frac               44 opal/mca/timer/darwin/timer_darwin.h             double frac = (double)opal_timer_darwin_info.numer/opal_timer_darwin_info.denom;
frac               46 opal/mca/timer/darwin/timer_darwin.h             opal_timer_darwin_info.numer = opal_timer_darwin_info.denom * frac + 0.5;