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Teuchos_RawMPITraits.hpp
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00041 
00042 #ifndef TEUCHOS_RAW_MPI_TRAITS_H
00043 #define TEUCHOS_RAW_MPI_TRAITS_H
00044 
00045 #include "Teuchos_ConfigDefs.hpp"
00046 
00050 
00051 namespace Teuchos {
00052 
00081 template <class T> class TEUCHOS_DEPRECATED RawMPITraits {
00082 public:
00084   static int adjustCount(const int count) { bool *junk1; T *junk2 = &junk1; return 0; } // Should not compile!
00086         static MPI_Datatype type() { bool *junk1; T *junk2 = &junk1; return MPI_DATATYPE_NULL; } // Should not compile!
00088         static MPI_Op sumOp() { bool *junk1; T *junk2 = &junk1; return MPI_OP_NULL; } // Should not compile!
00090         static MPI_Op maxOp() { bool *junk1; T *junk2 = &junk1; return MPI_OP_NULL; } // Should not compile!
00092         static MPI_Op minOp() { bool *junk1; T *junk2 = &junk1; return MPI_OP_NULL; } // Should not compile!
00093 };
00094 
00095 #ifndef DOXYGEN_SHOULD_SKIP_THIS
00096 
00097 
00098 template <> class TEUCHOS_DEPRECATED RawMPITraits<char> {
00099 public:
00101   static int adjustCount(const int count) { return count; }
00103         static MPI_Datatype type() { return MPI_CHAR; }
00105         static MPI_Op sumOp() { return MPI_SUM; }
00107         static MPI_Op maxOp() { return MPI_MAX; }
00109         static MPI_Op minOp() { return MPI_MIN; }
00110 };
00111 
00114 template <> class TEUCHOS_DEPRECATED RawMPITraits<int> {
00115 public:
00117   static int adjustCount(const int count) { return count; }
00119         static MPI_Datatype type() { return MPI_INT; }
00121         static MPI_Op sumOp() { return MPI_SUM; }
00123         static MPI_Op maxOp() { return MPI_MAX; }
00125         static MPI_Op minOp() { return MPI_MIN; }
00126 };
00127 
00130 template <> class TEUCHOS_DEPRECATED RawMPITraits<float> {
00131 public:
00133   static int adjustCount(const int count) { return count; }
00135         static MPI_Datatype type() { return MPI_FLOAT; }
00137         static MPI_Op sumOp() { return MPI_SUM; }
00139         static MPI_Op maxOp() { return MPI_MAX; }
00141         static MPI_Op minOp() { return MPI_MIN; }
00142 };
00143 
00146 template <> class TEUCHOS_DEPRECATED RawMPITraits<double> {
00147 public:
00149   static int adjustCount(const int count) { return count; }
00151         static MPI_Datatype type() { return MPI_DOUBLE; }
00153         static MPI_Op sumOp() { return MPI_SUM; }
00155         static MPI_Op maxOp() { return MPI_MAX; }
00157         static MPI_Op minOp() { return MPI_MIN; }
00158 };
00159 
00171 template <class T> class TEUCHOS_DEPRECATED RawMPITraits< std::complex<T> > {
00172 public:
00174   static int adjustCount(const int count) { return (2*count); }
00176         static MPI_Datatype type() { return RawMPITraits<T>::type(); }
00178         static MPI_Op sumOp() { return MPI_SUM; }
00179 };
00180 
00181 #endif // DOXYGEN_SHOULD_SKIP_THIS
00182 
00183 } // namespace Teuchos
00184 
00185 #endif // TEUCHOS_RAW_MPI_TRAITS_H
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