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## Struct template is_mpi_complex_datatype

boost::mpi::is_mpi_complex_datatype — Type trait that determines if there exists a built-in complex MPI data type for a given C++ type.

## Synopsis

    // In header: <boost/mpi/datatype.hpp>

    template<typename T>
    struct is_mpi_complex_datatype {
    };

## Description

This ytpe trait determines when there is a direct mapping from a C++ type to an MPI data type that is classified as an complex data type. See `is_mpi_builtin_datatype` for general information about built-in MPI data types.