int main()
{
int fLines, start =2, i;
char *fName = "worldcitiespoppartial.txt";
float **fpArray;
int childpid, fds[2];
fpArray = fileInput(fName, &fLines);
printf("Before it forks\n");
pipe(fds);
childpid = fork();
if (childpid==0){
printf("This is a child Process\n");
fpArray = iSort(fpArray, (fLines/2), start);
write(fds[1], fpArray, sizeof(long int)*3*fLines/2 );
}
else {
printf("This is a parent Process\n");
wait(NULL);
read(fds[0], fpArray, sizeof(long int)*3*fLines/2);
fpArray = iSort(fpArray, (fLines), (fLines/2));
fpArray = mSort(fpArray, fLines);
for(i=1;i<fLines; i++){
printf("%.f %f %f\n", fpArray[i][0], fpArray[i][1], fpArray[i][2]);
}
}
return(0);
}
void iSortBottomUp(E *A, intT n, intT m, F f) {
iSort(A, (intT*) NULL, n, m, true, f);}
void iSort(E *A, intT n, intT m, Func f) {
iSort(A, (intT*) NULL, n, m, false, f);}
void iSort(E *A, intT* bucketOffsets, intT n, intT m, F f) {
iSort(A, bucketOffsets, n, m, false, f);}
void iSort(E *A, intT* bucketOffsets, intT n, intT m, bool bottomUp, F f) {
long x = iSortSpace<E,intT>(n);
char* s = (char*) malloc(x);
iSort(A, bucketOffsets, n, m, bottomUp, s, f);
free(s);
}