On Mon, Jul 6, 2009 at 10:04 PM, WT wrote:
> On Jul 6, 2009, at 10:52 PM, Fritz Anderson wrote:
>
>> NSDecimalNumber just keeps numerical values, not their history. If two
>> numbers, _as numbers_, are equal, you should expect the normalized internal
>> representations to be identical. 22.00 == 22
On Mon, Jul 6, 2009 at 7:04 PM, WT wrote:
> NSDecimalNumbers would be useless, if that were true. The whole point of
> having NSDecimalNumbers is to be able to preserve precision.
Seems like you're confusing precision with sigfigs. NSDecimalNumbers
exist because IEEE floating point doesn't repres
On Jul 6, 2009, at 10:35 PM, Eric Hermanson wrote:
Because of the functionality I am trying to achieve, I need to know
the difference between 22 and 22.00, but I can't figure out how to
get NSDecimalNumber to retain the trailing zeros. Does anyone have
advice?
It looks like you need to e
On Mon, Jul 6, 2009 at 8:14 PM, Eric Hermanson wrote:
> First of all, this has absolutely nothing to do with NSNumberFormatter.
>
> Second of all, the NSDecimalNumber is losing information it had when I
> constructed it, which I do not want it to lose. Instead of storing an
> exponent of -2 and a
Eric Hermanson wrote:
Second of all, the NSDecimalNumber is losing information it had
when I constructed it, which I do not want it to lose. Instead of
storing an exponent of -2 and a mantissa of 2200, it instead
chooses to normalize the values to 0 and 22, respectively. While
this does p
First of all, this has absolutely nothing to do with NSNumberFormatter.
Second of all, the NSDecimalNumber is losing information it had when I
constructed it, which I do not want it to lose. Instead of storing an
exponent of -2 and a mantissa of 2200, it instead chooses to normalize
the va
Eric,
I agree with Keary that NSNumberFormatter holds the solution to your problem.
Here are links to pertinent documentation.
HTH,
Joel
http://developer.apple.com/DOCUMENTATION/Cocoa/Reference/Foundation/Classes/NSFormatter_Class/Reference/Reference.html
http://developer.apple.com/DOCUMENTA
On Jul 6, 2009, at 1:35 PM, Eric Hermanson wrote:
Because of the functionality I am trying to achieve, I need to know
the difference between 22 and 22.00,
Perhaps -[NSDecimalNumberBehaviors scale] will help?
-==-
Jack Repenning
jackrepenn...@tigris.org
Project Owner
SCPlugin
http://scplugin
On Jul 6, 2009, at 2:35 PM, Eric Hermanson wrote:
NSDecimalNumber *number = [NSDecimalNumber
decimalNumberWithMantissa:2200LL exponent:-2 isNegative:NO];
This results in a decimal number that is represented both
internally, and as a string, as
22
instead of the desired
On 6 Jul 2009, at 3:35 PM, Eric Hermanson wrote:
Example:
NSDecimalNumber *number = [NSDecimalNumber
decimalNumberWithMantissa:2200LL exponent:-2 isNegative:NO];
This results in a decimal number that is represented both
internally, and as a string, as
22
instead of the desired
Example:
NSDecimalNumber *number = [NSDecimalNumber decimalNumberWithMantissa:
2200LL exponent:-2 isNegative:NO];
This results in a decimal number that is represented both internally,
and as a string, as
22
instead of the desired
22.00
Because of the functionali
11 matches
Mail list logo
