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import numpy as np
class SampleBallPositionGenerator(object):
"""
Generates samples in a very thight n-dimensional ball
def setup(self, sampler):
setup the generator
self.sampler = sampler
def generate(self):
generates the positions
return [self.sampler.paramValues+np.random.normal(size=self.sampler.paramCount)*self.sampler.paramWidths for i in range(self.sampler.nwalkers)]
def __str__(self, *args, **kwargs):
return "SampleBallPositionGenerator"
