#include <stdio.h>
#include <stdlib.h>
#include "CIntArray.h"

// Initialize array with n integers

CIntArray CIA_Initialize(unsigned int n) {
    CIntArray A ;
    int *ptr, i ;

    A.size = n ;
    ptr = malloc(n * sizeof(int)) ; 
    if (ptr == NULL) {
       fprintf(stderr, "Kaboom!\n") ;
       exit(1) ;
    }

    A.data = ptr ;

    for (i = 0 ; i < n ; i++) {
       A.data[i]  = 0 ;
    }

    return(A) ;
}


// return i-th element of the array

int CIA_Access (CIntArray *Aptr, unsigned int i) {

    if ((i < 0) || (i >= Aptr->size)) {
       fprintf(stderr, "Kaboom!\n") ;
       exit(1) ;
    }
     
    return (Aptr->data)[i] ;
}


// Assing x to i-th element

void CIA_Assign (CIntArray *Aptr, unsigned int i, int x) {
    if ((i < 0) || (i >= Aptr->size)) {
       fprintf(stderr, "Kaboom!\n") ;
       exit(1) ;
    }
     
    (Aptr->data)[i] = x ;
}