Decimals not equalling themselves (e.g. 0.2 = 0.2000000001)
grante at visi.com
Mon Aug 4 00:57:10 CEST 2008
On 2008-08-03, Larry Bates <larry.bates at websafe.com`> wrote:
>> However, it appears that when n in 1/n is a power of two, the decimal
>> does not get 'thrown off'. How might I make Python recognise 0.2 as 0.2
>> and not 0.20000000000000001?
>> This discrepancy is very minor, but it makes the whole n-th root
>> calculator inaccurate. :\
> What are they teaching in computer science classes these days?
When I was an undergrad the only courses that dealt with FP
issues were classes on numerical analysis. I don't even know
if numerical analysis classes were required for CS majors. I
think most of us in that class were engineering majors.
Grant Edwards grante Yow! I wish I was a
at sex-starved manicurist
visi.com found dead in the Bronx!!
More information about the Python-list