Thank You, Terry George
2017-01-12 14:50 GMT+01:00 Terry Reedy <tjre...@udel.edu>: > On 1/12/2017 8:09 AM, George Fischhof wrote: > > And if it is mentioned, I would like to ask why binary floating point is >> "better". It is faster, I agree, but why "better"? >> > > Binary numbers are more evenly spread out. Consider successive two diget > numbers .99, 1.0, 1.1. The difference betweem the first two is .01 and > that between the next pair is .1, 10 times as large. This remains true for > .999, 1.00, 1.01 or any other fixed number of digits. For binary floats, > the gap size only doubles. When I used slide rules, which have about 3 > digits of accuracy, some decades ago, this defect of decimal numbers was > readily apparent. > > -- > Terry Jan Reedy > > _______________________________________________ > Python-ideas mailing list > Python-ideas@python.org > https://mail.python.org/mailman/listinfo/python-ideas > Code of Conduct: http://python.org/psf/codeofconduct/ >
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