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README.markdown

MTRandom

An Objective-C wrapper for Mersenne Twister, a pseudorandom number generator developed in 1997 by Makoto Matsumoto and Takuji Nishimura.

This Objective-C wrapper was written by Adam Preble in 2012.

Usage

This repo contains MTRandom, an Objective-C class encapsulating the Mersenne Twister generator.

MTRandom *random = [[MTRandom alloc] init];       // Seed the generator with the current time.
uint32_t q = [random randomUInt32];               // [0, 0xFFFFFFFF]
uint32_t r = [random randomUInt32From:5 to:10];   // [5, 10]
double   s = [random randomDouble];               // [0.0, 1.0]
double   t = [random randomDouble0To1Exclusive];  // [0.0, 1.0)
double   u = [random randomDoubleFrom:0 to:M_PI]; // [0, 3.14159...]

MTRandom conforms to NSCoding and NSCopying so you can archive it and copy it.

The repo also contains an Xcode project with a single target, MTRandomTests, which is a set of basic unit tests. You can run those tests by opening the Product menu and selecting Test.

License

The wrapper itself is BSD licensed, as is the version of Mersenne Twister itself that it is based on. If you use MTRandom, send me a note.

About

Objective-C wrapper for Mersenne Twister, a (pseudo) random number generator.

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