c file compilation
how to run and give input to the following program?
/* convert cvs data to libsvm/svm-light format */
include
include
include
char buf[10000000];
float feature[100000];
int main(int argc, char **argv)
{
FILE *fp;
if(argc!=2)
{
fprintf(stderr,"Usage %s filename\n",argv[0]);
}
if((fp=fopen(argv[1],"r"))==NULL)
{
fprintf(stderr,"Can't open input file %s\n",argv[1]);
}
while(fscanf(fp,"%[^\n]\n",buf)==1)
{
int i=0,j;
char *p=strtok(buf,",");
feature[i++]=atof(p);
while((p=strtok(NULL,",")))
feature[i++]=atof(p);
// --i;
/*
if ((int) feature[i]==1)
printf("-1 ");
else
printf("+1 ");
*/
//
printf("%f ", feature[1]);
printf("%d ", (int) feature[0]);
for(j=1;j<i;j++)
printf(" %d:%f",j,feature[j]);
printf("\n");
}
return 0;
}
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