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Until BCL finally ships System.Numeric.BigInt, what do you guys use for arbitrary precision integers?
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BigInt is not the same as INT64 no matter how much they look alike. Part of the reason is that SQL will frequently convert Int/BigInt to Numeric as part of the normal processing. So when it goes to OLE or . NET the required conversion is NUMERIC to INT.
The BigInteger type is an immutable type that represents an arbitrarily large integer whose value in theory has no upper or lower bounds. The members of the BigInteger type closely parallel those of other integral types (the Byte, Int16, Int32, Int64, SByte, UInt16, UInt32, and UInt64 types).
The equivalent of Java long in the context of MySQL variables is BigInt. In Java, the long datatype takes 8 bytes while BigInt also takes the same number of bytes.
A big integer is a binary integer with a precision of 63 bits. The range of big integers is -9223372036854775808 to +9223372036854775807.
You could try mine on codeplex: BigInteger
Or here's another: codeproject
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F# has Microsoft.FSharp.Math.BigInt and Microsoft.FSharp.Math.BigNum.
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