New sample() API should accept RandomGenerator as parameter
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Key: MATH-764
URL: https://issues.apache.org/jira/browse/MATH-764
Project: Commons Math
Issue Type: Improvement
Affects Versions: 3.0
Reporter: Alex Bertram
This may come to late as I know the 3.0 release is nearing completion, but I
had some concerns about the new sample() method on the math3 RealDistribution
interface.
Specifically, there doesn't seem to be a way to supply a random generator to
the sampler. Perhaps it would be better to have a factory method on the
RealDistribution interface that accepted a RandomGenerator and returns an
instance of some new interface, Sampler, which contains the sample() methods.
That is:
interface RealDistribution {
Sampler createSampler(RandomGenerator generator);
Sample createSampler(); // uses default RandomGenerator
}
interface Sampler {
double sample();
double[] sample(int sampleSize);
}
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