Benchmarks: default arguments don't work here

benchmarkSingle( const int & loops,

                 const double & datasetSize, // in GB

                 ComputeFunction compute,

                 // TODO: check that default argument works here

                 CheckFunction check = trueFunc,

                 ResetFunction reset = voidFunc )

                 CheckFunction check,

                 ResetFunction reset )

{

    tnlTimerRT timer;

    timer.reset();

               const double & datasetSize, // in GB

               ComputeHostFunction computeHost,

               ComputeCudaFunction computeCuda,

               // TODO: check that default argument works here

               CheckFunction check = trueFunc,

               ResetFunction reset = voidFunc )

               CheckFunction check,

               ResetFunction reset )

{

    // timers are constructed zero-initialized and stopped

    tnlTimerRT timerHost, timerCuda, timerCudaSync;