On 1/17/06, Bob Ippolito <[EMAIL PROTECTED]> wrote: > > On Jan 17, 2006, at 3:38 PM, Adam Olsen wrote: > > > I dream of a day when str(3.25, base=2) == '11.01'. That is the > > number a float really represents. It would be so much easier to > > understand why floats behave the way they do if it were possible to > > print them in binary. > > Actually if you wanted something that closely represents what a > floating point number is then you would want to see this:: > > >>> str(3.25, base=2) > '1.101e1' > >>> str(0.25, base=2) > '1.0e-10' > > Printing the bits without an exponent is nearly as misleading as > printing them in decimal.
I disagree. The exponent is involved in rounding to fit in compact storage but once that is complete the value can be represented exactly without it. -- Adam Olsen, aka Rhamphoryncus _______________________________________________ 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
