Weiming An

> Can't we import from a file the positions and momenta of all the macroparticles of the driver bunch? Actually, we have a beam profile (beam profile number is 3)...

I have added hollow channel profiles in the dev branch. I also put some instructions for the input file parameters in the wiki page. Please give it a try if...

The IEEE_UNDERFLOW_FLAG and IEEE_DENORMAL are OK. But I never saw IEEE_INVALID_FLAG IEEE_DIVIDE_BY_ZERO before. Did you get any simulation results?