#include
#include
#include
#include
#include "stat.h"

int numlines,i,size;
char cestino2[200];
void *malloc(size_t size);

int main(int argc, char *argv[]) {
float *Up, *Delta;
double *Est, *Nord;
FILE *in, *out;
if((in = fopen("dati.dat","r")) == NULL)
printf ("The file does not exist");
out = fopen("output.dat","w");
while(feof(in) == 0){
fgets(cestino2, 100, in);
numlines++; }
rewind(in);
size = numlines-1;
Est = (double *) malloc(size*sizeof(double));
Nord = (double *) malloc(size*sizeof(double));
Up = (float *) malloc(size*sizeof(float));
Delta = (float *) malloc(size*sizeof(float));

for(i = 0; i < size; i++) {
fscanf(in,"%lf%lf%f%f", &Est[i], &Nord[i], &Up[i], &Delta[i]);
}

for(i = 0; i < size; i++) {
fprintf(out,"%.3lf\t%.3lf\t%5.2f\t%5.2f\n", Est[i], Nord[i], Up[i], Delta[i]);
}

fclose(in);
fclose(out);

return 0;
}

/* gendata.c */
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int main()
{
    int i;
    int numpoints = 1500000;
    time_t starttime, endtime;
    char *outname = "dati.dat";
    FILE *outfile = fopen(outname, "w");
    if (!outfile) {
        printf("Can't open file %s for writing.\n", outname);
        return EXIT_FAILURE;
    }

#ifdef __GNUC__
    printf("%s: GNU compiler %d.%d.%d\n", __FILE__, 
            __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
#endif

#ifdef __BORLANDC__
    printf("%s: Borland compiler %d.\n", __FILE__, __BORLANDC__);
#endif

#ifdef _MSC_VER
    printf("%s: Microsoft compiler %d.\n", __FILE__, _MSC_VER);
#endif


    starttime = time(0);

    for (i = 0; i < numpoints; i++) {
        fprintf(outfile, "%f %f %f %f\n", 
                (double)i, (double)(i+1), (float)(i+2), (float)(i+3));
    }

    endtime = time(0);
    printf("Elapsed time = %.0f seconds.\n", difftime(endtime, starttime));

    fclose(outfile);
    return 0;
}