func Send(buf interface{}, count int, datatype MPI_Datatype, dest int,
tag int, comm MPI_Comm) int {
switch ptr := buf.(type) {
case *int:
ret := C.MPI_Send(unsafe.Pointer(ptr), C.int(count), datatype,
C.int(dest), C.int(tag), comm)
return int(ret)
}
return 0
}
func Send_float64(sendbuf []float64, dest, tag int, comm C.MPI_Comm) {
err := C.MPI_Send(
unsafe.Pointer(&sendbuf[0]), C.int(len(sendbuf)), FLOAT64,
C.int(dest), C.int(tag), comm)
if err != 0 {
log.Fatal(err)
}
}
func Send_int32(sendbuf []int32, dest, tag int, comm C.MPI_Comm) {
err := C.MPI_Send(
unsafe.Pointer(&sendbuf[0]), C.int(len(sendbuf)), INT32,
C.int(dest), C.int(tag), comm)
if err != 0 {
log.Fatal(err)
}
}
//Send
//Performs a standard-mode blocking send.
func Send(buffer interface{},
count int,
dataType Datatype,
dest int,
tag int,
comm Comm) int {
bufferVoidPointer := Get_void_ptr(buffer)
err := C.MPI_Send(bufferVoidPointer,
C.int(count),
C.MPI_Datatype(dataType),
C.int(dest),
C.int(tag),
C.MPI_Comm(comm))
return int(err)
}
func SendFloat32(data []float32, dest, tag int) int {
// sizeof(MPI_FLOAT) == 4
ret := C.MPI_Send(unsafe.Pointer(&data[0]), C.int(len(data)), MPI_FLOAT, C.int(dest), C.int(tag),
COMM_WORLD)
return int(ret)
}
func SendInt32(data []int32, dest, tag int) int {
// sizeof(MPI_INTEGER) == 4
ret := C.MPI_Send(unsafe.Pointer(&data[0]), C.int(len(data)), MPI_INTEGER, C.int(dest), C.int(tag),
COMM_WORLD)
return int(ret)
}
