1 /* Copyright (c) 2009-2010, 2012-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #ifndef SMPI_DATATYPE_HPP
8 #define SMPI_DATATYPE_HPP
14 #define DT_FLAG_DESTROYED 0x0001 /**< user destroyed but some other layers still have a reference */
15 #define DT_FLAG_COMMITED 0x0002 /**< ready to be used for a send/recv operation */
16 #define DT_FLAG_CONTIGUOUS 0x0004 /**< contiguous datatype */
17 #define DT_FLAG_OVERLAP 0x0008 /**< datatype is unpropper for a recv operation */
18 #define DT_FLAG_USER_LB 0x0010 /**< has a user defined LB */
19 #define DT_FLAG_USER_UB 0x0020 /**< has a user defined UB */
20 #define DT_FLAG_PREDEFINED 0x0040 /**< cannot be removed: initial and predefined datatypes */
21 #define DT_FLAG_NO_GAPS 0x0080 /**< no gaps around the datatype */
22 #define DT_FLAG_DATA 0x0100 /**< data or control structure */
23 #define DT_FLAG_ONE_SIDED 0x0200 /**< datatype can be used for one sided operations */
24 #define DT_FLAG_UNAVAILABLE 0x0400 /**< datatypes unavailable on the build (OS or compiler dependant) */
25 #define DT_FLAG_VECTOR 0x0800 /**< valid only for loops. The loop contain only one element
26 **< without extent. It correspond to the vector type. */
28 * We should make the difference here between the predefined contiguous and non contiguous
29 * datatypes. The DT_FLAG_BASIC is held by all predefined contiguous datatypes.
31 #define DT_FLAG_BASIC (DT_FLAG_PREDEFINED | DT_FLAG_CONTIGUOUS | DT_FLAG_NO_GAPS | DT_FLAG_DATA | DT_FLAG_COMMITED)
44 xbt_dict_t attributes_;
48 Datatype(int size,int lb, int ub, int flags);
49 Datatype(char* name, int size,int lb, int ub, int flags);
50 Datatype(Datatype &datatype);
58 void addflag(int flag);
61 int extent(MPI_Aint * lb, MPI_Aint * extent);
62 MPI_Aint get_extent();
64 void get_name(char* name, int* length);
65 void set_name(char* name);
66 static int copy(void *sendbuf, int sendcount, MPI_Datatype sendtype,
67 void *recvbuf, int recvcount, MPI_Datatype recvtype);
68 virtual void serialize( void* noncontiguous_vector, void *contiguous_vector,
69 int count, void *type);
70 virtual void unserialize( void* contiguous_vector, void *noncontiguous_vector,
71 int count, void *type, MPI_Op op);
72 int attr_delete(int keyval);
73 int attr_get(int keyval, void* attr_value, int* flag);
74 int attr_put(int keyval, void* attr_value);
75 static int keyval_create(MPI_Type_copy_attr_function* copy_fn, MPI_Type_delete_attr_function* delete_fn, int* keyval, void* extra_state);
76 static int keyval_free(int* keyval);
77 int pack(void* inbuf, int incount, void* outbuf, int outcount, int* position, MPI_Comm comm);
78 int unpack(void* inbuf, int insize, int* position, void* outbuf, int outcount, MPI_Comm comm);
81 class Type_Contiguous:Datatype{
84 class Type_Vector:Datatype{
87 class Type_Hvector:Datatype{
90 class Type_Indexed:Datatype{
93 class Type_Hindexed:Datatype{
96 class Type_Struct:Datatype{