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

#define MAL_COMM_COMPLETED 0
#define MAL_COMM_UNINITIALIZED 0
#define MAL_ASYNC_PENDING 1

#define MAL_USE_NORMAL 0
#define MAL_USE_IBARRIER 1

int send_sync(char *array, int qty, int myId, int numP, int root, MPI_Comm intercomm, int numP_child);
void recv_sync(char **array, int qty, int myId, int numP, int root, MPI_Comm intercomm, int numP_parents);


int send_async(char *array, int qty, int myId, int numP, int root, MPI_Comm intercomm, int numP_child, MPI_Request **comm_req, int parents_wait);
void recv_async(char **array, int qty, int myId, int numP, int root, MPI_Comm intercomm, int numP_parents, int parents_wait);


void malloc_comm_array(char **array, int qty, int myId, int numP);