SYNTAX

C Syntax

int MPI_Irecv(void* buf, int count, MPI_Datatype datatype, int
    source, int tag, MPI_Comm comm, MPI_Request* request)

int MPI_Irecv_c(void* buf, MPI_Count count, MPI_Datatype datatype,
    int source, int tag, MPI_Comm comm, MPI_Request* request)

Fortran Syntax

USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_IRECV(BUF, COUNT, DATATYPE, SOURCE, TAG, COMM, REQUEST, IERROR)
    <type> BUF(*)
    INTEGER COUNT, DATATYPE, SOURCE, TAG, COMM, REQUEST, IERROR

Fortran 2008 Syntax

USE mpi_f08
MPI_Irecv(buf, count, datatype, source, tag, comm, request, ierror)
    TYPE(*), DIMENSION(..), ASYNCHRONOUS :: buf
    INTEGER, INTENT(IN) :: count, source, tag
    TYPE(MPI_Datatype), INTENT(IN) :: datatype
    TYPE(MPI_Comm), INTENT(IN) :: comm
    TYPE(MPI_Request), INTENT(OUT) :: request
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror

MPI_Irecv(buf, count, datatype, source, tag, comm, request, ierror)
    TYPE(*), DIMENSION(..), ASYNCHRONOUS :: buf
    INTEGER(KIND=MPI_COUNT_KIND), INTENT(IN) :: count
    TYPE(MPI_Datatype), INTENT(IN) :: datatype
    INTEGER, INTENT(IN) :: source, tag
    TYPE(MPI_Comm), INTENT(IN) :: comm
    TYPE(MPI_Request), INTENT(OUT) :: request
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror