Ian Lance Taylor wrote: > It's just that nobody got around to it. As it happens, inlining of > frexp is a new optimization in gcc 4.3. Great! I apologise about saying "misoptimization" in my previous email - I meant to say "missing optimization" but I haven't had enough coffee.. Thanks Jeremy -- Jeremy Sanders <jss@xxxxxxxxxxxxx> http://www-xray.ast.cam.ac.uk/~jss/ X-Ray Group, Institute of Astronomy, University of Cambridge, UK.