extern MPI_Datatype MPI_PTR;
+
+//*****************************************************************************************
+
+/*
+ These are the structures that handle complex data type information,
+ used for serialization/unserialization of messages
+*/
+
+typedef struct s_smpi_mpi_vector{
+ s_smpi_subtype_t base;
+ size_t block_stride;
+ size_t block_length;
+ size_t block_count;
+ MPI_Datatype old_type;
+ size_t size_oldtype;
+} s_smpi_mpi_vector_t;
+
+typedef struct s_smpi_mpi_hvector{
+ s_smpi_subtype_t base;
+ MPI_Aint block_stride;
+ size_t block_length;
+ size_t block_count;
+ MPI_Datatype old_type;
+ size_t size_oldtype;
+} s_smpi_mpi_hvector_t;
+
+typedef struct s_smpi_mpi_indexed{
+ s_smpi_subtype_t base;
+ int* block_lengths;
+ int* block_indices;
+ size_t block_count;
+ MPI_Datatype old_type;
+ size_t size_oldtype;
+} s_smpi_mpi_indexed_t;
+
+typedef struct s_smpi_mpi_hindexed{
+ s_smpi_subtype_t base;
+ int* block_lengths;
+ MPI_Aint* block_indices;
+ size_t block_count;
+ MPI_Datatype old_type;
+ size_t size_oldtype;
+} s_smpi_mpi_hindexed_t;
+
+typedef struct s_smpi_mpi_struct{
+ s_smpi_subtype_t base;
+ int* block_lengths;
+ MPI_Aint* block_indices;
+ size_t block_count;
+ MPI_Datatype* old_types;
+} s_smpi_mpi_struct_t;
+
+/*
+ Functions to handle serialization/unserialization of messages, 3 for each type of MPI_Type
+ One for creating the substructure to handle, one for serialization, one for unserialization
+*/
+
+void unserialize_vector( const void *contiguous_vector,
+ void *noncontiguous_vector,
+ size_t count,
+ void *type);
+
+void serialize_vector( const void *noncontiguous_vector,
+ void *contiguous_vector,
+ size_t count,
+ void *type);
+
+void free_vector(MPI_Datatype* type);
+
+s_smpi_mpi_vector_t* smpi_datatype_vector_create( int block_stride,
+ int block_length,
+ int block_count,
+ MPI_Datatype old_type,
+ int size_oldtype);
+
+void unserialize_hvector( const void *contiguous_vector,
+ void *noncontiguous_vector,
+ size_t count,
+ void *type);
+
+void serialize_hvector( const void *noncontiguous_vector,
+ void *contiguous_vector,
+ size_t count,
+ void *type);
+
+void free_hvector(MPI_Datatype* type);
+
+s_smpi_mpi_hvector_t* smpi_datatype_hvector_create( MPI_Aint block_stride,
+ int block_length,
+ int block_count,
+ MPI_Datatype old_type,
+ int size_oldtype);
+
+
+void unserialize_indexed( const void *contiguous_indexed,
+ void *noncontiguous_indexed,
+ size_t count,
+ void *type);
+
+void serialize_indexed( const void *noncontiguous_vector,
+ void *contiguous_vector,
+ size_t count,
+ void *type);
+
+void free_indexed(MPI_Datatype* type);
+
+s_smpi_mpi_indexed_t* smpi_datatype_indexed_create(int* block_lengths,
+ int* block_indices,
+ int block_count,
+ MPI_Datatype old_type,
+ int size_oldtype);
+
+void unserialize_hindexed( const void *contiguous_indexed,
+ void *noncontiguous_indexed,
+ size_t count,
+ void *type);
+
+void serialize_hindexed( const void *noncontiguous_vector,
+ void *contiguous_vector,
+ size_t count,
+ void *type);
+
+void free_hindexed(MPI_Datatype* type);
+
+s_smpi_mpi_hindexed_t* smpi_datatype_hindexed_create(int* block_lengths,
+ MPI_Aint* block_indices,
+ int block_count,
+ MPI_Datatype old_type,
+ int size_oldtype);
+
+void unserialize_struct( const void *contiguous_indexed,
+ void *noncontiguous_indexed,
+ size_t count,
+ void *type);
+
+void serialize_struct( const void *noncontiguous_vector,
+ void *contiguous_vector,
+ size_t count,
+ void *type);
+
+void free_struct(MPI_Datatype* type);
+
+s_smpi_mpi_struct_t* smpi_datatype_struct_create(int* block_lengths,
+ MPI_Aint* block_indices,
+ int block_count,
+ MPI_Datatype* old_types);
+
#endif