TheRock/rocm-libraries/projects/rocwmma/test/rocwmma_ostream.hpp

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#ifndef ROCWMMA_OSTREAM_HPP
#define ROCWMMA_OSTREAM_HPP

#include <fstream>
#include <iostream>
#include <utility>

namespace rocwmma
{
    struct rocwmmaOStream
    {
    public:
        void initializeStream(std::string fileName)
        {
            if(fileName.length() > 0)
            {
                mFstream.open(fileName);
            }
        }

        bool isOpen()
        {
            return mFstream.is_open();
        }

        // Default output for non-enumeration types
        template <typename T, std::enable_if_t<!std::is_enum<std::decay_t<T>>{}, int> = 0>
        rocwmmaOStream& operator<<(T&& x)
        {
            if(mFstream.is_open())
                mFstream << std::forward<T>(x);
        }

        // Default output for enumeration types
        template <typename T, std::enable_if_t<std::is_enum<std::decay_t<T>>{}, int> = 0>
        rocwmmaOStream& operator<<(T&& x)
        {
            if(mFstream.is_open())
            {
                mFstream << std::underlying_type_t<std::decay_t<T>>(x);
            }
        }

        std::ofstream& fstream()
        {
            return mFstream;
        }

    protected:
        std::ofstream mFstream;
    };
} // namespace rocwmma

#endif // ROCWMMA_OSTREAM_HPP