Raymond Hettinger <rhettin...@users.sourceforge.net> added the comment:
FYI, there is already a lossless implementation in the docs: def float_to_decimal(f): "Convert a floating point number to a Decimal with no loss of information" n, d = f.as_integer_ratio() with localcontext() as ctx: ctx.traps[Inexact] = True while True: try: return Decimal(n) / Decimal(d) except Inexact: ctx.prec += 1 _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue4796> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com