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How is Decimal data type stored in 32-bit memory?

How is the Decimal data type stored in 32-bit memory?

(e.g. i = 100M )
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deleyd
Asked:
deleyd
3 Solutions
 
BurniePCommented:
Hi,

Why are you saying 32 bit?

If you check http://msdn.microsoft.com/en-us/library/364x0z75(v=VS.100).aspx you will see that it is a 128 bit data type.  Even checking other versions of VS by using the link you can see that it was 128 bit in every release of Visual Studio.

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ViceroyFizzlebottomCommented:
If I'm not mistaken, decimals converted and stored using the IEEE 754 standard. I'm not sure if this will help, but the technical specs can be found here:

http://grouper.ieee.org/groups/754/
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mwochnickCommented:
Below are links with some explanation of the differences in between float, double and Decimal.
The main thing is that float (32bit) and double (64 bit) can be handled by the hardware Decimal - 128bit has to be handled by software in the case of C# by the CLR.  How Decimal works in C# is explained in the first article.  As to how exactly this is done by the CLR on the 32 bit hardware, i was unable to find anything.  

http://gregs-blog.com/2007/12/10/dot-net-decimal-type-vs-float-type/
http://stackoverflow.com/questions/618535/what-is-the-difference-between-decimal-float-and-double-in-c
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deleydAuthor Commented:
Excellent. Thank you.
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