.NET Framework Library for arbitrary digit precisi

问题:

I'm reviving this question, and making it more specific: Is there a .NET framework library that supports numbers with arbitrary digits of precision?

回答1:

There are a few options here.

A good option is W3b.Sine, which is native C#/.NET, and supports arbitrary precision floating point values.

If you are only dealing with integer values, IntX provides support for arbitrary precision integer values. A potentially more mature option would be C# BigInt, but again, this will not support floating point operations.

回答2:

Can you wait for .NET 4.0? They're bringing BigInteger directly into the Framework.

On the other hand, if you can't wait, then the J# runtime includes built-in support for java.math.BigInteger and BigDecimal. This is redistributable just like the rest of the .NET Framework.

回答3:

You could try the old method of mantissa. Basically you could have an 64 bit integer for storing the number and then a 64 bit integer for storing the exponent (which could be negative). You could build your own object type and overload the arithmetic operators, so it will be treated as a single number. It will require some work, but I think it will be your best option.

回答4:

GnuMpDotNet: http://www.emilstefanov.net/Projects/GnuMpDotNet/

If you need pure .NET consider looking into this: http://www.codeplex.com/IntX/

回答5:

Perhaps surprisingly, the Bailey-Borwein-Plouffe formula gives an incremental procedure for computing the next binary or hexadecimal digit of pi without needing to store all the previous digits.

回答6:

If you want a really fast library then try:

http://www.emilstefanov.net/Projects/GnuMpDotNet/

回答7:

You can use decimal type which gives you 28-29 significant digits

回答8:

Check this link http://jsfromhell.com/classes/bignumber its a javascript code but you can easily convert it to your own in any language or in C#.

回答9:

Here is a good article on how to represent infinite digits.

http://dobbscodetalk.com/index.php?option=com_myblog&show=Basic-Arithmetic-with-Infinite-Integers.html&Itemid=29

good luck