i need a random generator. it should be able to generate serial #s along side.
any website in mind?
please help.:yawn:

8 Years
Discussion Span
Last Post by StuXYZ

Please don't use rand() for anything but test applications.
This is especially true if you have strong consequences for short sequences of very high/very low random numbers. Additionally, if you need randomness immediately, for the first few numbers, then don't use rand(). [Especially since most people random number seeds are way to short which accentuates this problem].

If you need a random number generator try Merseen Twister.
http://www-personal.umich.edu/~wagnerr/MersenneTwister.html This is a c++ versions.

The advantages are that is passes TestU01-Crush and that is not something many random number generators do. Additionally it is only about a little slower than standard rand().

Two things to consider, there is a 32bit and a 64 bit version. (you can use the 32 bit on a 64 bit and visa-versa but you loose speed or stride).

If you need a faster random number generator, there is a fast SMTF algorithm but it is 128 bit algorithm. That is fine for modern chips (>about 2005) BUT not everything. i.e. So be careful when sending to a hetrogenious cluster.

This topic has been dead for over six months. Start a new discussion instead.
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