[Antoine] > - Issue #5593: code like 1e16+2.9999 is optimized away and its result stored > as > a constant (again), but the result can vary slightly depending on the internal > FPU precision. [Guido] > I would just not bother constant folding involving FP, or only if the > values involved have an exact representation in IEEE binary FP format.
+1 for removing constant folding for floats (besides conversion of -<literal>). There are just too many things to worry about: FPU rounding mode and precision, floating-point signals and flags, effect of compiler flags, and the potential benefit seems small. Mark _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
