fmm_timer.cpp

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#include "fmm_timer.h"
 
#include <iomanip>
#include <sstream>
 
namespace NiHu
{
namespace fmm
{
 
std::ostream &fmm_timer::print(std::ostream &os) const
{
    // save state flags of os
    std::ios_base::fmtflags flags = os.flags();
    
    os << std::fixed << std::setprecision(1);
 
    size_t nLevel = m_times.size();
    for (size_t iLevel = 0; iLevel < nLevel; ++iLevel)
    {
        os << "Level #" << std::setw(2) << iLevel << ": "
            << "M2M (" << std::setw(10) << m_times[iLevel][M2M] << "), "
            << "M2L (" << std::setw(10) << m_times[iLevel][M2L] << "), "
            << "L2L (" << std::setw(10) << m_times[iLevel][L2L] << ")" << std::endl;
    }
 
    os << "P2P (" << m_times[0][P2P] << "), "
        << "P2M (" << m_times[0][P2M] << "), "
        << "P2L (" << m_times[0][P2L] << "), "
        << "L2P (" << m_times[0][L2P] << "), "
        << "M2P (" << m_times[0][M2P] << ")" << std::endl;
 
    // restore state flags of os
    os.flags(flags);
 
    return os;
}
 
} // end of namespace fmm
} // end namespace NiHu