DeviceDataHelpers.h

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#ifndef included_AMP_DeviceDataHelpers_h
#define included_AMP_DeviceDataHelpers_h
 
 
namespace AMP {
namespace LinearAlgebra {
 
 
template<typename STYPE, typename DTYPE = STYPE>
class DeviceDataHelpers
{
public:
    //  functions that operate on VectorData
 
    static bool containsIndex( const size_t N, const size_t *indices, const size_t i );
 
    static bool
    allGhostIndices( const size_t N, const size_t *indices, const size_t start, const size_t end );
 
    static void setValuesByIndex( size_t N, const size_t *indices, const STYPE *src, DTYPE *dst );
 
    static void addValuesByIndex( size_t N, const size_t *indices, const STYPE *src, DTYPE *dst );
 
    static void getValuesByIndex( size_t N, const size_t *indices, const STYPE *src, DTYPE *dst );
 
    static void setGhostValuesByGlobalID( const size_t gsize,
                                          const size_t *globalIDs,
                                          const size_t N,
                                          const size_t *ndxReq,
                                          size_t *ndxMap,
                                          const STYPE *src,
                                          const size_t dst_size,
                                          DTYPE *dst );
 
    static void addGhostValuesByGlobalID( const size_t gsize,
                                          const size_t *globalIDs,
                                          const size_t N,
                                          const size_t *ndxReq,
                                          size_t *ndxMap,
                                          const STYPE *src,
                                          const size_t dst_size,
                                          DTYPE *dst );
 
    static void getGhostValuesByGlobalID( const size_t gsize,
                                          const size_t *globalIDs,
                                          const size_t N,
                                          const size_t *ndxReq,
                                          size_t *ndxMap,
                                          const size_t src_size,
                                          const STYPE *src1,
                                          const STYPE *src2,
                                          DTYPE *dst );
 
    static void getGhostAddValuesByGlobalID( const size_t gsize,
                                             const size_t *globalIDs,
                                             const size_t N,
                                             const size_t *ndxReq,
                                             size_t *ndxMap,
                                             const size_t src_size,
                                             const STYPE *src,
                                             DTYPE *dst );
};
 
} // namespace LinearAlgebra
} // namespace AMP
 
 
#endif