func Irecv_int32(recvbuf []int32, source, tag int, comm C.MPI_Comm, request *Request) {
err := C.MPI_Irecv(
unsafe.Pointer(&recvbuf[0]), C.int(len(recvbuf)), INT32,
C.int(source), C.int(tag), comm, (*C.MPI_Request)(request))
if err != 0 {
log.Fatal(err)
}
}
func Irecv_float64(recvbuf []float64, source, tag int, comm C.MPI_Comm, request *Request) {
err := C.MPI_Irecv(
unsafe.Pointer(&recvbuf[0]), C.int(len(recvbuf)), FLOAT64,
C.int(source), C.int(tag), comm, (*C.MPI_Request)(request))
if err != 0 {
log.Fatal(err)
}
}
// Irecv
// Begins a nonblocking receive
func Irecv(buffer interface{},
count int,
datatype Datatype,
source int,
tag int,
comm Comm,
request *Request) int {
recvBufferVoidPointer := Get_void_ptr(buffer)
err := C.MPI_Irecv(recvBufferVoidPointer,
C.int(count),
C.MPI_Datatype(datatype),
C.int(source),
C.int(tag),
C.MPI_Comm(comm),
(*C.MPI_Request)(request))
return int(err)
}