(fpio);
    fclose(fpio2);

}