2008/8/3 CNiall [EMAIL PROTECTED]:
However, with some, but not all, decimals, they do not seem to 'equal
themselves'.
The golden rule is that working with decimals (in pretty much any
language) is like working with a pile of sand. Almost anything you do
leaves you with less sand and more dirt.
En Sun, 03 Aug 2008 19:57:10 -0300, Grant Edwards [EMAIL PROTECTED]
escribi�:
On 2008-08-03, Larry Bates [EMAIL PROTECTED] wrote:
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
On Aug 5, 3:26 pm, Gabriel Genellina [EMAIL PROTECTED] wrote:
En Sun, 03 Aug 2008 19:57:10 -0300, Grant Edwards [EMAIL PROTECTED]
escribi :
On 2008-08-03, Larry Bates [EMAIL PROTECTED] wrote:
What are they teaching in computer science classes these days?
When I was an undergrad the
En Tue, 05 Aug 2008 11:50:43 -0300, schinckel [EMAIL PROTECTED] escribió:
I had a class today which dealt with Decimal - IEE754 conversion,
and
whilst 0.1 was an example that was converted, and a representation was
generated, no mention was made of the precision issue.
I'm hoping that it
On 3 Aug, 15:02, CNiall [EMAIL PROTECTED] wrote:
However, with some, but not all, decimals, they do not seem to 'equal
themselves'.
Back in my days studying electrical engineering I was pointed to this
reference about floating point arithmetic -
http://citeseer.ist.psu.edu/goldberg91what.html
CNiall wrote:
I am very new to Python (I started learning it just yesterday), but I
have encountered a problem.
I want to make a simple script that calculates the n-th root of a given
number (e.g. 4th root of 625--obviously five, but it's just an example
:P), and because there is no nth-root
I am very new to Python (I started learning it just yesterday), but I
have encountered a problem.
I want to make a simple script that calculates the n-th root of a given
number (e.g. 4th root of 625--obviously five, but it's just an example
:P), and because there is no nth-root function in
CNiall schrieb:
I am very new to Python (I started learning it just yesterday), but I
have encountered a problem.
I want to make a simple script that calculates the n-th root of a given
number (e.g. 4th root of 625--obviously five, but it's just an example
:P), and because there is no
@python.org
Subject: Decimals not equalling themselves (e.g. 0.2 = 0.21)
I am very new to Python (I started learning it just yesterday), but I
have encountered a problem.
I want to make a simple script that calculates the n-th root of a given
number (e.g. 4th root of 625--obviously five
Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
]
On Behalf Of CNiall
Sent: Sunday, August 03, 2008 10:03 AM
To: python-list@python.org
Subject: Decimals not equalling themselves (e.g. 0.2 = 0.21)
I am very new to Python (I started learning it just yesterday), but I
have
CNiall schrieb:
I am very new to Python (I started learning it just yesterday), but I
have encountered a problem.
I want to make a simple script that calculates the n-th root of a given
number (e.g. 4th root of 625--obviously five, but it's just an example
:P), and because there is no
On Sun, 03 Aug 2008 16:50:22 +0200, Diez B. Roggisch [EMAIL PROTECTED] wrote:
CNiall schrieb:
...
0.2
0.20001
...
Welcome to the wonderful world of IEEE754. Just because other languages
shield you from the gory details they still are there. Python chose to
not do that,
Jorgen Grahn schrieb:
On Sun, 03 Aug 2008 16:50:22 +0200, Diez B. Roggisch [EMAIL PROTECTED] wrote:
CNiall schrieb:
...
0.2
0.20001
...
Welcome to the wonderful world of IEEE754. Just because other languages
shield you from the gory details they still are there. Python chose
On Aug 3, 9:02 am, CNiall [EMAIL PROTECTED] wrote:
I am very new to Python (I started learning it just yesterday), but I
have encountered a problem.
I want to make a simple script that calculates the n-th root of a given
number (e.g. 4th root of 625--obviously five, but it's just an example
CNiall wrote:
I am very new to Python (I started learning it just yesterday), but I
have encountered a problem.
I want to make a simple script that calculates the n-th root of a given
number (e.g. 4th root of 625--obviously five, but it's just an example
:P), and because there is no nth-root
On Aug 3, 3:02 pm, CNiall [EMAIL PROTECTED] wrote:
I am very new to Python (I started learning it just yesterday), but I
have encountered a problem.
I want to make a simple script that calculates the n-th root of a given
number (e.g. 4th root of 625--obviously five, but it's just an example
On 2008-08-03, Larry Bates [EMAIL PROTECTED] 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 0.20001?
This discrepancy is very minor, but it makes the whole n-th root
On Sun, 03 Aug 2008 17:30:29 -0500, Larry Bates wrote:
As you can see, the last two decimals are very slightly inaccurate.
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 0.20001?
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