Shimpei Yamashita said: > H.J. Lu writes: > >> On RedHat Linux 5.2 (using glibc 2.0.7) for x86, asinh() returns NaN > >> for negative arguments if optimizations are on. The error does not > >> occur if optimizations are turned off. I'm not sure where the problem > >> is--egcs or glibc. Using libc5 seems to solve the problem, but so does > >> dropping back to gcc 2.7.2. The case given works reasonably with egcs-19981213, glibc-2.0.108 with -O2 -fomit-frame-pointer and without optimization (non-inlined asinh()). -- Horst von Brand vonbrand@sleipnir.valparaiso.cl Casilla 9G, Viña del Mar, Chile +56 32 672616