pnet_setup(3)

NAME
pnet_setup - Initialize communication pattern

SYNOPSIS
#include <mpi.h>
#include "pnet.h"
int pnet_setup(Pnet *pnet);

DESCRIPTION
Function initializes communication pattern necessary for the distributed network. This is the core function of the Pnet library. Pnet has to be initialized by pnet_init and connections have to be added by calls of pnet_addconnect before pnet_setup can be called. Data have to be exchanged by invoking the pnet_exchg macro. After calling this function connections must not be added. The argument of pnet_setup is:

pnet
    Pointer to initialized Pnet struct

RETURN VALUE
Upon successful completion PNET_OK is returned.

ERRORS

PNET_ALLOC_ERR
    Cannot allocate memory.

AUTHOR
Werner von Bloh (bloh@pik-potsdam.de)

SEE ALSO
pnet_exchg(3), pnet_init(3), pnet_addconnect(3), pnet_free(3), pnet_lo(3), pnet_hi(3), pnet_nodes(3)