On Thu, Apr 25, 2013 at 03:37:35PM +0200, Marc Glisse wrote: > If a function with one or more NaN arguments returns a NaN result, > the result should be the same as one of the NaN arguments (after > possible type conversion), except perhaps for the sign." > > > "F.9.3.11 The logb functions > — logb(±0) returns −∞ and raises the ‘‘divide-by-zero’’ > floating-point exception. > — logb(±∞) returns ∞."
Perfect, I'm glad to hear that. Thanks! Marek