[Bengt Richter] > I wonder if frexp is always available, Yes, `frexp` is a standard C89 libm function. Python's `math` doesn't contain any platform-specific functions.
... > The math module could also expose an efficient multiply by a power > of two using FSCALE if the pentium FPU is there. `ldexp` is also a standard C89 libm function, so Python also exposes that. Whether it uses FSCALE is up to the platform C libm. -- http://mail.python.org/mailman/listinfo/python-list